The high-rise building is obviously made of concrete, so why does the whole building burn after a fire? concrete color additive

Initially, concrete absorbs and moves heat a lot more quickly than dissipates heat easily. When a fire happens, it has the effect of supporting burning, which amounts including gas to the fire. The even more it sheds, the larger it gets. Concrete might seem beautiful and solid, however actually, maybe far better than adobe residences. There is no thermal insulation and warm dissipation impact like adobe blocks.

(burning concrete building)

On the other hand, I simply damaged the surface area. If the steel-concrete structure of a high-rise building is white, there will certainly not be a great deal of smoke and fire if it sheds. It is mainly made of interior design products, mainly natural products, oil, or plastic materials., once stired up, the fire will come to be intense and produce a huge amount of black smoke.

Second, fires in skyscrapers can melt concrete and steel bars. Oxygen sustains burning. Additionally, the temperature generated by the complementary combustion of various other combustible items in the structure is very high. Besides, it is not a fire in a rural home. In the 911 case, one building was damaged by a plane. After the crash, it did not collapse at the time. Later on, the fire triggered by the impact melted and thawed the main body of reinforced concrete and finally fell down.

(burning concrete building)

On the various other hand, indoor decor materials, home devices and furniture are mostly flammable. If one floor burns for a long period of time, the temperature will certainly permeate the floor and ignite the upper and lower floors. The flooring is high and gusty, with excellent ventilation and high oxygen web content. The high-temperature warm flow will develop a smoke. Power, the fire has to be very intense.

Third, the foam plastic used for outside wall insulation is the wrongdoer. Foam plastics are typically made use of in Europe and the United States, so a group of experts introduced this modern technology. Yet they undoubtedly ought to have taken into account that many international structures are 2- or three-story property structures, and fire defense needs are reduced. Once a fire bursts out in the structure, it will cause significant effects. 2- and three-story buildings are not mainstream in China, and even in rural areas, there are extremely few of them. To introduce modern technology, we should take into consideration the existing situation of domestic construction. Or else, we will certainly be discovering in Handan.

(burning concrete building)

4th, the focus is out area furniture and wood products yet on the reality that paint is used in all building decors, such as wall paint. Even high-end wall treatments are textiles. Paint or fabrics are inherently flammable items. Additionally, lots of other decor products have various colors. The colors are additionally made from numerous types of paint. Once they run into heats, they will certainly burn also if there is no open flame.

On the various other hand, I have actually seen many individuals saying that the high quality of thermal insulation products is unsatisfactory. As a matter of fact, it is not just moisture-retaining products. The nation additionally has corresponding flame retardant standards for timber made use of for interior decoration and furnishings of skyscrapers, yet furniture factories and structure materials manufacturing facilities will certainly prevent this. Normal customers do not recognize the issue, so basically, the wood products on the marketplace are non-fire retardant products, whether they are used in high-rise buildings or otherwise.

(burning concrete building)

Fifth, pointers from firemans to stop troubles before they happen: Each flooring needs to be equipped with a fire hydrant. If the area is huge, you can also gear up a number of. If a fire takes place, rapidly control the fire to avoid the fire from spreading to various other floors. If it is a household structure, each home needs to be furnished with a little fire hydrant. As soon as a fire takes place in your home, the fire can be rapidly controlled within your very own home. Furthermore, furnishings, drape design, and so on, should be made of non-combustible materials. The level of fire defense automation in high-rise buildings is relatively high. The person in charge of fire security in high-rise buildings remains in place and accountable, and examinations and drills remain in location. Terminates can be avoided by regulating combustibles, combustion-supporting materials and fire sources.

The manufacturing process of concrete is a vital element influencing its fire resistance. Among them, the control of the water-cement ratio is vital. Too expensive or as well low a water-cement ratio might have damaging results on the fire resistance of concrete. In addition, the top quality and form of the rocks in concrete will additionally have an influence on its fire resistance. Using difficult and regular-shaped rocks can boost the fire resistance of concrete.

Relating to the detection of fire resistance, there are several commonly made use of techniques, such as high-temperature test method, fire examination technique, thermogravimetric analysis technique, and infrared spectroscopy approach. These methods review the fire resistance of concrete by simulating high-temperature atmospheres or directly observing the performance adjustments of concrete at heats.

Concrete Additive Supplier

Cabr-concrete is a supplier of foaming agents and other concrete additives, which is concrete and relative products with over 12 years experience in nano-building energy conservation and nanotechnology development. It accepts payment via Credit Card, T/T, West Union and Paypal. Trunnano will ship the goods to customers overseas through FedEx, DHL, by air, or by sea. If you are looking for high quality raw materials of concrete color additive, please feel free to contact us and send an inquiry. (

The lifespan of cement is only 50 years. Will the house collapse when the time limit is up? paving block material

What about the Three Gorges Dam?

From old times to the here and now, concrete has played a crucial function in the human building of houses and significant jobs. This artificial mixture made of all-natural materials such as sedimentary rock and clay is commonly made use of because of its exceptional mechanical residential or commercial properties. Nevertheless, as time passed, a troubling report started to flow among the people. The service life of cement is just 50 years, by which time the structure will certainly be crumbling and even collapse. The case stimulated public panic and increased uncertainties concerning the future of world-class tasks such as the Three Gorges Dam. The Three Gorges Dam, one of the biggest hydropower terminals worldwide, additionally utilizes concrete for irrigation. It was constructed utilizing strict engineering standards and progressed modern technology.

Concrete's lifespan is just 50 years. Will your home be in threat by then? What about the 3 Gorges Dam built with cement?

(concrete construction)

1. The key of concrete toughness

Everyone have to have listened to the stating, "Concrete has a life-span of half a century". Nonetheless, this statement is not totally precise, and the life span of cement is not identified below. Real lifespan of a structure is likewise influenced by lots of factors. The supposed 50-year life of concrete originates from the fact that the chemical bonding force formed during the solidification process of concrete is time-limited.

