brown fused alumina is characterized by its high purity, high bulk density, strong self-sharpening, good toughness, ultra-low content of the magnetic materials. it can be made into grinding tools that is characterized by sharp grinding, low heat generation ratio, high grinding rate and few coating in the using course, and the sintering grinding tools that is characterized by deep blue color after firing, without resillage, without rust and so on, rs brown fused alumina is applicable to make ceramic and resinoid high bonded abrasive tools, grinding abrasive and polishing materials, as well as producing the high grade refractory materials. 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 we can produce 80,000 tons annually. our products include brown fused alumina95%, brown fused alumina98%,white fused alumina, black fused alumina, compact fused alumina, semi-friable fused alumina, micro crystalline fused alumina, calcium aluminate etc. brown fused alumina chemical composition: al2o3:95%min fe2o3:0.3%max sio2:1.5%max tio2:3.0%max magnetic material content(%) :0.05%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 tel:+86 379 65285888-0 13015581246 fax:+86 379 66285889