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Use of boron carbide: I. Boron carbide in sapphire wafer (LED) application sapphire wafer double-sided lapping and LED epitaxial wafer back thinning polishing. Boron carbide hardness 9.3 will not damage the crystal, cost-effective is also high, become the most ideal sapphire crystal grinding material. II. Boron carbide is used in the defense industry to make bulletproof materials, bulletproof plates in bulletproof vests, ceramic bulletproof tiles for the cockpit of military aircraft, and ceramic bulletproof plates for modern armored personnel carrier and tanks. Used in the arms industry as a nozzle for making guns and cannons. III. Application of boron carbide in nuclear industry boron carbide has good neutron absorption properties and radiation resistance, widely used in nuclear atomic energy reaction shield plate and neutron absorption core block. Iv. Application of boron carbide in Refractory due to its high temperature resistance, boron carbide is used as an antioxidant in low carbon mgo-carbon bricks, castables, etc. . It is an important material for heat resistant products, oxidation resistant materials and advanced Refractory. V. Application of boron carbide in ceramic materials boron carbide is used to make nozzles for sandblasting machine, water jet nozzles for high pressure water cutting machine, mechanical seal rings, ceramic tools and abrasives, etc. . Vi. Boron carbide for other applications 1. High grade wear resistant electrode 2. High precision polishing and grinding for jewelry industry 3. Grinding, grinding, drilling and polishing of cemented carbide, precious stones, etc. 4. Graphite thermocouple 5. As a boron source, used as a boride for steels and other alloys