When concrete and concrete are combined, the calcium and silicic acid molecules in the cement dissolve in the water, creating a fibrous calcium silicate crystal structure. This framework remains to link to develop chemical bonds, securing wetness and causing the cement to gradually establish and solidify. At some point, its strength will even exceed that of some metal materials.

But this strengthening process is not timeless. Usually, after 50 years approximately, these chemical bonds will progressively age and shed their glue force, leading to a reduction in concrete strength. But that doesn't indicate that structures will collapse promptly in 50 years. Actually, the major variables that establish a structure's service life hinge on architectural layout, construction high quality, material selection, and post-maintenance.

As an example, the well-known Sydney Music hall was integrated in the 1960s. However, because of proper maintenance and excellent style and building and construction, it is still standing today. On the various other hand, if the design is sensible, the building and construction is shallow, and the management is smooth, it will be hard for the building to be utilized for a long period of time, also if the chemical bonding pressure is still there. It can be seen that cement stamina is only one-factor influencing life and is by no means crucial.

(concrete construction)

The present design life span of city housing in China is generally half a century. However this is not figured out by concrete life. Rather, it is based on different factors to consider such as disaster prevention and reduction, resource recycling, etc. After half a century does not imply your house needs to be demolished. As long as it goes through specialist examination, reinforcement and repair work to make sure that it fulfills the pertinent load-bearing and seismic requirements, it can remain to be made use of. Even the brand-new life span will certainly surpass the original design life.

Actually, the life span of contemporary exceptional structures frequently exceeds half a century. As an example, the Empire State Structure in New york city, constructed in the 1930s, was very carefully made, utilizing high-grade products and scientifically constructed. The Empire State Building is still standing and has actually remained in use for more than 80 years. The vital elements that determine the life of a structure include architectural style, construction technology, constructing product choice, everyday maintenance, and so on.

Excellent developers will totally think about and forecast the service life of the structure at the start of the plan and use top notch products. Making use of sophisticated anti-seismic, anti-seepage, energy-saving and various other innovations can expand its service life to 100 years or perhaps longer. Although cement has a certain chemical bonding time frame, it does not mean that the structure is "junked." As long as it is meticulously made and built from the start of building and interest is paid to subsequent repair and maintenance. A lot of contemporary structures can remain to be used securely for several years after 50 years and remain to serve the city.

(concrete construction)

2. Construction and unique factors to consider of the 3 Gorges Dam of the Century Task

For large water conservancy tasks, the conversation regarding the life span of concrete is more worthy of consideration. Take the 3 Gorges Dam, the world's most magnificent hydropower station. It lugs several jobs such as flood control, power generation, and delivery and is a vital nationwide critical project.

Chinese designers put in countless efforts during the style and building of the Three Gorges Dam. Allow the dam have an ultra-long style life of more than 100 years. As the globe's most ambitious hydropower job, the construction process of the 3 Gorges Dam has drawn in much interest and has actually collected the initiatives and knowledge of countless Chinese individuals.

From the preliminary idea put forward by Sunlight Yat-sen in the 1920s to the energetic promo by the older generation of revolutionaries, such as Chairman Mao and Premier Zhou, after the starting of New China. After decades of duplicated presentations and difficult preparations, the 3 Gorges Job lastly started construction in the 1990s. As a large water conservancy project with several functions. The Three Gorges Dam shoulders important responsibilities such as flood control, power generation, and delivery and is known as the century-old dream of the Chinese country. Throughout the layout and building process, Chinese engineers complied with the plan of "energetic prep work and full reliability" and spent countless initiatives.

(concrete construction)

On Might 1, 1998, the temporary ship lock of the Three Gorges Task, the first comprehensive job constructed in the Yangtze River Three Gorges Project, was formally available to navigating, marking the beginning of this world design giant. In the following years, the Three Gorges Task conquered world issues one after another and continued to set construction documents. In 1999, the Three Gorges Project set a globe document for monthly and annual concrete putting quantities. In 2003, the 3rd stage of the RCC cofferdam project once again damaged five globe documents.

The year 2003 was of great value to the 3 Gorges Project. In this year, the task achieved the set goals of the second phase of power generation, navigating, and water storage space. This year, the 3 Gorges Dam together experienced vital links such as the 2nd closure of the Yangtze River, the approval of the second stage of the dam, and the initial water impoundment. By the end of that year, the 3 Gorges Job had finished the majority of the earthwork excavation, backfilling, and concrete putting, and the whole left bank dam got to a dam crest elevation of 185 meters. At the same time, the 3 Gorges resettlement work is progressing gradually, and the tank area has actually tackled an entirely new look.

In 2006, the final concrete of the appropriate bank dam was gathered place, and the entire Three Gorges Dam was covered, ten months ahead of schedule. In 2008, the 3 Gorges started its very first speculative water storage. In August 2009, the last acceptance check of the third stage task was effectively passed, noting that the general task was basically finished according to the preliminary design.

(concrete construction)

The excellent 3 Gorges Project not just set several world documents in design modern technology however likewise developed a brand-new engineering construction management system - the "Three Gorges Version." Properly controlled the project quality, progression and cost, substantially enhancing the monitoring degree. Consequently, the Three Gorges Dam is not developed solely with cement however with concrete and steel as the major products. Through scientific and extensive computations, progressed construction technology and material choice, and rigorous quality control, the 3 Gorges Dam has actually been made sure to have an ultra-long style life of 100 years.

