Black fused alumina is characterized by low al2o3 and a certain amount of fe2o3 (10% more or less) content ,it is a new type abrasive material for polishing various metal.
Chemical composition
Grit size | Al2O3 | Fe2O3 | SiO2 | TiO2 |
10#-220#
| ＞78.0 | ＞5.0 | ＞9.00 | 1.5-3.5 |
240#-1000#
| ＞66.0 | ＞5.0 | ＞10.0 | 1.5-3.0 |
Usage Scope
Used for polishing stainless steel and non-ferrous metals.
Applicated for resin grinding wheels, cut-off wheels dicing tools and emery cloth.
