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Fused alumina oxide, , , , , Silicon carbide, Boron carbide, Garnet, Walnut sand, Glass beads
Fused alumina oxide, , , , , Silicon carbide, Boron carbide, Garnet, Walnut sand, Glass beads
Boron carbide powder for sapphire polishing
product description :
Boron carbide is the hardest of the conventional abrasives. Boron carbide has following unique features: neutron absorbing, of semi-conductivity, low thermal conductivity, high grinding efficiency and no reaction with either acids or alkali etc. Boron carbide steel, jewel, hard ceramic and other hard materials, and to manufacture wear-resisting parts, metal cutting tools, nozzles and neutron-absorbing rods, used as metal additive for compound materials for military planes and as raw materials for metal boride, metal ceramic, boron steel, boron alloy and for special welding and refractory materials.
Physical and chemical properties | |||
Product Name | Boron Carbide | Color | Black |
Molecular Formula | B4C | Bulk density | 2.52g/cm3 |
Water Soluble | No | Melting Point | 2450℃ |
Boiling Point | 3500℃ | Crystal Form | Hexahedron |
Moh's hardness | 9.5 | Microhardness | 4950 kgf/mm2 |
B4C | 98.36% | CAS No. | 12069-32-8 |
B2O3 | 0.39% | Fe2O3 | 0.20% |
Total B | 77.19% | Total C | 21.98% |
B | 76.87% | C | 21.49% |
Free B | 0.32% | Free C | 0.49% |
Packaging & Delivery:
Packaging Details:
25 kg in poly-bag, 1000 kg in a big bag
Delivery Time:
Shipped in 7 days after payment