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Brown corundum grit/ powder for glass grinding

Product: Brown fused alumina powder/ grit

Raw material: Bauxite

Color: Brown-red

Usage: Fine grinding


Packing: 25kg/bag


Brown fused alumina is made by high quality bauxite as main material, fusing and purifying in a pouring electrical at a temperature of over 2200 °, and made into different grain size through crystal, choosing, crashing, magnetic, separating, screening, washing and acid washing, etc. With suitable hardness, it can be used for grinding material to deal with watch surface or glass etc.

Advantages of BFA

  • High hardness
  • Crystallinity
  • Good fluidity
  • Little adhesion
  • No detenate, crack, and pulverization during use

Usage of BFA

  • Sand paper
  • Abrasive cloth

Common Size

16,20,24,30,36,46,60,80,100,120,150,180,200,220 mesh

Datasheet of BFA

Main indicators density appearance use
AL203 Fe2O3 SiO2
≥95 ≤0.3 ≤1.5 3.85 Brown-red grit Refractory fine cast

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