用途 Function | 规格 Specification | 主要化学成分% Main Chemical Composition% | 磁性物% Magnetic Material% | |||
Al2O3 | Na2O | SiO2 | ||||
磨料 | F | 12#—80# | ≥99.4 | ≤0.4 | — | ≤0.03 |
90#—150# | ≥99.3 | ≤0.4 | ≤0.03 | |||
180#—240# | ≥99.2 | ≤0.4 | — | ≤0.03 | ||
W | 1#-63# | ≥99 | ≤0.4 | ≤0.03 | ≤0.05 | |
耐火 | 段砂 Cut Wire | 0-1mm | ≥99.3 | ≤0.4 | ≤0.06 | ≤0.05 |
细粉 Fine Grit | 180#—0 | ≥99 | ≤0.4 | ≤0.1 | ≤0.03 |
项目 Item | 指标 Index |
颜 色 Color | 纯白色 white |
晶形 Crystal Form | 三方晶系 Trigonal system |
硬度(莫氏) Hardness(mohs) | ≥9.0 |
熔点(℃) Melting Point(℃) | 2250 |
最高使用温度(℃) Max Temperature(℃) | 1900 |
真密度(g/cm3) True Density(g/cm3) | ≥3. 90 |
线膨胀系数(0—1600℃) Linear Expansivity(0—1600℃) | 7—9 |
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