Grinding wheel uses silicon carbide 30# 36# 46# 60# black silicon carbide 98.5%
Black silicon carbide grain is produced in an electric-resistance type furnace through fusing quartz sand and petroleum coke with high temperature. Its hardness is between fused alumina and diamond. It has higher mechanical intensity than fused alumina.Black silicon carbide micro powder for metallurgy is acid pickled and syphoned to make sure less residual impurity.
TYPICAL CHEMICAL ANALYSIS | TYPICAL PHISICAL PROPERTIES | ||
SiC | ≥98% | Hardness: | Mohs:9.15 |
SiO2 | ≤1% | Melting Point: | Sublimes at 2250 ℃ |
H2O3 | ≤0.5% | Maximum service temperature: | 1900℃ |
Fe2O3 | ≤0.3% | Specific Gravity: | 3.2-3.45 g/cm3 |
F.C | ≤0.3% | Bulk density(LPD): | 1.2-1.6 g/cm3 |
Magnetic content | ≤0.02% | Color: | Black |
Particle shape: | Hexagonal | ||
AVAILABLE SIZES | |||
12# 14# 16# 20# 22# 24# 30# 36# 40# 46# 54# 60# 70# 80# 10# 12# 14# 16# 20# 22# 24# 30# 36# 40# 46# 54# 60# 70# 80# 90# 100# 120# 150# 180# 220# | |||
Black silicon carbide mean diameter of F-macrogrits sizes：
Grit designation | Mean diameter in um |
F12 | 1765 |
F14 | 1470 |
F16 | 1230 |
F20 | 1040 |
F22 | 885 |
F24 | 745 |
F30 | 625 |
F36 | 525 |
F40 | 438 |
F46 | 370 |
F54 | 310 |
F60 | 260 |
F70 | 218 |
F80 | 185 |
F90 | 154 |
F100 | 129 |
F120 | 109 |
F150 | 82 |
F180 | 69 |
F220 | 58 |