粒度:F24 F30 F36 F46 F54 F60 F70 F80 F90 F100 F120 F150 F180 F220 F240 F280
W50 W40 W28 W20 W14 W10 W7 W5 W3.5 W2.5 W1.5 W1
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化学成分
|
|
成分
|
F12~F80
|
F90~F150
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F180~F220
|
|
低铬
|
AL2O3
|
≥98.5%
|
≥98.5%
|
≥98.0%
|
|
Cr2O3
|
0.20-0.45%
|
0.20-0.45%
|
0.20-0.45%
|
|
NA2O
|
≤0.50%
|
≤0.55%
|
≤0.60%
|
|
中铬
|
AL2O3
|
≥98.2%
|
≥98.2%
|
≥97.8%
|
|
Cr2O3
|
0.45-1.0%
|
0.45-1.0%
|
0.45-1.0%
|
|
NA2O
|
≤0.55%
|
≤0.60%
|
≤0.70%
|
|
高铬
|
AL2O3
|
≥97.4%
|
≥97%
|
≥96.5%
|
|
Cr2O3
|
1.0-2.0%
|
1.0-2.0%
|
1.0-2.0%
|
|
NA2O
|
≤0.55%
|
≤0.60%
|
≤0.70%
|
|
物理性能
|
|
基本矿物
|
α-Al2O3
|
|
晶体尺寸
|
600-800 μm
|
|
莫氏硬度
|
9
|
|
努普硬度
|
2200-2300 kg/cm3
|
|
熔点
|
2050 ℃
|
|
比重
|
3.9-4.1g/cm3
|
|
堆积密度
|
1.40-1.91 g/cm3
|
|
颜色
|
粉色
|
|
晶型
|
多棱型
|