zirconia fused alumina is produced by putting rich aluminum, zirconium materials and additives in electric arc furnaces, smelting with high temperature above 2000¡æ, cooling down with special technology, and compacting with barmac plastic, which has the characteristics of tenacious texture, dense sturcture and high strength. this product is a kind of senior abrasive. it takes the advantages of high strength, high toughness, high temperature resistance, which can manufacture heavy-duty wheel with high performance, and has achieved very good results in grinding steel, cast iron, heat-resistant steel, titanium alloys, nickel alloys, aluminum alloys and tungsten alloy. if you have any requirement, please don't hesitate to inform us. melodyyangmei@hotmail.com. hope we can establish stable long terms business relationship with each other. sales manager: melody yang tel:86-379-65285886-804 mobile phone:13849906514 fax:86-379-65285889 http://www.ycrs.com.cn specification chemical composition(%) grit size al2o3 zro2 tio2 sio2 za40 50-60 38-44 1.0max 0.5max za25 68-72 24-30 1.0max 0.5max