Black Silicon Carbide

imageFeatures: Black silicon carbide is very hard, sharp and brittle. Its grain edges are sharp and it is of a certain capacity of heat transmission.

Application: Black silicon carbide is ideally suited for grinding cast iron, non-ferrous metal, rubber, leather, stones, and wood etc. It is also can be used as high grade refractory material.

Our silicon carbide abrasive grains are manufactured according to the standards as follows:

  1. FEPA--for bonded abrasive tools F8-F2000
  2. FEPA--for coated abrasive tools P12-P2500
  3. JIS abrasive grain size: # 8--# 8000
Physical Characteristics
Item Green Silicon Carbide
Basic mineral ∝-SiC
Crystal color Black
True Density >3.12g/cm3
Bulk density 1.45-1.56g/cm3
Mohs hardness 9.15
Knoop Hardness 3100-3280kg/mm2
Grit SiC F.C. Fe2O3
F12~F90 ≥ 98.50 < 0.20 ≤ 0.60
F100~F150 ≥ 98.00 < 0.30 ≤ 0.80
F180~F220 ≥ 97.00 < 0.30 ≤ 1.20
F230~F400 ≥ 96.00 < 0.40 ≤ 1.20
F500~F800 ≥ 95.00 < 0.40 ≤ 1.20
F1000~F1200 ≥ 93.00 < 0.50 ≤ 1.20
P12~P90 ≥ 98.50 < 0.20 ≤ 0.60
P100~P150 ≥ 98.00 < 0.30 ≤ 0.80
P180~P220 ≥ 97.00 < 0.36 ≤ 1.20
P230~P500 ≥ 96.00 < 0.40 ≤ 1.20
P600~P1500 ≥ 95.00 < 0.40 ≤ 1.20
P2000~P2500 ≥ 93.00 < 0.50 ≤ 1.20

Note: Special requirements on chemical composition can be satisfied through discussion.

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