粉紅剛玉
化學成分
| 粒度範圍Grit size range/化學成分Chemical composition | 低鉻Low chromium | 中鉻Medium chromium | 高鉻High chromium | ||||||
| 三氧化二鋁 （%） | 三氧化二鉻 （%） | 氧化鈉 （%） | 三氧化二鋁 （%） | 三氧化二鉻 （%） | 氧化鈉 （%） | 三氧化二鋁 （%） | 三氧化二鉻 （%） | 氧化鈉 （%） | |
| F12~F80 | ≥98.50 | 0.20~0.45 | ≤0.50 | ≥98.20 | 0.45~1.00 | ≤0.55 | ≥97.40 | 1.00~2.00 | ≤0.55 |
| F90~D150 | ≥98.50 | ≤0.55 | ≥98.20 | ≤0.60 | ≥97.00 | ≤0.60 | |||
| F180~F220 | ≥98.00 | ≤0.60 | ≥97.80 | ≤0.70 | ≥96.50 | ≤0.70 | |||
物理性能/Physical property
| 基本礦物 基本礦物質 | 晶體尺寸 晶體尺寸 | 真比重 真密度 | 堆積密度 堆積密度 | 顯微硬度 結硬度 |
| ～AL2O3 | 600~2000μm | ≥3.90 | 1.40~1.91G/cm3 | 2200~2300公斤/平方毫米 |
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