联系人:陈攀
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地址:河南郑州荥阳市高村工业园
Hardness: HV/维氏硬度 | 3280-3400kg/mm2 |
Hardness: Mohs/莫氏硬度 | 9.4-9.5 |
Specific Gravity/比重 | 3.2 g/cm3 |
Particle Shape/颗粒形态 | Fine powder/细小粉末 |
Color/颜色 | Green/绿色 |
Bulk density(LPD)/堆积密度 | 1.2-1.6 g/cm3 |
Crystal shape/晶型 | Hexagonal/六方晶型 |
Melting Point/熔点 | dissociated at about 2600°C/2600°C游离 |
Maximum service temperature/使用温度上限 | 1900°C |
Thermal conductivity/导热系数 | 0.013 cal/cm2.sec (900°C) |
Thermal expansion coefficient/热膨胀系数 | 7-9 x10-6 /°C (0-1600°C) |
Chemical Item/化学成分 | Guarantee Value/保证值(%) | Typical Value/典型值(%) |
SiC/碳化硅 | ≥99% | 99.35 |
Free Si/游离硅 | ≤0.30 | 0.10 |
Free C/游离碳 | ≤0.20 | 0.07 |
Fe2O3/三氧化二铁 | ≤0.40 | 0.09 |
SiO2/二氧化硅 | ≤0.30 | 0.18 |
Grit粒度 | Mesh# | Mesh size(um) | Weight Standard(%) | Typical Value(%) |
Coarsest Grit最粗粒 | +18 | 1000 | 0 | 0 |
Coarse Grit粗粒 | +25 | 710 | Max. 25 | 8.1 |
Basic Grit基本粒 | +30 | 600 | Min. 45 | 49.6 |
Mixed Grit混合粒 | +30 +35 | 600 500 | Min. 65 | 86.2 |
Fine Grit细粒 | -40 | 425 | Max. 3 | 0.8 |
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