58um60um63umW63W50W40研磨纸用白刚玉微粉 微粉级白刚玉
白刚玉W50微粉理化指标:
微米级白刚玉理化指标 | |||||||||
化学成分 | |||||||||
粒度 | Al2O3 | Fe2O3 | SiO2 | Cao | MgO | K2O | Na2O | ||
W50 | ≥99% | ≤0.1% | ≤0.1% | ≤0.1% | ≤0.1% | ≤0.1% | ≤0.4% | ||
物理成分 | |||||||||
堆积密度(Bulk density) | 体积密度(Specific Gravity) | 莫氏硬度(Mohs Hardness) | |||||||
1.75-1.95g/cm3 | ≥3.90g/cm3 min | ≥9 |
**细白刚玉微粉W50: