Boron carbide is black crystal with metallic luster, hardness ranks only second to diamond, higher than silicon carbide, Mohs hardness is 9.3. Chemical property is stable, it does not react with the acid solution, the formula is B4C, relative density is 2.52, melting point is 2350℃, boiling point is higher than 3500℃.

Application :

1. Abrasive----sapphire wafer lapping material, other hardness products surface lapping, polishing

2. chemical adhesive

3. technical ceramic components material, such as spray blasting nozzles, plate , rings ect,

4. refractory materials

5. neutron absorption

6. light weight armor products

7. others application