At the very same time, the 3 Gorges Dam is likewise outfitted with a lot of advanced monitoring equipment to perform 24-hour dynamic monitoring of the dam body. She has formulated a full operation and maintenance strategy. It can be claimed that the Three Gorges Dam has done sufficient research throughout the building stage to get rid of various prospective threats as long as feasible and lay a solid foundation for its future secure operation. Nonetheless, we can not disregard some unclear dangers hidden in nature, such as earthquakes, floodings, and other tragic weather.

For that reason, throughout the subsequent operation duration of the 3 Gorges Dam, a specialist team is still needed to continually keep track of different technological signs and formulate emergency situation strategies in a prompt way to stop issues before they happen. Its life expectancy and safety are fully guaranteed as long as we maintain admiration of nature and persist in keeping it. This water conservancy giant will definitely have the ability to offer future generations for a hundred years or even longer.

3. Ecological factors that can not be overlooked are normally the greatest examination

You have to understand that the 3 Gorges Dam is not merely built of concrete. Its primary product is enhanced concrete. Through clinical and extensive estimations, advanced building and construction innovation and maximized product ratio. From the beginning of its layout, the 3 Gorges Dam had a higher security get aspect than comparable jobs.

At the exact same time, the Three Gorges is likewise furnished with a large number of advanced monitoring equipment. Execute 24-hour vibrant surveillance of the dam body. A complete procedure and upkeep strategy has been created to shield its long-lasting risk-free procedure from several facets. Although the Three Gorges Dam was thoroughly created, we must recognize the power of nature.

(concrete construction)

Although reinforced concrete is hard, a certain level of chemical weathering and physical erosion will still take place if it is soaked in water for a long time. Not to mention all-natural catastrophes such as earthquakes and floods, which might bring uncertain influences to this massive project. Consequently, for a large-scale project like the 3 Gorges, it is important to execute different analyses and preventions throughout the building and construction phase.

Yet in the subsequent operation and upkeep process. It is even more needed to have a professional team to constantly keep an eye on numerous safety and security indications and create emergency situation plans in a timely way to stop problems prior to they occur. At the same time, we need to also attach wonderful value to the possible threats that climate adjustment and environmental troubles might bring and properly reinforce the security of this century job.

Besides, the Three Gorges Dam is not just pertaining to the nationwide economy and people's resources such as flooding control, power generation, and shipping, yet it is additionally an essential turning point in the wonderful rejuvenation of the Chinese nation. We must not enable any blunders to damage this dam, which has the effort of many home builders. Just by paying complete attention to numerous feasible risk aspects and taking timely and reliable reaction measures. Only then can the 3 Gorges Dam genuinely withstand the lasting examination of nature and remain to offer the country and individuals.


Cabr-concrete is a supplier of foaming agents and other concrete additives, which is concrete and relative products with over 12 years experience in nano-building energy conservation and nanotechnology development. It accepts payment via Credit Card, T/T, West Union and Paypal. Trunnano will ship the goods to customers overseas through FedEx, DHL, by air, or by sea. If you are looking for high quality paving block material, please feel free to contact us and send an inquiry. (

Application of foam concrete and animal protein foaming agent ccl bricks

Applications of foam concrete

As a result of its great attributes, foam concrete is widely made use of in energy-saving wall products and has actually also been used in other facets. Presently, the main applications of foam concrete in my nation are cast-in-place foam concrete insulation layers for roofing systems, foam concrete face obstructs, foam concrete, light-weight wall panels, and foam concrete settlement structures. Nevertheless, making complete use the good features of foam concrete can continually expand its application locations in construction projects, accelerate job development, and improve task quality, as complies with:

1. It will certainly change foam plastic and end up being the largest thermal insulation product in building insulation.

Foam concrete is economical and has conveniently available basic materials. It can be quickly cast in position and made right into numerous products. At the exact same time, it has fire resistance, sound insulation, earthquake resistance, and weather condition resistance. It is the very best option to change foam plastics. Suitable materials.

2. Foam concrete cast-in-place wall

The main part of building insulation is the exterior wall surface, and the main part of building noise insulation is the indoor wall surface. Foam concrete can be used for cast-in-place exterior wall surfaces to attain self-insulation and self-absorption. It has advantages in both interior and exterior wall applications.

(foaming concrete)

3. Foam concrete outside wall insulation board

Foam concrete outside wall insulation board refers to an insulation board chosen the outside wall surface by pasting or dry-hanging innovation. Because this sort of insulation board has been effectively utilized in Sichuan, Gansu, Shanghai, Zhejiang, and other places, it is ready to change the foamed polystyrene board for external wall insulation slim plastering system or outside wall inner insulation slim smudging system.

4. Foam concrete exterior wall self-insulating wall panels

This kind of wall surface panel consists of foam concrete composite wall panels with a dealing with layer or protective layer on one side and foam concrete sandwich wall panels with an encountering layer or protective layer on both sides. This sort of wall panel can recognize self-insulation of the outside wall. It does not call for extra insulation treatment after setup and has excellent fire security, durability, and sound insulation properties.

5. Foam concrete incorporated real estate

Integrated housing is a global development trend, and foam concrete self-insulating integrated housing is a growth hotspot. Nowadays, several residential business are concentrating on establishing this kind of self-insulated prefabricated residences.


6. Foam concrete obstructs, ceramsite blocks, and autoclaved blocks

Foam concrete blocks have actually always been the first crucial product that all parties in China like. Today, domestic ventures have transformed to the r & d of ceramsite foam cinder block and autoclaved foam concrete obstructs. These two sorts of foundation are the direction of growth. Many international companies use autoclaving. The previous Soviet Union used the natural curing procedure in the 1930s. Because of reduced stamina, inadequate frost resistance, and huge drying out shrinkage, it altered to the autoclaving procedure in the 1940s. Ceramsite foam concrete blocks are a technology in our nation with sophisticated technology and ought to be intensely created.

