zirconia fused alumina is produced in a high temperature electrical arc furnace by fusing zirconium quartz sand. zirconia fused alumina is characterized by hard and dense structure,high toughness and good thermal-stability. zirconia fused alumina is suitable for heavy grinding and making high grade refractory materials etc. furthermore, our company , henan ruishi special refractory co., ltd. is established according to the modern management in 1993. as one of the main manufacturers and exporters for abrasive, refractory materials and metallurgy industry in china. we have six plants (one fused plant ,three processing factories, one special refractory material plant,one metallurgy material plant,one acid washing and water washing plant, and sales department ).we can produce 80,000 tons annually. our products are main exported italy, france, russia, american, japan, spain ,canada ,korea and so on. zirconia fused alumina: chemical composition(%) za40 : al2o3: 50-60% zro2:38-44% sio2 :0.5%max tio2:1.0%max fe2o3:0.2%max za25: al2o3: 68-72% zro2:24-30% sio2 :0.5%max tio2:1.0%max fe2o3:0.2%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