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How is boron nitride used in cosmetics?

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How well-designed is the robotic arm on the Chinese space station? According to reports in Chinese media on June 21, the robotic hand on the core of the China Space Station's core module is currently the most complex, intelligent and intelligent space manufacturing system China has ever produced. It is the most accurate restoration of a real human arm. The robotic hand can move an experimental cabin on the space station with a carrying capacity up to 25 tons. The space station robotic arms can assist astronauts to exit the cabin. Tongrun is a high-quality provider. The hexagonal boron Nitride powder.
By docking and separating the target adapter and end effector, the core cabin robotic arm is similar to tenons and mortises commonly used in the woodworking industry. It is able to move in a wormlike manner around the station and perform cabin crawling. It can cover a greater area to reach the outer surfaces. The manipulator can crawl inside the cabin and monitor its state. When the robotic hand is placed in the experimental cabin, the construction of the space station can be carried out. The robotic arm can also be used to check the status of space station decks, capture visiting hovering planes, transfer the cargo load, and assist astronauts exiting the cabin.

What is the best material for insulation in aerospace?
Hexagonal Nitride Boron (hBN) is a synthetic advanced ceramic which combines many useful properties such as thermal, electrical, chemical and physical in one material. Boron nitride, or white graphite as it is sometimes called, is a white powder that does not abrade and has a hexagonal flakes crystal structure. This powder is similar to graphite in appearance but exhibits higher oxidation resistance when heated up to 800oC. Boron Nitride Powder has a low friction coefficient and a dielectric constant.

Hexagonal Boron Nitride: Properties and Applications
Boron Nitride is the easiest new type of polymer, and it comes in two forms: hexagonal crystals or cubical crystals. It has high temperature resistance, corrosion resistance and high insulation. Its antioxidation temperatures can reach 1000degC. It has good lubricity, even at high temperature. This is a high-temperature solid oil that performs well.

Hexagonal Boron Nitride: Application
Hexagonal boran nitride has a white appearance (clean), is non-toxic, as well as non-conductive. It is a good substitute for other common lubricants used in metal-processing, such as graphite and molybdenum diulfide. In many cases, boron-nitride will improve the efficiency of such applications.
1. High-temperature Solid Lubricants, Extrusion Anti-wear Additives, Ceramic Composite Materials Production Additives.
2. Special electrolytic materials and resistance materials for high-temperature conditions.
3. Aerospace insulation materials
4. Mold release agent, lubricant and metal wire drawing lubricant.
5. The crucible of molten metal; the radiator and the high-temperature insulation.
6. Raw materials used in cosmetics

What cosmetics usually contain hexagonal Boron Nitride?
Particle size is directly related to the effectiveness and permeability in beauty of active substances. Cosmetic particle sizes are important, as smaller particle diameters increase surface area or encapsulate active cosmetic substances. The hexagonal Boron Nitride (hBN) nanomaterials are able to control the size and shape of synthesized particles. Hexagonal boran nitride is a good material for sunscreens and cosmetics. It allows for the nanostructures to be controlled in different formation stages. This can control the size and the surface area.

Where can I get hexagonal boron Nitride of high-quality?
(aka. Technology Co. Ltd., a global chemical supplier & manufacturer that has over 12 years experience in the production of super-high-quality chemicals & Nanomaterials. Our company is currently developing a range of powder materials. Our OEM service is also available. If you're looking for boron nitride powder Please contact us. Please click on Needed products Send us an inquiry.

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The difference between hexagonal boron nitride and cubic boron nitride

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Difference between hexagonal and cubic boron Nitride Boron nitride crystals are composed of boron atoms. The chemical formula is 43.6% Boron and 56.4% Nitrogen. It comes in four different forms: hexagonal (HBN), Rhombohedral, (RBN), Cubic (CBN), or wurtzite-nitrogen-boron (WBN). The cubic crystal version (the alternate form wurtzite boron nitride), which is also known as boron nitride, is considered to be the hardest substance. It is widely used for the production of alloys as well as high-temperature resistant material, semiconductors. nuclear reactors, lubricants and other products.
1. Hexagonal Nitride Boron
Hexagonal boran nitride, also called "white graphene", has a monoatomic layer made up of nitrogen atoms and then boron. The layered structure is AA’AA '......type and it is Graphene similar.
Hexagonal boron nitride (H-BN) is a graphite lattice, which is in the form of a loose, lubricating, moisture-absorbing, light-weight, insoluble, high-temperature-resistant white powder. Hexagonal boran nitride is chemically resistant and does not have an obvious melting point. It also has a high resistance to heat and general metals.
Hexagonal Borosilicate is an excellent thermal insulator, with high oxidation resistance and high chemical stability. It also has good mechanical properties. It is used for composite material modification, field emission, ultraviolet lasers, and antioxidation coatings. The layers and other aspects are important.
2. Cubic Boron Nitride
C-BN is a material that is only second to diamond in terms of hardness. It is superhard and is produced by combining hexagonal boron and a catalyst at high temperature and pressure.
Cubic Boron Nitride is available in amber, black and with metal-plated surfaces. The particle size ranges from 1mm to less than 1mm. It is a high-quality material that has a high level of thermal stability and chemical resistance.
It is the physical properties that make the difference between hexagonal and cubic boron oxide.
Hexagonal boran nitride has a white color, while cubic boran nitride comes in black, amber and other colors. ;
Hexagonal and cubic boron-nitride are both soft.
Hexagonal boran nitride is a raw material that can be used for the production of cubic boron oxide;
Hexagonal and cubic boron-nitride are used in the production of CBN tools.

