white fuese alumina for sandblasting is mainly used for various material workpieces to decontaminate, derusting, prevent corrosion, remove oxide skin, light- decorate , process pattern effect and so on. white fused alumina chemical composition: al2o3:99%min na2o:0.5%max cao:0.5% max magnetic material content(%):0.003 %max we have strict control about company & quality;our service is full-around and first-class. so we¡¯re you wise choice.don¡¯t hesitate to contact us contact person: ms. liang xiaofei(sales manager) helen(at)rs-abrasive.com