Refractory Bricks
WFA white fused alumina/ alumina oxide/corundum

WFA white fused alumina/ alumina oxide/corundum

White fused alumina/WFA

White fused alumina/WFA is a high-quality raw material, made of fused refining crystal, high purity, self-sharpening, good acid and alkali resistance, high temperature, thermal properties and stability it is slightly higher than the corundum hardness, toughness slightly lower, high purity, good self-sharpening, grinding ability, heat, high efficiency, acid corrosion, high temperature thermal stability. Made with the abrasive, for grinding high-carbon copper, high-speed steel.

Product

White Fused Alumina

Main crystal body

Al2O3

Color

White

Al2O3

99.55%Min

SiO2

0.2%Max

NaO2

0.4%Max

Fe2O3

0.2%Max

True density

3.93g/cm3

Bulk density

1.93g/cm3

BULK DENSITY

1.75-1.95g/cm3

Mohs hardness

9

Micro hardness

21600-22600kg/mm3


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