How heat resistant is boron nitride
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What is boron nitride?
Boron nitride is usually black, brown or dark red crystals with sphalerite structure and good thermal conductivity. Its hardness is 2nd just to ruby, a superhard product commonly utilized as tool products as well as abrasives. Boron nitride has chemical resistance and also no erosion by not natural acid and also water. The boron nitrogen bond is broken in warm, concentrated alkali. Oxidation starts airborne at 1200 ℃. Decomposition begins at regarding 2700 ℃ in a vacuum. It is somewhat soluble in warm acid and also insoluble in chilly water. The relative density is 2.29. The compressive strength is 170 mph. The optimum solution temperature level is 900 ℃ in the oxidation atmosphere as well as 2800 ℃ in the non-active decrease environment, but the lubrication performance is bad at space temperature. A lot of homes of boron nitride are far better than carbon products. For hexagonal boron nitride: the rubbing coefficient is shallow Good high-temperature stability, great 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, progressed refractories as well as superhard product; splitting up rings for continuous straight rolling, high-temperature immune lubes as well as high-temperature layers. It is additionally a resources for synthesizing cubic boron nitride. Additionally, it is likewise an extremely outstanding high-temperature lube, which can be used as a component of self-lubricating bearings. Boron nitride has several physical properties similar to graphite, called white graphite. It resembles mica, baby powder, as well as silicate; Fats are collectively described as white solid lubricants. As a lubricating substance, boron nitride can be distributed in heat-resistant lubricating oil, water or solvent; It is sprayed on the rubbing surface area to develop a completely dry film after the solvent volatilizes and after that filled in the material, ceramic, and metal surface area layers as a high-temperature resistant self-lubricating composite material. It is used in aerospace engineering, or the boron nitride powder can be directly coated on the overview rail surface. The boron nitride suspension oil is white or yellow. Therefore, it does not contaminate fiber items in textile equipment and can be widely used in the lubrication of artificial fiber textile equipment.
Is Boron nitride unsafe to body?
Boron nitride is not harmful, but boron nitride powder is a cloud of dirt harmful to human health. Boron nitride powder is physically inert and also will certainly be detrimental to health and wellness when swallowed, breathed in, and also exposured to the skin and eyes. Consuming or breathing in will certainly trigger skin, breathing system, as well as kidney blood circulation problems.
Cost of boron nitride
Boron nitride bit size and also pureness will certainly impact the item'' s rate, and the acquisition volume can additionally affect the expense of boron nitride. A big amount of big amount will certainly be lower. The rate of boron nitride can be located on our company'' s main site.
Boron nitride vendor
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