There are more than 20 functions of foam concrete that have been found thus far, and a lot of its applications are still in civil applications. Among them, one of the most appealing one in the future will certainly be its use in building sound absorption and insulation. The writer forecasts that it will become the brand-new sound-absorbing material with the most growth capacity. Furthermore, it has broad application prospects in the areas of fire-resistant insulation, filtering, impermeability and waterproofing, and lightweight attractive materials. As the several functions of foam concrete are found, its application as a practical material will be extremely attractive.

The application of pet healthy protein foaming agents in foam concrete

In the prep work process of foam concrete, an animal healthy protein lathering representative is blended with water and cationic surfactant and frothed through a lathering agent maker or high-speed mixer. These foams are after that injected right into a concrete slurry and stirred to prepare a foamed cement slurry. The advantage of this prep work technique is that the cast-in-place concrete it creates is not only light-weight, high-strength, and fire-resistant but additionally does not need autoclaved treating and can be developed by casting in place, which has significant energy-saving impacts.

The application of animal protein frothing representatives plays a vital duty in improving the efficiency of foam concrete. First, it assists boost the quantity of concrete and decrease its density, consequently achieving a light-weight result. Second of all, using lathering agents can enhance the thermal insulation performance of concrete and enhance the power performance of buildings. In addition, animal healthy protein lathering agents can also enhance the strength and durability of concrete and prolong the life span of structures.

(animal protein foaming agent)

Nonetheless, the application of animal healthy protein frothing representatives also requires interest to some concerns. As an example, various sorts of pet protein lathering agents might have various results on the efficiency of concrete, so it is essential to select the appropriate lathering agent according to the details application circumstance. Additionally, the amount of lathering agent likewise needs to be strictly controlled. Excessive or insufficient may influence the quality and performance of the concrete.


TRUNNANO is a vendor of animal prorein frothing agent with over 12 years experience in nano-building energy preservation and nanotechnology advancement. It approves settlement via Credit Card, T/T, West Union and Paypal. Trunnano will certainly ship the goods to clients overseas with FedEx, DHL, by air, or by sea. If you are searching for high-quality spherical silica powder, please do not hesitate to contact us and send out an inquiry.



TRUNNANO is a supplier of ccl bricks with over 12 years experience in nano-building energy conservation and nanotechnology development. It accepts payment via Credit Card, T/T, West Union and Paypal. Trunnano will ship the goods to customers overseas through FedEx, DHL, by air, or by sea. If you are looking for high-quality spherical silica powder, please feel free to contact us and send an inquiry.

The advent of interstellar concrete makes living on Mars more realistic

Recently, a new material called "StarCrete" was launched at the University of Manchester

It's so versatile that it could even build houses on Mars. For humans, this scientific research result is of great significance. So far, humans have not been able to build infrastructure in space. The high cost and material selection issues have troubled the scientific research team for a long time. However, "Interstellar Concrete" offers a new solution. Considering that its products are primarily celestial spaces dust, potato starch and salts, and its stamina is twice that of regular concrete, the product is suitable for construction work in the harsh environment of celestial spaces.

Concrete early strength agent 

Average potato starch serves as a binder when blended with simulated Martian dust, producing a concrete-like product. After inspection, Star Concrete has a compressive strength of 72 megapascals (MPa), more than twice the 32 MPa of regular concrete. Star-shaped concrete made from moon dust was even stronger, going beyond 91 MPa. Twenty-five kilos of dried potatoes include adequate starch to create almost half a lot of "interstellar concrete," the matching of 213 bricks of product. For reference, it takes about 7,500 bricks to build a three-bedroom house. In addition, they also discovered a common salt - magnesium chloride. This can significantly increase the strength of "interstellar concrete." Magnesium chloride can be obtained from the surface of Mars or the tears of astronauts.

Now, this scientific research team is moving "interstellar concrete" into application scenarios. If used on Earth, "interstellar concrete" could provide a more environmentally friendly material. The manufacturing process of cement and concrete requires extremely high firing temperatures and energy, but "interstellar concrete" can be made in an ordinary oven or microwave, significantly reducing energy costs. The successful development of “Interstellar Concrete” has provided a good experimental case for the same research project. This makes people look forward to whether more similar" materials will appear" in the future.

Concrete early strength agent 

The strength of concrete on Earth

The stamina quality of concrete means the compressive toughness of concrete, and the cubic compressive stamina represents its typical worth. The toughness grade of concrete should be expressed by the symbol C and the basic worth of cubic compressive stamina (in N/mm ² or MPa). The toughness of concrete is divided right into C7.5, C10, C15, C20, C25, C30, C35, C40, C45, C50, C55, and so forth. Amongst them, C55 and above are called high-strength concrete.

The toughness of concrete depends on a selection of factors, including cement quality and water-cement ratio, aggregates, healing temperature level and moisture, etc. In order to boost the strength of concrete, additives such as early-strength cement and concrete reinforcing representatives can be made use of.

Concrete early strength agent 


TRUNNANO( is a supplier of early strength agent and other concrete additives, which is concrete and relative products with over 12 years experience in nano-building energy conservation and nanotechnology development. It accepts payment via Credit Card, T/T, West Union and Paypal. Trunnano will ship the goods to customers overseas through FedEx, DHL, by air, or by sea. If you are looking for high quality early strength agent, please feel free to contact us and send an inquiry. (


Properties and Application of Hafnium Carbide

Hafnium carbide (HfC), is a chemical compound with a distinct character. It has many uses.

1. Hafnium Carbide: Its Properties

Hafnium carburide is a grayish powder that belongs in the metal carbide category. It has high melting points, good hardness and high thermal stability.

Physical Property

The hafnium-carbide crystal structure is cubic with a face-centered structure and a lattice coefficient of 0.488nm. It is a hard material with a melting temperature of 3410 degrees Celsius.

