ITEM: CARBORUNDUM
1.The HRC of GC is between the one of fused alumina and diamond;
2. Mechanical strength is greater than fused alumina;
3. High purity, Fragile. Hardness is 3288-3400 kg/mm2;
4. Physical properties is similar to black silicon carbide.
5. Good thermal conductivity and electrical properties.
Carborundum ( C ) is widely used to make coated or bonded abrasives , refractory, special ceramics, foam ceramic , etc. .
That also used for coating plastics additives, auto parts, military industry products, aviation industry products, etc.
The workable material by silicon carbide:
Low tensile strength material, for glass, china.
Sandblasting, dry grinding, free grinding as well as cutting and making jewelry, jade, agate.
Grinding of gray cast iron, white cast iron, bronze, brass, ore, bone, glass, leather, rubber, plastic and the thermal sensitive material.
Green silicon carbide is widely used to make coated abrasives or bonded abrasives. It also is used to produce advanced refractory products, electric products, electronic devices, etc.
The workable material by GC grinding wheel:
1. Hard alloy, glass, ceramic and non-metallic materials;
2. Semiconducting material, high-temperature silicon carbide heating element, far infrared source base material, etc.
The company supply top-grade silicon carbide, the types are F-series (F12 to F1500), JIS-series (JIS240-JIS10000).
CHEMICAL COMPOSITION OF GREEN
SILICON CARBIDE
Grit Size | Chemical Composition%(by weight) | ||
SIC | F.C | Fe2O3 | |
12# - 90# | ≥99.00 | ≤0.20 | ≤0.20 |
100# - 180# | ≥98.50 | ≤0.25 | ≤0.50 |
220# - 240# | ≥97.50 | ≤0.25 | ≤0.70 |
280# - 500# | ≥97.00 | ≤0.30 | ≤0.70 |
600# - 800# | ≥95.00 | ≤0.30 | ≤0.70 |
1000#- 1200# | ≥94.00 | ≤0.50 | ≤0.70 |
CHEMICAL COMPOSITION OF BLACK
SILICON CARBIDE
Grit Size | Chemical Composition%(by weight) | ||
SIC | F.C | Fe2O3 | |
12# - 90# | ≥98.50 | ≤0.20 | ≤0.60 |
100# - 180# | ≥98.00 | ≤0.30 | ≤0.80 |
220# - 240# | ≥97.00 | ≤0.30 | ≤1.20 |
280# - 500# | ≥96.00 | ≤0.40 | ≤1.50 |
600# - 1200# | ≥93.00 | ≤0.40 | ≤1.70 |