Moderate Aluminium Oxide Black Blasting Media for Polishing Stainless Steel Tableware
1. Product Description of Aluminum Oxide Black
Black Aluminum Oxide is one special artifical corundum, it selects the high iron bauxite, highalumina bauxite as main raw materials,then smelted in the electric arc furnace completely,finally made into different grit size after series of processes.
It contians at least 62% Al2O3,which is similar to the second grade brown aluminum oxide,while it is different from the 2rd grade brown aluminum oxide,since it is one kind of artifical corundum made by special process,which has stable chemical composition and crystal structure,while the 2rd brown aluminum oxide is the non qualified products of top quality of brown aluminum oxide.
2.Main Technical Data of Aluminum oxide Black
| Commodity | Main Chemical Index |
| Al2O3 | Fe2O3 | SiO2 | TiO2 |
| Oridinary | ≥62 | 6-12% | ≤25% | 2-4% |
| Top Quality | ≥80 | 4-8% | ≤10% | 2-4% |
| Main Physical Index |
| Color | Black |
| Crystral Structure | Trigonal |
| Mohs Hardness | 8.0-9.0 |
| Vicker Hardness | 2000-2200kg/mm2 |
| Specific Gravity | ≥3.5g/cm3 |
| Bulk Density | 1.68-1.22 g/cm3 |
| Grit Size(Oridinary) | F12-F240#,F260-F400# |
| #325-0,#500-0 ,#1000-0 |
| Grit Size(Top Quality) | F12-F240 F280-F1000 |
| Product Standards | GB/T Standard,FEPA Standard
Special products can be customized |
3. Main Features:
Moderate hardness,little heat generated in the processing,not easy to burn the treatment surface;
Strong cutting force and good self-sharpening to improve the cutting or polishing efficiency;
Cost is much lower than other abrasives(aggregate) with equivalent performance.
4. Main Applications:
Polishing the stainless steel tableware
Making Resin Cutting Discs mixed with brown aluminum oxide
Making Coated Abrasives such as sandblets,flapwheels etc.
Polishing Wax
Sandblasting to remove the rust,oxide-scale,oil stain etc.
Paving Anti-slip roads
5.Why Choose us?
China Largest Black Fused Alumina Manufacturer,over 20 years production experience;
Occupies more than 60% Domestic Black Fused Alumina marketing;
The Stable Supplier of Saint-gobain Group and Forsoc Group;
Products in good quality and stable performance,quick delivery,professional service before&after sales.
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Trigonal Crystral Black Aluminum Oxide Abrasive For Polishing Stainless Steel Tableware Images
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