brown fused alumina 20#
Quick Detail
- Minimum order:1
- Place of Origin:Zhengzhou City
- mosh hardness:8.9
- bulk density:1.53-1.99
- specific gravity:3.6-3.9
- melting point:2250
- maximum service temperature:1900
- color:brown
Specifications
Chemical Composition
| Sectional sands | Fines | Grains | Micro powder | |
| Al2O3 | ≥95% | ≤92% | ≤95% | ≤92% |
| SiO2 | ≥1.5% | ≤2% | ≤1.5% | ≤2% |
| Fe2O3 | ≥0.5% | ≤0.55% | ≤0.5% | ≤2% |
| TiO2 | ≥3% | ≤3.3% | ≤3% | ≤4% |
Characteristics
1. high purity
2. crystallization is good.
3. Strong liquidity
4. Low coefficient of linear expansion
5. corrosion resistance
6. high temperature resistance
7. high strength
Production process
Brown fused alumina is made of bauxite/anthracite coal, and melted in electric-arc furnace of high temperature more than 2000 degrees.
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Application
1. Sand blasting for aluminum profile/Copper material/Glass/Washed jeans/precise mould
2. Grinding for kinescope/glass/monocrystalline silicon/ lens/jade ware
3. Abrasion-proof material for expressway/airstrip/dock/parking lot/stadium
4. Bonded abrasives and Coated abrasives
5. Surface preparation and finishing
6. Thermal Spraying(Plasma Spraying)
7. Super Refractory, Ceramics and Tiles
8. Lapping &Micro-blasting applications.