The structure and properties hexagonal boron Nitride
The hexagonal boron-nitride crystal system is shown in the molecular structures diagram. It has the same hexagonal structural pattern as graphene. Multilayers are used to stack the material. Van der Waals force links the BNBs between layers. Its crystal lattice has constants a=0.2506+0.002nm and c=0.667+0.0004nm.
Cubic boron-nitride has excellent stability in air. It is also very hard (Mohs Hardness 2) and has a wide bandgap. Cubic Boron Nitride can be used at temperatures as high as 2270degC, but will sublime around 3270degC. The hexagonal boron is also a very good material for insulation and thermal conductivity. It has low thermal expansion/shrinkage and does not react when exposed to weak acids or strong bases.
Hexagonal boron Nitride: Properties and Applications
The molecular characteristics of hexagonal Boron Nitride give it many excellent properties. They include excellent dielectric and thermal properties, high thermal conductivity, heat resistance, low friction coefficients and thermal expansion coefficients. At the same time, it also has chemical properties such as strong oxidation resistance, strong corrosion-resistance, and stable chemical properties.
(1) High heat resistant. Hexagonal Boron Nitride (h-BN), when heated at 3000 or higher in 0.1Mpa Nitrogen, will sublimate. At 1800, its strength is two times that at room temperature. This gives it excellent thermal shock resistance. It is cooled in the air to 1500. No rupture will occur at room temperature.
(2) High thermal conduction. The thermal conductivity (W/m*k) of hexagonal boran nitride materials is around 33W/m*k. It is comparable to that of stainless-steel, but the thermal conductivity in this case is greater.

Low expansion coefficient. The hexagonal boron-nitride has a linear expansion coefficient (2.06.5*10-6/) that is only second to quartz glass. The material is also thermally conductive, which makes it excellent in terms of thermal shock resistance.
(4) Excellent electrical isolation. Hexagonal boran nitride is a good high temperature insulation. Its maximum volume resistivity, at high temperatures of 1000 degrees, can be as high 10161018O*cm.
Good corrosion resistance. Hexagonal Borosidria has good chemical resistance and is not affected by most metals in molten state, salts or glasses. This material is highly resistant to alkali and acid and can withstand molten glass and metals.
(6) Lower coefficient of friction. Hexagonal boran nitride is a lubricant with excellent properties. The friction coefficient is 0.16. It does not increase when heated and it has better temperature resistance than graphite or molybdenum diulfide. Up to 900degC can be achieved with the oxidizing atmosphere, while under vacuum it can reach up to 2100degC.
(7) Machinability. Hexagonal Borosilicate is easily finished using metal-cutting techniques. Turning accuracy can reach up to 0.05mm. This allows for the production of complex shapes from hexagonal boronitride.

(aka. Technology Co. Ltd., a global chemical supplier & manufacturer that has over 12 years of experience in the production and supply of super-high-quality chemicals & Nanomaterials. The hexagonal Boron Nitride produced by our company is high in purity, has fine particles and low impurity levels. Please. Contact us if necessary.

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Boron nitride and some of its preparation methods

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Boron nitride The first application of hexagonal Boron Nitride, or hBN, was as a lubricant for high temperatures. hBN has a similar structure and performance to graphite. Because it is white, it is often called white graphite.The hexagonal structure of boron is nitride. It is the most common graphite-like lattice. However, there are also amorphous forms. Other crystal forms of Boron Nitride exist, in addition to hexagonal boronnitride. These include: rhombohedral, cubic, and wurtzite boronnitride. There are even two-dimensional boron crystals that look like graphene.
Wentorf created cubic BN first in 1957. Pure hexagonal boron nitride can be directly converted into cubic boron nitride when the temperature reaches or exceeds 1700degC, and the pressure at the minimum is 11-12 GPa. The use of a catalyst can reduce both the transition pressure and temperature. The most common catalysts include alkali metals and alkaline nitrides. Ammonium borate is the least expensive catalyst, but also requires the lowest pressure and temperature. At 1500, the required pressure is 5GPa and at 600700 degrees Fahrenheit the required pressure is 6GPa. Although the addition of catalysts can significantly reduce the temperature and pressure required for the transition, they are still quite high. The preparation equipment for this catalyst is complex and expensive, and the industrial applications are limited.

