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Black fused alumina for resin sand wheel making

Product: Black fused alumina

Raw material: Bauxite

Color: Black

Usage: Sand wheel making

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

Packing: 25kg/bag

Description

Black fused alumina also known as black corundum, kind of gray-black crystal with α-Al2O3 and iron spinel as the main ore phase produced by melting aluminum bauxite in an electric arc furnace, it has the characteristics of moderate hardness, high toughness, high temperature resistance and stable thermal performance. Black fused alumina are always used for sand wheel making.

Features of Black fused alumina

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

Application of Black fused alumina

  • Resin sand wheel making

Black Fused Alumina Oxide Chemical Analysis:

SpecificationsMain Chemical Composition %
Al2O3Fe2O3SiO2
BA—181—859—11≤8
BA—275—8010—12≤10

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