How heat resistant is boron nitride
What is boron nitride?
Boron nitride is generally black, brown or dark red crystals with sphalerite structure and great thermal conductivity. Its solidity is second just to ruby, a superhard material frequently used as device materials as well as abrasives. Boron nitride has chemical resistance and no erosion by not natural acid and water. The boron nitrogen bond is broken in hot, focused antacids. Oxidation begins in the air at 1200 ℃. Decay begins at concerning 2700 ℃ in a vacuum cleaner. It is somewhat soluble in hot acid and also insoluble in cool water. The family member thickness is 2.29. The compressive toughness is 170 mph. The optimum service temperature level is 900 ℃ in the oxidation ambience as well as 2800 ℃ in the non-active reduction environment, however the lubrication performance is poor at area temperature. The majority of properties of boron nitride are much better than carbon materials. For hexagonal boron nitride: the friction coefficient is superficial Excellent high-temperature security, excellent thermal shock resistance, high toughness, high thermal conductivity, low expansion coefficient, high resistivity, deterioration resistance, microwave or infrared transmission.
What is the function of boron nitride? Hexagonal boron nitride can make TiB2/BN composite porcelains, advanced refractories and also superhard material; separation rings for continual straight rolling, high-temperature resistant lubricants and also high-temperature layers. It is also a resources for manufacturing cubic boron nitride. Additionally, it is also a really exceptional high-temperature lubricant, which can be made use of as an element of self-lubricating bearings. Boron nitride has several physical residential or commercial properties comparable to graphite, called white graphite. It resembles mica, talcum powder, and also silicate; Fatty acids are jointly described as white strong lubricating substances. As a lube, boron nitride can be spread in heat-resistant lubricating oil, water or solvent; It is splashed on the rubbing surface to develop a dry movie after the solvent volatilizes and after that completed the resin, ceramic, as well as steel surface area layers as a high-temperature resistant self-lubricating composite product. It is made use of in aerospace engineering, or the boron nitride powder can be straight covered on the guide rail surface. The boron nitride suspension oil is white or yellow. As a result, it does not contaminate fiber products in fabric equipment and can be commonly made use of in the lubrication of synthetic fiber textile equipment.
Is Boron nitride dangerous to body?
Boron nitride is not toxic, but boron nitride powder is a cloud of dirt hazardous to human wellness. Boron nitride powder is physically inert and also will certainly be damaging to wellness when swallowed, inhaled, and exposured to the skin and eyes. Consuming or inhaling will certainly trigger skin, respiratory system, as well as kidney flow disorders.
Price of boron nitride
Boron nitride particle size and purity will certainly affect the product'' s rate, as well as the acquisition volume can also affect the cost of boron nitride. A big amount of big quantity will certainly be reduced. The cost of boron nitride can be found on our firm'' s official web site.
Boron nitride distributor
Technology Co. Ltd.
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