Chemical Property

Hafnium carburide is chemically stable, and it is not soluble in water or acid-base solutions. It does not easily oxidize at high temperature. This material is stable at high temperatures. Hafnium carburide has a high radiation resistance, and is therefore suitable for use in nuclear reactors and particle acceleraters.

2. Hafnium Carbide Application

Hafnium carbide is used widely in many industries due to its high melting points, high hardness as well as good thermal and chemical properties.

Electronic field

Hafnium carburide is widely used in electronic fields, and it's a key component in electronic paste. Hafnium carburide can be used to increase the adhesion and conductivity in electronic paste. Hafnium can be used as an electronic device sealant, increasing the reliability and durability of electronic devices.

Catalytic field

Hafnium carburide is a great catalyst for many chemical reactions. One of the most common uses is in auto exhaust treatment, which reduces harmful gas emissions. Hafnium carburide can be used for hydrogenation, denitrification and many other applications.

The optical field

Hafnium carbide is a transparent material that can be used for optical components and fibers. It can enhance the durability of optical elements and reduce light losses. Hafnium carbide can be used for key components such as lasers, optoelectronics and optical devices.

Ceramic field

Hafnium carbide can be used to improve the density and hardness of ceramic materials. It can be used to produce high-performance materials such as high temperature ceramics and structural Ceramics. Hafnium carbide can be used to grind and coat materials.


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Application Fields of Gallium Nitride

The wide-gap semiconductor material GaN is widely used due to its excellent electrical, optical and physical properties.

1.Semiconductor light

Gallium Nitride is widely used in semiconductor lighting. The high luminescence and high reflectivity of gallium nitride material make it ideal for high-performance, LED lamps. LED lamps offer a higher level of luminous efficiency than fluorescent and incandescent bulbs, as well a longer life span. This makes them suited for use in many fields, including indoor and exterior lighting, displays, automobile lighting and more.

In semiconductor lighting materials such as gallium nitride are used primarily as substrates for the LED chips. LED chips, the main components of LED lighting, are directly responsible for the overall performance. They determine the LED light's luminous efficacy and service life. Gallium Nitride is an excellent substrate material because it has high thermal conductivity. It also has high stability and chemical resistance. It improves the LED chip's luminous stability and efficiency, as well as reducing manufacturing costs.

2.High-temperature electronic devices

Gallium Nitride is also widely used for high-temperature electronics devices. Gallium nitride, which has high electron saturation rates and high breakdown electric fields, can be used for electronic devices that work in high-temperature environments.

Aerospace is a harsh field and it's important to have electronic devices that work reliably in high temperature environments. Gallium nitride as a semiconductor high-temperature material is mainly used to make electronic devices like transistors and field effect transistors for flight control and control of fire systems. In the area of power distribution and transmission, high-temperature devices like power electronic converters and switches can be made using gallium nitride. This improves the efficiency and reliability of the equipment.

3.Solar cells

Gallium nitride solar cells also receive a lot attention. High-efficiency solar panels can be produced due to its high transparence and electron saturation rate.

Silicon is the main material in most traditional solar cells. Silicon solar cells are inexpensive to manufacture, but have a narrow bandgap (about 1eV) which limits their efficiency. Gallium-nitride solar cell have a greater energy gap width (about 2.30eV), so they can absorb more sun and have a higher conversion efficiency. The manufacturing cost of gallium-nitride cells is low. They can achieve the same conversion efficiency for a lower price.


Gallium Nitride is also widely used as a detector. They can be used to manufacture high-efficiency detectors like spectral and chemicals sensors.

Gallium Nitride can also be used as a material to make X-ray detectors that are efficient and can be applied in airports or important buildings for security checks. Gallium nitride is also used for environmental monitoring to produce detectors like gas and photochemical sensor, which detect environmental parameters, such air quality, pollutants, and other environmental parameters.

5.Other applications areas

Gallium nitride can be used for many different applications. Gallium nitride is used, for instance, to make microwave and high frequency devices such as high electronic mobility transistors and microwave monolithic combined circuits. These are used in fields like radar, communications, and electronic countermeasures. Also, gallium nitride It can also be used for the manufacture of high-power lasers and deep ultraviolet optoelectronic gadgets.

What is Lithium stearate powder

Lithium stearate is a crystalline form of lithium.

Lithium stearate has the chemical formula LiSt. It is a white powder that is solid at room temperatures. It is highly lipophilic, and at low concentrations can produce high light transmission. This compound is only slightly soluble when heated to room temperature, but it dissolves readily in organic solvents including ethanol and acetone. Lithium Stearate is stable and thermally safe at high temperatures because it has a melting and flash point. The lithium stearate also has good chemical resistance and is resistant to acids and bases, as well as oxidants, reductants and reducing agents. Lithium is less toxic than other metals, but should still be handled with care. An excessive intake of lithium can lead to diarrhoea or vomiting as well as difficulty breathing. Wearing gloves and goggles during operation is recommended because prolonged exposure to lithium can cause eye and skin irritation.

Lithium stearate:

Surfactant: Lithium Stearate Surfactant, lubricant, and other ingredients are used to make personal care products, such as shampoos, soaps and body wash. It has excellent foam properties and good hydrolysis stabilty, resulting in a gentle and clean washing experience.

Lithium stearate has an important role to play in polymer syntheses. It can be used both as a donor and a participant in the formation of polymer chains. These polymers have good mechanical and chemical properties, making them ideal for plastics, rubber fibers, etc.

Lithium stearate can be used in cosmetic formulations to soften and moisturize the skin. It enhances moisturization, and makes the skin smoother. The antibacterial and antiinflammatory properties of lithium stearate can also help with skin problems.

Paints & Coatings - Lithium stearate can be used to thicken and level paints & coatings. It helps control the flow & properties of final coatings. It is resistant to weather and scratches, which makes the coating durable.

