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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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