Brown Fused Alumina is mainly used as a recyclable abrasive in blasting. Brown aluminum oxide is a very hard and sharp abrasive that cleans rapidly. It leaves a sharp anchor profile prior to coating and is suitable for removal of scale, rust and old coating layers.
Because of its low iron content,brown fused alumina is often used in blasting operations where iron contamination on the non-ferrous metal substrate is not allowed.
In auotomotive line, the brow fused alumina mainly use as the blasting media to blast the hub wheel, the auto accessories. the main size are :F36 F46 F60
SIZE | AL2O3 MIN | SIO2 MAX | TIO2 MAX | Fe2O3 MAX |
12#-80# | 94.5-97% | 0.6-0.8% | 1.5-3% | 0.12-0.2% |
100#-180# | 93.5% | 0.7-1% | 1.5-3.8% | 0.15-0.25% |
240#-280# | 92% | 0.85-1.1% | 1.5-3.8% | 0.18-0.35% |