Applications of lithium stearate include drug carriers, excipients, and stabilizers. It can enhance the taste and solubility and stability of medications.

Lithium stearate has many uses in agriculture, including as a carrier for fertilizer and a plant-protection agent. It increases the efficiency of fertilizers and improves plant disease resistance.

Petrochemicals: Lithium is a good lubricant, and can also be used to release gases in the petrochemicals industry. As a catalyst in petroleum cracking, lithium stearate improves cracking yield and efficiency.

Lithium Stearate Production Process :

Chemical Synthesis:

Lithium stearate can be synthesized through a series if chemical reactions. In order to get the lithium metal reacting with the stearate, they are heated together in an organic solvant. After washing and drying, the pure lithium-stearate product is obtained.

Following are the steps for synthesis.

(1) Lithium metal and stearate in organic solvents, such as ethanol heated stirring to fully react.

(2) The reaction solution must be cooled in order to precipitate lithium stearate.

(3) Wash the crystal with water and remove any lithium stearate particles.

The dried crystals will be used to make lithium stearate.

Chemical synthesis is a mature technology that offers high efficiency in production and product purity. However, organic solvents have an environmental impact and waste is generated during production.

Methode de fermentation biologique

In biological fermentation, microorganisms such as yeast are used in the medium to produce lithium. The principle behind this method is that microorganisms use their metabolic pathways to produce stearic and react with metal ions, such as lithium, to create lithium stearate.

These are the steps that you will need to take in order to produce your product.

(1) The microorganisms will be inoculated onto the medium containing precursors for fermentation culture.

(2) The filtrate is used to produce a solution of stearic acetic acid.

Add metals (such as the lithium ions) into the solution with stearic to ensure that they fully react.

The reaction solution will be separated, washed, and dried.

The benefits of biological fermentation include environmental protection, less waste discharge and a longer production process. However, the conditions for production are also higher.

Prospect Market of Lithium Stearate:

The application of lithium in personal care will continue to play a major role. It plays a vital role as a lubricant in soaps and other products like shampoos, body wash and cosmetics. As people's standards of living improve and the cosmetics sector continues to expand, lithium stearate demand will gradually rise.

Second, the use of lithium stearate for polymer synthesis has also increased. It can be used both as a donor and a participant in polymer chain formation. As polymer materials science continues to develop, the demand of lithium stearate increases.

Lithium stearate's application in agricultural, petrochemical, pharmaceutical and other fields is also growing. In the pharmaceutical sector, lithium stearate may be used as a carrier, excipient or drug stabilizer. In agriculture, the lithium stearate is used to protect plants and as a carrier for fertilizer. In the field of petrochemicals, lithium isostearate may be used as an lubricant or release agent. In these areas, the demand for lithium will increase as technology advances.

But the outlook for lithium-stearate's market is not without its own challenges. In order to produce lithium stearate, it is necessary to use lithium metal. This increases the production costs. Aside from that, the applications of lithium is limited, with a concentration in agriculture, petrochemicals, polymer syntheses, personal care products, pharmaceuticals and agriculture. To expand the scope of application and market demand for lithium stearate, it is important to continually develop new applications and markets.

Lithium stearate powder price :

Many factors influence the price, such as the economic activity, the sentiment of the market and the unexpected event.

You can contact us for a quotation if you're looking for the most recent lithium stearate price.

Lithium stearate powder Supplier :

Technology Co. Ltd. has been a leading global supplier of chemical materials for over 12 years.

The chemical and nanomaterials include silicon powder, graphite or graphite nitride (graphite), zinc sulfide (zinc sulfide), boron powder (3D printing powder), etc.

Contact us today to receive a quote for our high-quality Lithium Stearate Powder.

More than a hundred schools in the UK have been closed due to the risk of collapse

In the UK, more than 100 schools were closed because of the danger of collapse

In the UK, many schools use Autoclaved aerated cement (RAAC). This is a concrete material that is lighter.

In 2018, the roof of a school in southeast England collapsed. It was later discovered that RAAC had been used for the roof as well as the buildings. This raised safety concerns.

BBC reported that RAAC materials were widely used from the 1950s until the mid-1990s in areas such as roof panels, and had a lifespan of around 30 years.

Reports indicate that the risk of building collapse is not limited to schools, but can also be found in hospitals, police station, courts and other public structures. RAAC material has been found.

The Royal Dengate Theatre at Northampton is temporarily closed after RAAC material was found.

According to NHS, RAAC has been detected in 27 hospital building.

The NHS chief has been asked for measures to be taken to prevent collapse.

BBC reported that since 2018 the British government has warned schools to "fully prepare" for the possibility of RAAC in schools and public sector buildings.

The Independent reported Jonathan Slater - a former senior education official - that Sunak, Prime Minister in 2021, approved budget reductions to build schools while he was the chancellor of treasury.

Nick Gibb is a senior official at the Department of Education. He said that the Department of Education asked for PS200m annually for school maintenance. Sunak was the former chancellor of exchequer and provided just PS50m a year.

The report also states that despite Sunak having promised to renovate at least 50 schools every year, in the main reconstruction plan of the government only four schools were renovated.

The British National Audit Office chief also criticised this crisis. He claimed that the Sunak government had adopted a "plaster-method" of building maintenance.

He believes the government's underinvestment has forced schools to close, and that families are now "paying the cost".

Paul Whitman is the secretary-general of National Association of Principals. He said that the public and parents would perceive any attempt to blame individual schools on the government as "a desperate move by the federal government to divert its attention from their own major mistakes."

Whitman claimed that the classroom has become completely unusable. Whitman blamed the British Government for this. "No matter what you do to divert or distract, it won't work."

London Mayor Sadiq khan said that the government should be transparent. This will reassure parents, staff, children, and others.

