GB/T 2480-1996 | 化学成分（重量百分比%） | |||
牌号 | 粒 度 | SiC | F.C | Fe2O3 |
GC | 20#~90# P12~P100 | ≥99.00 | ≤0.20 | ≤0.20 |
100#~150# P120~P150 | ≥98.50 | ≤0.25 | ≤0.50 | |
180#~220# P180~P220 | ≥97.75 | ≤0.25 | ≤0.70 | |
W63~W20 P240~P1000 | ≥97.00 | ≤0.30 | ≤0.70 | |
W14~W10 P1200 | ≥95.50 | ≤0.40 | ≤0.70 | |
W7~W5 | ≥94.00 | ≤0.50 | ≤0.70 | |
GC-B GC-P | 20#~90# P12~P100 | ≥98.50 | ≤0.25 | ≤0.55 |
100#~150# P120~P150 | ≥98.00 | ≤0.30 | ≤0.25 | |
180#~220# P180~P220 | ≥97.00 | ≤0.30 | ≤0.80 | |
W63~W20 P240~P1000 | ≥96.50 | ≤0.35 | ≤0.80 | |
W14~W10 P1200 | ≥94.50 | ≤0.45 | ≤0.80 | |
W7~W5 | ≥93.00 | ≤0.60 | ≤0.80 | |
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