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Brown Fused Alumina (BFA)

Made from high-quality bauxite in an electric arc furnace. Known for its extreme toughness and high volume density. Excellent for abrasive tools and sandblasting.

Al2O3 Content≥95.0%
ColorBrown
Mohs Hardness9.0
Main ApplicationsAbrasive wheels, sandblasting, polishing, refractories

White Fused Alumina (WFA)

Produced from industrial alumina powder. It features high purity, high self-sharpening ability, and strong cutting force.

Al2O3 Content≥99.0%
ColorWhite
Mohs Hardness9.0
Main ApplicationsPrecision casting, surface processing, lapping, coated abrasives

Pink Fused Alumina (PA)

Also known as Chromium Corundum. The addition of Chromium Oxide (Cr2O3) gives it a distinctive pink/ruby color and significantly increases its toughness.

Al2O3 Content≥98.0%
Cr2O3 Content0.2% - 2.0%
Mohs Hardness9.0
Main ApplicationsMeasuring tools, instrument parts, thread grinding

Black Fused Alumina

A dark grey crystalline material characterized by lower Al2O3 and higher Fe2O3 content, known for moderate hardness and excellent toughness.

Al2O3 Content65% - 85%
ColorBlack / Dark Grey
Mohs Hardness8.0 - 9.0
Main ApplicationsPolishing stainless steel, anti-slip roads, sandblasting

Single Crystal Fused Alumina

Produced through a special process resulting in monocrystalline particles without grain boundaries. Highly resistant to crushing.

Al2O3 Content≥99.0%
Particle ShapeOutstanding specific edge profile
Cutting EfficiencyUltra-high
Main ApplicationsGrinding very hard metals, aerospace alloys, precision grinding wheels