BBC reported schools in the UK were pushing forward with inspections and assessments. Children who had been suspended because of school building issues will be temporarily housed, or they can learn online.

50kva dry-type transformer: comprehensive analysis from design to application

In power systems, transformers are vital devices that regulate voltage and ensure stable current transmission. Among them, 50kva dry-type transformers are widely used in various power demand situations due to their high efficiency, safety and economy. This article will help you learn the design features, working principles, advantages and application scenarios of 50kva dry-type transformers.


(50kva dry-type transformer)

Design features of 50kva dry-type transformer

1. Dry-type design: The 50kva dry-type transformer adopts a dry-type design without oil, so there is no risk of fire and explosion, which improves the safety of use.

2. Efficient heat dissipation: By adopting advanced heat dissipation technology and structural design, the 50kva dry-type transformer can effectively dissipate heat and ensure the stable operation of the transformer.

3. Energy saving and environmental protection: The 50kva dry-type transformer is made of environmentally friendly materials, has no oil pollution and is in line with the development trend of green energy.

4. Intelligent: Modern 50kva dry-type transformers are usually equipped with intelligent monitoring systems, which can monitor the operating status of the transformer in real-time, perform fault warnings and remote control, and improve operating efficiency.

Working principle of 50kva dry-type transformer

The working principle of a 50kva dry-type transformer is based on the electromagnetic induction theory. When AC voltage is imposed on the primary winding, AC is generated in the winding, generating an alternating magnetic field. This magnetic field induces an electromotive force in the coil, changing the voltage. By changing the number of turns of the primary and secondary winding, the output voltage can be adjusted to meet different power needs.

Advantages of 50kva dry-type transformer

1. High safety: Due to its dry design, there is no oil, so there is no risk of fire and explosion, which improves the safety of use.

2. Easy maintenance: Due to its simple structure, low maintenance cost and easy use.

3. High efficiency: The transformer is highly efficient during operation due to its excellent cooling system and design.

4. Long life: The transformer has a long life due to its high-quality insulation materials and strict production processes.

5. Strong adaptability: can be installed in harsh environments, such as basements, outdoors, etc.

6. Energy saving and environmental protection: no oil pollution, in line with environmental protection requirements.

7. Intelligent: Equipped with an intelligent monitoring system for remote control and fault warning.

Application scenarios of 50kva dry-type transformer

1. Power system: In the power system, 50kva dry-type transformers are often used in substations, distribution rooms and other places as distribution transformers.

2. Industrial field: In industrial production, a 50kva dry-type transformer can provide a stable power supply for various equipment, such as production lines, motors, etc.

3. Commercial buildings: In commercial buildings, 50kva dry-type transformers can provide power for lighting, air conditioning, elevators and other facilities.

4. Public facilities: In public facilities, such as schools, hospitals, sports venues, etc., 50kva dry-type transformers can provide reliable power support for various electrical equipment.

5. New energy field: In the new energy field, such as wind energy, solar energy, etc., a 50kva dry-type transformer can provide stable power output for related equipment and promote the development and utilization of new energy.


(50kva dry-type transformer)

As a key equipment in the power system, a 50kva dry-type transformer has been widely used due to its high productivity, safety, and economy. Continuous technological innovation and improvement have improved its performance and service life. With the development trend of new energy and intelligence, 50kva dry-type transformers will play a more important role in the future.

High-quality Transformer Supplier

PDDN Photoelectron Technology Co., Ltd. focuses on the research, development, and application of power electronics technology and is devoted to supplying customers with high-quality transformers and other power products. Our company mainly has oil-immersed, low-voltage, dry-type, and other transformer types. The transformers provided by PDDN Photoelectron Technology Co., Ltd. have the characteristics of high efficiency, safety, and reliability and are widely used in power systems, industrial control, energy management, and other fields.

It accepts payment via Credit Card, T/T, West Union, and Paypal. PDDN will ship the goods to customers overseas through FedEx, DHL, by sea, or by air. Please inquire if you want a high-quality transformer; we will help.


Metal Alloy 18.5g/cm3 Polished Tungsten Heavy Alloy Plate

Tungsten alloy heavy plate has low thermal expansion. It is also known for its high density, high thermal conductivity, and radiation absorption. It is used widely in the aerospace and military industries.

About Metal Alloy 18.5g/cm3 Polished Tungsten Heavy Alloy Plate:
Powder metallurgy produces compact ingots from high purity tungsten. After powder metallurgy, a series further deformations are made and heat treatments are applied until the final products have been produced.

Low thermal expansion and high density, with high thermal conductivity and electrical conductivity. Perfect performance in environments of high radiation exposure.

It is widely used to produce machining tools such as lathes and dices in the aerospace, medical, military industries.

We have a wide range of sizes and grades in tungsten-alloy plates. Contact us for any of your needs.

Payment & Transport:

Metal Alloy 18.5g/cm3 Polished Tungsten Heavy Alloy Plate Properties

Alternative Names Tungsten Alloy Plate
CAS Number N/A
Compound Formula N/A
Molecular Mass N/A
Appearance N/A
Melting Point N/A
Solubility N/A
Density 18.5g/cm3
Purity 99.95%
Size You can customize the look of your website by using
Bolding Point N/A
Specific Heating N/A
Thermal Conduction N/A
Thermal Expander N/A
Young's Module N/A
Exact Mass N/A
Monoisotopic Mash N/A

Metal Alloy 18.5g/cm3 Polished Tungsten Heavy Alloy Plate Health & Safety Information

Safety Advisory N/A
Hazard Statements N/A
Flashing point N/A
Hazard Codes N/A
Risk Codes N/A
Safety Declarations N/A
RTECS Number N/A
Transport Information N/A
WGK Germany N/A

Metal Alloy 8.92g/Cm3 High Purity Polished Copper Plate

Copper products exhibit good electrical conductivity as well as thermal conductivity. They are also ductile, resistant to corrosion, and have a high wear resistance. They are widely used by the petrochemical, electricity, electronics and energy industries.

