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
3, Application
Used in double-face grinding of LED and thinning and polishing of sapphire based LED extending plates
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