fused alumina, silicon carbide , Ceramic Sand, tabular alumina, boron carbide, Foundry Sand
fused alumina, silicon carbide , Ceramic Sand, tabular alumina, boron carbide, Foundry Sand
White fused alumina for Glass Stone blasting
white aluminum oxide grit is a white abrasive made from industrial alumina powder (Al2O3) with a content of over 98% and a small amount of iron oxide and silicon oxide. It is a white abrasive which is melted at high temperature. Its hardness is slightly higher than that of brown corundum and its toughness is slightly lower. It is made by smelting and cooling above 2000 degrees in arc, grinding and shaping, removing iron by magnetic separation, and sieving into many kinds of granularity. It is compact in texture, high in hardness, and sharp in shape.
Typical Chemical composition(F60) | ||
AL2O3 | 99.40% | |
SiO2 | 0.15% | |
NA2O | 0.28% | |
Fe2O3 | 0.06% | |
CaO | 0.03% | |
Typical physical properties | ||
Color: | White | |
Hardness: | Mohs:9.0 | |
Maximum service temperature: | 1900 ℃ | |
Melting Point: | 2250 ℃ | |
Specific Gravity: | 3.95g/cm3 | |
Volume density | 3.6g/cm3 | |
Bulk density(LPD): | 1.55-1.95 g/cm3 | |
Particle shape: | Angular | |
Grains | 8# 10# 12# 14# 16# 20# 24# 36# 40# 46# 54# 60# 70# 80# 90# 100# 120# 150# 180# 220# |
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