Product description
Brown fused alumina with high quality bauxite as raw material, anthracite coal, iron, clouds, made more than 2000 degrees high temperature melting, hitches in arc through the mill grinding plastic, magnetic separation to iron, screen is divided into a variety of particle size, dense texture, high hardness, particle formed globular, high consolidation is suitable for making ceramic, resin abrasive and grinding, polishing, sandblasting, precision casting, etc., can also be used for manufacturing high-grade refractory materials.
chemical component
| Product Name | Brown fused alumina |
| Material | Bauxite |
| Color | Brown |
| Standard | FEPA JIS |
| Grade | A/B/C |
| Mohs Hardness | 9.0 |
| Bulk Density | 1.53-1.99g/cm3 |
| Specific Gravity | 3.95 g/cm3 |
Grade A: brown red, black granular, mainly used in precision casting, wear-resistant materials, the industry with higher requirements for abrasive, such as grinding wheel manufacturing fine polishing, brown corundum grinding wheel is the most important type of grinding tools.The grinding wheel is a porous body made by adding binder to the abrasive, pressing, drying and roasting.Because of the difference of abrasive, binder and manufacturing process, the characteristics of grinding wheel are very different.The characteristics of grinding wheel are mainly determined by abrasive, strength, binder, hardness, structure, shape and size and other factors.
| GRADE A | |
| CHEMICAL COMPOSITION (%) | |
| Al2O3 | 92.0-96.0 |
| Fe2O3 | 0.1-0.8 |
| SiO2 | 1.0-2.0 |
| TiO2 | 3.0-4.0 |
Grade B: black granular, mainly used for sand blasting, polishing, grinding, corrosion and rust removal, stone carving, gauze materials, cutting pieces.Such as workpiece surface cleaning, workpiece surface coating before the pre-treatment, change the physical and mechanical properties of the workpiece, the workpiece surface finishing.
| GRADE B | |
| CHEMICAL COMPOSITION(%) | |
| Al2O3 | 70-80 |
| Fe2O3 | 8-15 |
| SiO2 | 2-5 |
| TiO2 | 3-5 |
Grade C: black granule grey powder, suitable for all kinds of floor sand.For example, the airport runway, playground, and factory wear floor.
| GRADE C | |
| CHEMICAL COMPOSITION (%) | |
| Al2O3 | 55-65 |
| Fe2O3 | 12-20 |
| SiO2 | 15-25 |
| TiO2 | 4-6 |
Application
1.Aggregate for high-quality refractory materials (shaped and non-shaped)
2.Raw material for refractory brick
3.Abrasive material
4.High end refractory products for the steel, foundry , and glass industry
5.Bonded abrasives and Coated abrasives
6.Surface treatment/finishing
7.lapping, polishing,decorative non-skid tile, and pressure blasting.
8.Ceramic Tiles special ceramics
9.Fluidized Bed Furnaces and Skin / Dental Care
10.grinding high carbon steel, high-speed steel and chilled steel
