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Black aluminium oxide (Lower Aluminium Oxide Abrasive) is a new kind of abrasive fused from aluminum oxide material for applications such as polishing of stainless steel and non-ferrous metals, optical glass, bamboo and other materials. The black mineral has aluminum oxide's high hardness, adheres well to common bonding materials,and is tough but friable enough to cut well and can reduce heat generated during grinding.
Chemical Composition(%)
| Grit Size | Al2O3 | Fe2O3 | SiO2 | TiO2 |
| 10#-220# | >78.00 | >5.0 | >9.00 | 1.5-3.5 |
| 240#-1000# | >66.00 | >5.0 | >10.0 | 1.5-3.0 |
Advantages：
1.high qualtiy; 2,competitive price; 3.best service;4.all kinds of sizes
Applications:
1.Used for polishing of stainless steel and non-ferrous metals.
2.Widely used for grinding and polishing of optical glass, or other materials.
3.Applicated for resin grinding wheels, cut-off wheels, dicing tools and on emery cloth.
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