Description

White fused alumina used for refractory

Size: 0-1mm,1-3mm,3-5mm,5-8mm,8-12mm, can customized according to customer's need.

 

White fused alumina chemicial composition: 

Al2O3≥99%

SiO2≤0.03%

Fe2O3≤0.05%

Na2O≤0.4%

Specification

color  white
crystal shape
Trigonal crystal system
Hexagonal crystal shape
hardness(mohs) ≥9.0
melting point(℃) 2250
max temperature(℃) 1900
true density(g/cm3) ≥3.90
linear expansivity (0-1600℃) 7-9
chemical indexs two nature

 

 

Specification Coarse particle Medium particle Powder
Mesh size(mm) Mass percent ofoversize(%)  Mass percent(%)  Mesh size(mm) Mass percent ofundersize(%)
8-5 8 ≦8 83 5 ≦9
5-3 5 3
3-1 3 1
1-0 1 0.075 ≦10a

 

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