semi-friable fused alumina is low titanium brown fused alumina. we call semi-friable fused alumina. it has higher hardness and friability ability compaired with brown fused alumina.it offers good cutting performance in fast and can be widely used in bonded abrasives for working with heat sensitive metals and alloys,soft non-ferrous metals and rubber plastic,wood etc. semi-friable fused alumina chemical composition(%): al2o3: 97.5min fe2o3:0.15max sio2:0.5max tio2:1.5max 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