White fused alumina for Refractories

White fused alumina electrically fused in arc furnace with high grade processed alumina as raw material.
Description Package
White fused alumina for Refractories:
 
Item Specification
Colour white
Crystal System trigonal system
Mohs Hardness 9
Melting Temperature(℃) 2150
Refractory Temperature(℃) 1950
True Density 3. 50

White fused alumina electrically fused in arc furnace with high grade processed alumina as raw material.
It is  characterized by high hardness,
high purity, acid and alkali resistance, good thermal stability. 
It
s the high grade refractory material.

White fused alumina :
 
Purpose Specification Chemical composition(%) Magnetic material content(%)
Al2O3 Na2O SiO2 CaO
For refractory Size sand 0-1mm
1-3mm
3-5mm
5-8mm
8-12mm
99.0Min 0.4 Max ----- 0.002 Max
Fine powder 180#-0
220#-0
325#-0
99.0Min ---- ----- 0.002Max
 

            

             


 

 


 

 

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