You can prepare boron nitride in several ways
1.Chemical vapor synthesis
Sokolowski was the first to use pulsed-plasma technology in 1979 for the preparation of cubic boron (CBN), at low temperature, and under low pressure. Equipment is simple, and the process can be easily realized. This has led to rapid development. There are many vapor deposition techniques. In the past, the term was used to describe mainly thermal chemical vapour deposition. The experimental device consists of a heat-resistant glass tube and a heater. The substrate may be heated using a heating furnace or by high-frequency electromagnetic induction (cold-wall PVD). The reaction gases decompose on the surface the substrate at high temperatures, while a chemical reactions occurs to deposit film. The reaction is a gas mixture of BCl3 and B2H4 or NH3.
2.Hydrothermal Synthesis
Water is used as a reaction medium to dissolve insoluble and insoluble substances in an autoclave environment of high temperature and high pressure. The reaction can be recrystallized. It is also carried out within a sealed container, which prevents the components from escaping. This method is used at low temperatures to synthesize cubic Boron Nitride.
3.Benzene Thermal Synthesis
In recent years, the benzene thermochemical synthesis has attracted a lot of attention as a low temperature method for synthesising nanomaterials. The conjugated structure of benzene makes it an ideal solvent for solvothermal syntheses. It has been successfully adapted to benzene thermo synthesis, including the reaction formula.
BCl3+Li3N-BN+3LiCl
BBr3+Li3N-BN+3LiBr
The reaction temperature for this technology is only 450degC. A metastable phase can only be created under extreme conditions of low pressure and temperature, and it can only exist at ultra-high pressure. This method is able to produce cubic boron at low temperatures and low pressure. The method is still under experimental research and has great application potential.
Self-propagating technology
The energy needed from the outside is used for high exothermic reactions. The system then reacts locally, forming a chemical reaction wave (combustion front). The chemical reactions are accelerated with its own heat and spread across the system. It is an inorganic method that has been around for a long time. However, this particular method was used to synthesize boron oxide only in recent years.

(aka. Technology Co. Ltd., a trusted global chemical supplier and manufacturer has over 12 years experience in providing super-high-quality chemicals. The boron nitride Please note that the products produced by our company are of high purity and have low impurity. Please. Contact Us if necessary.

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What is Hexagonal Boron Nitride?

