
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
Main Physical Properties
| COLOR | BROWN |
| MOHS HARDNESS | ≥8.9 |
| MELTING POINT | 2250℃ |
| THE MAXIMUM TEMPERATURE | 1900℃ |
| SPECIFIC GRAVITY | 3.95 |
| BULK DENSITY | 1.53-1.99g/cm³ |
| REAL DENSITY | ≥3.90g/cm³ |
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% |
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.