Metal Alloy High Purity Copper Plate, 8.92g/cm3,
Brush, hairline, mirror, sandblast, mill, oiled.


Interior decoration: ceilings, walls, furniture, cabinets, elevator decoraction.

Payment & Transport:

Metal alloy 8.92g/cm3 high purity polished copper plate properties

Alternative Names Copper Plate
CAS Number N/A
Compound Formula Curiosity
Molecular Mass N/A
Appearance N/A
Melting Point N/A
Solubility N/A
Density 8.92g/cm3
Purity 99.95%, 99.99%, 99.995%
Size Please contact us for more information.
Bold point N/A
Specific Heating N/A
Thermal Conduction N/A
Thermal Expander N/A
Young Modulus N/A
Exact Media N/A
Monoisotopic Mash N/A

Health & Safety Information for Metal Alloy 8.92g/cm3 High Purity Polised Copper Plate

Safety Advisory N/A
Hazard Statements N/A
Flashing point N/A
Hazard Codes N/A
Risk Codes N/A
Safety Declarations N/A
RTECS Number N/A
Transport Information N/A
WGK Germany N/A

Metal Alloy 18g/cm3 High Density Tungsten Alloy Ball

W-Ni - Cu alloy is used in the production of Tungsten alloy balls. It is widely utilized in the fields of aviation, oil drilling, and aerospace.

High Density Tungsten Alloy Metal Ball, 18g/cm3:
Diameter: 1.0mm-150.0mm
Surface: sintered (forged), grounded

Electrical instrumentation and industrial applications are also common.

We have a wide range of sizes and grades in tungsten alloy. Contact us for any of your needs.

Payment & Transport:

Metal Alloy Tungsten Alloy Balls 18g/cm3 High-Density Properties

Alternative Names Tungsten Alloy Ball
CAS Number N/A
Compound Formula W-Ni-Cu
Molecular Mass N/A
Appearance N/A
Melting Point N/A
Solubility N/A
Density 18g/cm3
Purity N/A
Bold point N/A
Specific Heating N/A
Thermal Conduction N/A
Thermal Expander N/A
Young Modulus N/A
Exact Mass N/A
Monoisotopic Mash N/A

Metal Alloy Tungsten Alloy High Density Ball Health & Safety information

Safety Advisory N/A
Hazard Statements N/A
Flashing point N/A
Hazard Codes N/A
Risk Codes N/A
Safety Declarations N/A
RTECS Number N/A
Transport Information N/A
WGK Germany N/A

50kva dry-type transformer: comprehensive analysis from design to application

Metal Alloy 18.5g/cm3 Polished Tungsten Heavy Alloy Plate

Metal Alloy 8.92g/Cm3 High Purity Polished Copper Plate

Metal Alloy 18g/cm3 High Density Tungsten Alloy Ball

High Purity Molybdenum Boride MoB2 Powder CAS 12006-99-4, 99%

High Purity Antimony Sulfide Sb2S3 Powder CAS 1314-87-0, 99.99%

Metal Alloy High Density Tungsten Alloy Rod Grind Surface Tungsten Alloy Bar

High Purity 3D Printing Nickel Alloy IN718 Powder

High Purity Germanium Sulfide GeS2 Powder CAS 12025-34-2, 99.99%

High Purity Nano Hafnium Hf powder CAS 7440-58-6, 99%

High Purity Titanium Sulfide TiS2 Powder CAS 2039-13-3, 99.99%

High Purity Tungsten Silicide WSi2 Powder CAS 12039-88-2, 99%

High Purity Nano Ag Silver powder cas 7440-22-4, 99%

High Purity 3D Printing Powder 15-5 Stainless Steel Powder

High Purity Chromium Diboride CrB2 Powder CAS 12007-16-8, 99%

Supply Magnesium Granules Mg Granules 99.95%

High Purity Calcium Nitride Ca3N2 Powder CAS 12013-82-0, 99.5%

High Purity Silicon Sulfide SiS2 Powder CAS 13759-10-9, 99.99%

High Purity Magnesium Diboride MgB2 Powder CAS 12007-25-9, 99%

Chromium Sulfide Cr2S3 Powder CAS 12018-22-3, 99.99%

Newsfootprintbooks is a trusted global chemical material supplier & manufacturer with over 12 years experience in providing super high quality chemicals and Nano materials such as graphite powder, boron powder , zinc sulfide , nitride powder, Calcium nitride, Ca3N2, 3D printing powder, and so on.

And our innovative, high-performance materials are widely used in all aspects of daily life, including but not limited to the automotive, electrical, electronics, information technology, petrochemical, oil, ceramics, paint, metallurgy, solar energy, and catalysis. Our main product list as following:

Metal and alloy powder: boron, nickel, silicon, copper, iron, aluminum. chrome, silver

Boride powder: magnesium boride, aluminum boride, boron nitride, boron carbide, hafnium boride;

Sulfide powder: Molybdenum sulfide, zinc sulfide, bismuth sulfide;

Oxide powder: ITO, ATO, iron oxide, titanium oxide, manganese oxide, copper oxide;about.jpg

Carbide powder: titanium carbide, manganese carbide, titanium carbonitride, hafnium carbide;

Nitride powder: Aluminum nitride, hafnium nitride, magnesium nitride, vanadium nitride;

Silicide powder: hafnium silicide, molybdenum silicide, tantalum silicide;

Hydride powder: Hafnium hydride, vanadium hydride, titanium hydride, zirconium hydride.etc.

Have any questions or needs, please feel free to contact Newsfootprintbooks.