Boron Carbide B4C

Boron Carbide B4C     Chemical Composition(%) B：78-81% C: 17-22% Fe2O3:0.2-0.4% B4C:97-99%   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  , 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 Available Sizes F60 F70 F80 F90 F100 F120 F150 F180 F220 F230 F240 F280 F320 F360 F400 F500 F600 F800 F1000 F1200 F1500 F2000

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