... 99.55min 3,Competitive price 4.Manufacturer White fused aluminum oxide is made with an electric furnace from ... has higher hardness and slightly lower toughness than brown fused aluminum oxide. Characterized by its high purity, ... , F180, F220 The physical and chemical analysis:white fused aluminium oxide grit 12Chemical compositionsPhysical propertiesItemsValue of specification(%)ItemspropertyAl2O399. ...