Aluminum Oxide for Polishing
Aluminum oxide sand/fines/grains/grits/powder in abrasive is made of high-quality bauxite, iron filings and anthracite in high temperature arc. It is crushed and shaped by self-grinding machine, magnetically removed and sieved into various particle sizes. The main chemical composition is AL2O3, which is 94.5%- -97%, additionally containing a small amount of Fe, Si, Ti, and the like. Its texture is compact, high hardness, brown, toughness, and spherical shape. It is suitable for the manufacture of ceramics, resin high-density abrasives, grinding, polishing, sandblasting, precision casting, refractory materials, etc.Aluminum oxide for sale
Chemical Composition(Brown aluminium oxide sand/fines/grains/grits/powder in abrasive)
Al2O3 | ≥95% |
SiO2 | ≤1.5% |
Fe2O3 | ≤0.5% |
TiO2 | ≤3% |
Main Physical Properties (Brown aluminium oxide sand/fines/grains/grits/powder in abrasive)
Color | Brown |
Moh’s hardness | ≥9.0 |
Melting point | 2250℃ |
The maximum temperature | 1900℃ |
Specific gravity | 3.95 |
Bulk density | 1.53-1.99c/cm3 |
Real density | ≥3.90c/cm3 |
Application
Refractory,Casting etc
Bonded abrasives and Coated abrasives
Surface treatment/finishing
Lapping, polishing,decorative non-skid tile, and pressure blasting
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