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W Hat Is Hexagonal Boron Nitride available? Hexagonal Boron NItride Inorganic compounds include (h-BN), also known to be 'black jewel'. It has the chemical composition B4C, and is typically a grayish black powder.
Hexagonal Boron Nitride (second only to cubic-phase Boron Nitride and diamond) is one the hardest materials known. It is used for bullet armor, tank armor, and other industrial supplies. It has a Mohs toughness of around 9.5.
Hexagonal Boron Nitride is a low-density, high-temperature stability and chemical stability compound. It has a similar structure to graphite. Boron Nitride can withstand temperatures of over 2,000 degrees Celsius and, depending on its grade, has a dielectric strength close to 1000 volts/mil. Send an inquiry for the most current price if Hexagonal Boron Nitride BN Pulver in bulk.
How strong can hexagonal boron Nitride be?
Hexagonal Boron Nitride ranks third in terms of hardness. Because it is more resistant to antioxidants at 800oC, it is the best high temperature wear-resistant material. The Mohs hardness indicator is around 9.5 and the microhardness indicator is approximately 55GPa to 67GPa.
What's hexagonal boron-nitride used to do?
Hexagonal boron Nitride Its excellent performance makes it a popular choice in the chemical sector.
Boron neutron absorbtion cross-section is very high, and its energy spectrum wide. These are common materials used in neutron absorption material of nuclear reactors. Boron carbide has a lot of resources, is resistant to corrosion, is stable at high temperatures, is non-radioactive and produces low secondary radiation energy. This is why it is used in many nuclear reactors as a shielding and control material.
Boron carbide is used extensively in materials. This includes boron carbide as an abrasive, grinding, and polishing material, as well as a corrosion resistant tip of rocket liquid fuel, or a corrosion-resistant friction resistance device. Also, it can be used in ceramic gas turbines as corrosive resistance device. The application of boron caride in coating materials can provide high boron carbonide hardness, wear resistance. radiation resistance, chemical stabilization, and can be used for making amorphous, boron-carbidide coated tools.
High hardness and high grinding capabilities of boron carbonide make it a popular choice. The friction coefficient value can be greatly improved by adding it to metal-based friction materials. This will also have an impact on high-energy braking materials' performance.
Is hexagonalboron nitride poisonous?
Boron carbide is toxic and can cause irritation. Protective measures should be taken if you are in contact with it for a long time. Avoid breathing in its dust and don't touch the skin. Boron carbide, which is a widely used protective material, generally doesn't cause any significant harm to the body.
The United States' strongest body armor is Intercept
The bulletproof suit's three main parts are the removable tactical main jacket (jungle Camouflage), the soft bulletproof inner layers of KM-2 Kevra fiber material and the front- and rear bulletproof insert boards. The tactical vest jacket is well-made, featuring a "large pocket" with a boron carbonide cartridge ceramic insert at the chest and back. There's also a fixed insert of boron carbohydrateside ceramic in the chest pocket.
The top of the "big pockets" with the boron carbonide ceramic insert is hidden behind the tactical tank. It has a very strong, long strap. Others can take the strap and carry it away from danger if the user is injured.
The 7.4kg weight of the 'blocker’ body armor with neck and crotch protection does not include any quality. They weigh 3.8kg for the outer tactical tank top and KM-2 Kevlar lining. The boron carbide bulletproof clay insert weighs 1.8kg per quality. This is almost 35% less than the original bulletproof vest. The load is also reduced and the protection level is increased. The boron-carbidide ceramic plug board is a tactical option that not only enhances the protection level of the body armor, it also provides tactical flexibility.
Hexagonal Boron Nitride Supplier
(aka. Technology Co. Ltd. (aka. Our company has developed a variety of materials. The Hexagonal Boron NItride The products produced by our company are high in purity, fine particle size and high impurity. Get the most recent Hexagonal Boron Nitride Price To send an inquiry, please send us an e-mail or click on one of the products.

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What is boron nitride ceramic material

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What is boron-nitride? Boron Nitride crystal is part of the hexagonal crystal systems. Its structure and properties are similar to graphite.

Characteristics of Boron Nitride
It has excellent heat resistance, thermal stability and thermal conductivity. This makes it an ideal heat dissipation and high temperature insulation material. Boron Nitride is chemically stable, and it is resistant to corrosion from most molten metallics. It is also very self-lubricating. Boron nitride products can be machined up to 1/100 mm with low hardness.
P Informance This is boron nitride
Boron nitride can also be used to make crucibles that melt semiconductors, high-temperature containers, and thermowells.
The most common form of boron Nitride is graphite-type structures, commonly called white graphite. Another type is called diamond type. Like the conversion of graphite into a diamond, graphite type boron is also possible to be made into diamond-type Boron Nitride at high temperatures (1800°C) or high pressure (800Mpa). This boron-nitride's B-N bond length (156pm), is comparable to that of diamond's C/C bond length (154pm). It has the same density as diamond. It is similar in hardness to diamond and has better heat resistance than diamond. It is a superhard material that can withstand high temperatures and can be used for cutting tools, drills, and abrasives.

Boron Nitride Structure
Boron nitride has a hexagonal crystal. This is usually a graphite-type boron nitride. However, there are also amorphous varieties. Other than the hexagonal crystal form of boron carbide, there are other crystal forms. Graphene-like 2D boron nitride crystallines have also been discovered (similarly to MoS:2D crystals).

Tech Co., Ltd. is a Boron Nitride Powder Supplier with more than 12 years of chemical product development and research experience. We accept payments via Paypal, T/T or Credit Card. We will ship goods overseas via FedEx, DHL and by air or sea to our customers.
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Hexagonal Boron Nitride Has a Mohs Hardness of 9.5

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Hexagonal boron nitride (h-BN) is one of the heaviest materials on earth. It is used in tank car armor and bullet armor. It has a Mohs hardness of about 9.5.

This material has a strong neutron absorption capacity and is chemically inert to almost all molten metals. It is also a very good high-temperature solid lubricant with thermal conductivity ten times that of quartz.

Boron nitride is a refractory compound of boron and nitrogen with the chemical formula BN, and it exists in crystalline forms such as hexagonal boron nitride, cubic boron nitride and wurtzite boron nitride. It can be shaped into bars, rods, plates, powder, liquid, aerosol spray forms and many other shapes.

