Home/Abrasive Material, Black corundum, Corundum/Black fused alumina for sand paper making

Black fused alumina for sand paper making

Product: Black fused alumina

Raw material: Bauxite

Color: Black

Usage: Sand paper making

Common size: 16 24 36 46 60 80 120 mesh etc.

Packing: 25kg/bag


Black fused alumina, with moderate hardness, bigger toughness and wear-resisting sharp edges ; it will generate less calorific value during grinding and increase the pure degree of polishing machining, the polishing performance of Black fused alumina is much higher than other similar products, well applied in sand paper producing.

Characteristic of Black fused alumina

  • Moderate hardness
  • High toughness
  • Temperature resistance
  • Stable thermal performance

Application of Black fused alumina

  • Sand paper making

Specification of Black fused alumina

Item Indicators
Color Black
Crystal Trigonal system
Hardness (Mohs) ≥ 9.0
Melting point (°C) 2050
The maximum temperature (°C) 1850
True Density (g/cm3) ≥ 3. 50
Al2O3% 70-85
Fe2O3% 10
SiO2 8

Related Products

Go to Top