碳化硅,化学式为SiC,是用石英砂、石油焦(或煤焦)、木屑(生产绿色碳化硅时需要加食盐)等原料通过电阻炉高温冶炼而成。
碳化硅F标牌号有粒度砂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
其中粒度砂牌号对应颗粒直径范围如下
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%) |