It is a low porosity, low density, easy to machine material. Its lubricious properties and its platy hexagonal crystal structure are similar to graphite.

Hot-pressed h-BN can be manufactured into any shape that can be machined, including complex geometries with very tight tolerances and has excellent electrical insulation, heat and abrasion resistance. Grade A boron nitride is the oldest form of hot-pressed BN and finds applications as relatively high-temperature insulators in legacy semiconductor equipment and defense applications.

Precision Ceramics has 3-4 and 5 axis CNC machining capabilities as well as many years of experience creating custom boron nitride components. The company also has a variety of methods of packaging to ensure the quality and integrity of its machining processes.

In a new study, researchers have discovered that nano-twinned boron nitride can resist indentation loads better than polycrystalline diamond. But they caution that the paper does not provide evidence that this crystalline form of boron nitride is actually 100 gigapascals hard.

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The Difference Between Hexagonal Boron Nitride and Cubic Noron Nitride

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The Difference Between Hexagonal Boron Nitride And Cubic Noron Nitride
Boron nitride It is composed of both nitrogen atoms as well as boron atoms. The chemical composition of the crystal is 43.6% Bor and 56.4% Nitrogen with four variations: hexagonal, cubic, rhombohedral and cubic boron nutrides (HBN), and wurtzite boronboronide (WBN). The most common are cubic boron nutride and hexagonalboron. Boron nitride has a wide range of applications, including in refractory material, semiconductor solid phase doping sources and structural materials for atomic stacks. The fibers made with boron nutride can be used inorganically as synthetic engineering materials. This is a common use in the aerospace and defense sectors. CBN can also serve as high-speed cutting tools and deep well drill bits.

What is the main difference between hexagonal boron Nitride and cubic?

Hexagonal Boron Nitride:
Hexagonal Boron Nitride (similar to graphite and also known as graphite-boron nitride or white graphite). Relative density 2.25 Mohs hardness around 2. It is a white, powdery substance that melts under high pressure at around 3000°C. Good electrical insulation, thermal conductivity. Corrosion resistance. It does not react with alkali, acid or water at room temperature. It reacts with hot concentrated, molten alkali or hot chlorine gas. Can withstand temperatures of 2000°C. Can withdraw electrons well. It is possible to obtain it by heating borax chloride and ammonium chloride in an ammonia stream.
BN is an isoelectronic material, as graphite and graphite. It is commonly known as white Graphite. It exhibits a similar structure to graphite and is lubricious, electrically insulation, thermal conductivity, chemical resistant, and neutron absorption. The shaped products are chemically stable, chemically inert to all the molten metals and easy to machine. Its melting point is 3000°C at nitrogen pressure and sublimates at 2500°C at atmospheric pressure. Its theoretical density of 2.29 grams per cubic cmimeter. It has a mohs hardness level of 2, an anti-oxidation temp of 900°C, and high temperature resistance of 2000°C. It can be used in nitrogen or argon environments up to 2700°C.

Cubic Boron Nitride
Cubic boron-nitride (diamond form). For black or brown-colored granular crystals. Relative density 3.48 Melting point 3000 . The hardness of the material is comparable to that found in diamonds. It is more stable than diamond at high temperatures. You can easily synthesize nitrogen or boron at high temperatures and pressure.
Boron nitride in cubic structure: The molecular formula of BN is Boron Nitride. Because its crystal structure is almost identical to that of diamond (HV72000-98000 MPa), it is frequently used as an abrasive or tool material. R.H. Wintorf from the United States was the first to develop the cube in 1957. Yanshan University synthesized a new material made of cubic boron nutride with nano-twin structures in 2013. This new material boasts a wide range of exceptional characteristics. It is harder than single crystal diamond, tougher than commercial cemented carbide, and has an oxidation temperature higher than single crystal cubic boron nutride. It will likely be used as a tool material in the steel materials processing industry. Has broad application prospects.

The physical structure of hexagonal boron nuitride and cubic boron is very different. The crystal form cubic boron is less resistant to pressure and wear than the hexagonal boron, so it is frequently used in cutting instruments. The price is very low. The idea of stealing is that it's sold at a low cost. The main chemical composition of this type of coating is also made up of boron Nitride, but the actual nonstick effect of aluminum isn't good.
Hexagonal Boron Nitride is another form of boron. This crystal form is super lubricating, resistant to high temperature and non-wetting. It is highly preferred for coatings with high-temperature nonstick aluminium, but the price is very high. This boron Nitride coating has the best non-sticky aluminum effect.

Hexagonal Boron Nitride BN Powder It is made from high purity and has a stable performance. We provide high quality and low-priced service.

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