PRODUCTS

WHITE CORUNDUM 100F 200F 325F FINE POWDER FOR REFRACTORY 28181090

WHITE CORUNDUM 100F 200F 325F FINE POWDER FOR REFRACTORY 28181090

WHITE CORUNDUM 100F 200F 325F FINE POWDER FOR REFRACTORY 28181090

Brief introduction of White corundum

 

White corundum was made from the high quality alumina by melting above 2200℃ in the electric arc furnace and cooling.

White corundum is white with the main crystal phase alpha-Al2O3.

White corundum produced in titling electric arc furnace has the advantage of high bulk density and low porosity and the volume stability and thermal shock resistance can be improved.

 

Physical and Chemical Composition

 

Physical Properties
Hardness: micro21600-22600kg/mm3
Hardness: Mohs9.0 min
Specific Gravity3.95-3.97g/cm3
Bulk Density1.65-2.05g/cm3
Particle ShapeBlocky, Sharp
Colorwhite
Chemical compositions
Al2O399.40min
SiO20.15max
Na2O0.28max
Fe2O30.06max
CaO0.03max

 

Applications

 

Refractory castables

Bonded abrasive tool

Coated abrasive tool

Reusable abrasive

Grinding,lapping & polishing medium

Raw material for foundry ,coating or paints

Resin/Ceramic grinding wheels & grinding media

 

Typical Size

 

Fraction sand or powder
Grit designationPassing rate %
0-1mm90
1-3mm90
3-5mm90
100 mesh90
200 mesh90
320 mesh90

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