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 |
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化学成分 |
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粒度 |
Al2O3 |
Fe2O3 |
SiO2 |
Cao |
MgO |
K2O |
Na2O |
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W50 |
≥99% |
≤0.1% |
≤0.1% |
≤0.1% |
≤0.1% |
≤0.1% |
≤0.4% |
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物理成分 |
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堆积密度(Bulk density) |
体积密度(Specific Grity) |
莫氏硬度(Mohs Hardness) |
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1.75-1.95g/cm3 |
≥3.90g/cm3 min |
≥9 |
超细白刚玉微粉W50: