碳化硅,化學式為SiC,是用石英砂、石油焦(或煤焦)、木屑(生產綠色碳化硅時需要加食鹽)等原料通過電阻爐高溫冶煉而成。

碳化硅F標牌號有粒度砂F16 F20 F22 F24 F30 F36 F46 F54 F60 F70 F80 F90 F100 F120 F150 F180 F220 和微粉F230 F240 F280 F320 F360 F400 F500 F600 F800 F1000 F1200 F1500 F2000
其中粒度砂牌號對應顆粒直徑范圍如下
F16 | +2000um | 0 | +1400um | ≤20% | +1180um | ≥45% | +1180+1000um | ≥70% | -850um | ≤3% |
F20 | +1700um | 0 | +1180um | ≤20% | +1000um | ≥45% | +1000+850um | ≥70% | -710um | ≤3% |
F22 | +1400um | 0 | +1000um | ≤20% | +850um | ≥45% | +850+710um | ≥70% | -600um | ≤3% |
F24 | +1180um | 0 | +850um | ≤25% | +710um | ≥45% | +710+600um | ≥65% | -500um | ≤3% |
F30 | +1000um | 0 | +710um | ≤25% | +600um | ≥45% | +600+500um | ≥65% | -425um | ≤3% |
F36 | +850um | 0 | +600um | ≤25% | +500um | ≥45% | +500+425um | ≥65% | -355um | ≤3% |
F46 | +600um | 0 | +425um | ≤30% | +355um | ≥40% | 355+300um | ≥65% | -250um | ≤3% |
F54 | +500um | 0 | +355um | ≤30% | +300um | ≥40% | +300+250um | ≥65% | -212um | ≤3% |
F60 | +425um | 0 | +300um | ≤30% | +250um | ≥40% | 250+212um | ≥65% | -180um | ≤3% |
F70 | +355um | 0 | +250um | ≤25% | +212um | ≥40% | +212+180um | ≥65% | -150um | ≤3% |
F80 | +300um | 0 | +212um | ≤25% | +180um | ≥40% | +180+150um | ≥65% | -125um | ≤3% |
F90 | +250um | 0 | +180um | ≤20% | +150um | ≥40% | +150+125um | ≥65% | -106um | ≤3% |
F100 | +212um | 0 | +150um | ≤20% | +125um | ≥40% | +125+106um | ≥65% | -75um | ≤3% |
F120 | +180um | 0 | +125um | ≤20% | ≥40% | ≥40% | +106+90um | ≥65% | -63um | ≤3% |
F150 | +150um | 0 | +106um | ≤15% | +75um | ≥40% | +75+63um | ≥65% | -45um | ≤3% |
F180 | +125um | 0 | +90um | ≤15% | +75um | * | +75+63um | ≥40% | -53um | * |
F220 | +106um | 0 | +75um | ≤15% | +63um | * | +63+53um | ≥40% | -45um | * |
粒度 | D3(um) | D50(um) | D94(um) |
F230 | <82 | 53.0±3.0 | >34 |
F240 | <70 | 44.5±2.0 | >28 |
F280 | <59 | 36.5±1.5 | >22 |
F320 | <49 | 29.2±1.5 | >16.5 |
F360 | <40 | 22.8±1.5 | >12 |
F400 | <32 | 17.3±1.0 | >8 |
F500 | <25 | 12.8±1.0 | >5 |
F600 | <19 | 9.3±1.0 | >3 |
F800 | <14 | 6.5±1.0 | >2 |
F1000 | <10 | 4.5±0.8 | >1 |
F1200 | <7 | 3.0±0.5 | >1(at 80%) |
F1500 | <5 | 2.0±0.4 | >0.8(at 80%) |
F2000 | <3.5 | 1.2±0.3 | >0.5(at 80%) |