厚度 | 宽度mm | 长度m | 密度g/cm3 | |
卷材 | 板材 | 100-1030 | 1-500 | 0.7-1.5 |
0.15-1.5 | 0.2-0.3 |
项目 | A级 | B级 | C级 | D级 |
含碳量% | 99 | 99 | 99 | 98 |
含硫量PPM | ≤500 | ≤1000 | ≤1300 | ≤1500 |
含氯量PPM | ≤35 | ≤40 | ≤45 | ≤50 |
密度公差g/cm3 | ±0.05 | ±0.05 | ±0.06 | ±0.07 |
厚度公差mm | <1±0.03;1-1.5±0.05;>1.5±0.1 | |||
压缩率% | ≥40(密度1.0g/cm3时) | |||
回弹率% | ≥10(密度1.0g/cm3时) |
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