Chemical Composition(%)
B?75-78%
C: 18-22%
Fe2O3:0.1-0.8%
B4C:90-94%
Physical Properties:
Color: Black Powder
Molecular Formula: B4C
Density & phase: 2.52g/cm3 Solid
Solubility In Water: Insoluble
Melting Point: 2450°C
Boiling point: 3500°C
Crystal Structure: Rhombohedral
Mohs Hardness:9.6
Micro Hardness: 4950kgf/mm2
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Application:
1,Used in double-face grinding of LED and thinning and polishing of sapphire based LED extending plates
2,Used in National Defense Industry
3. Used in Nuclear Industry
4,Used In refractories Industry
5,Used in other engineering ceramic materials