White Corundum is one of the principal blasting abrasives

White fused corundum abrasives is made from high quality alumina by being melted above 2000°C in the electric arc furnace. It is characterized by high purity, great self-sharpening, acid and alkali resistance, high temperature resistance and stable thermal performance. Its hardness is a little higher than brown fused alumina. It is with low toughness, great grinding ability, small heat and high efficiency. White fused corundum abrasives can be made into all kinds of abrasives, suitable for grinding high carbon steel, high speed steel, stainless steel and other fine-grained abrasives; it can be also used for precision casting and high-refractory materials。

Data for White fused corundum abrasives :

Model: White fused corundum abrasives

Chemical compositions

Physical properties

Items

Value of specification(%)

Items

property

Al2O3

99.2min

Color

White

SiO2

0.1max

Bulk density

1.93g/cm3

NaO2

0.35max

True density

3.93g/cm3

Fe2O3

0.06max

Hardness

Morse hardness

9

Micro hardness

21600-22600kg/mm3

Usage

Sandblasting material

Content of magnetic substance

0.0023%max

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