White Fused Alumina
White Fused Alumina for Precision Casting
White fused alumina is the high grade precision casting raw material , main crystal system is a-Al203, white colour. It is characterized by high volume density, low apparent porosity and thermal stability performance and so on. It is can be used for shell making material of heavy steel casting, especially the alloy casting,core sand,coating material and melt film precision casting.
|
Composition |
Al2O3 |
SiO2 |
Fe2O3 |
Na20 |
g/cm3 |
|
|
Specification |
≥99% |
≤0.15% |
≤0.15% |
≤0.4% |
≤8.0 |
≥3.5 |
Size：50-80mesh、70-140mesh、0-200mesh、0-320mesh
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