rs vice-white fused alumina size sand (barmac plastic) and micropowder (acid washing) produced by rui shi plant is characterized by without bursting, without pulverising and high bulk density, good flow property etc, which can be widely used to manufacture variety of shaped refractory material products, corundum castable refractory,and other monholithic bulk refractory and caustic-burned corundum refractory products. rs vice-white fused alumina:chemical composition(%): al2o3:98.0%min fe2o3:0.5%max sio2:1.0%max tio2:1.2%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 helen(at)rs-abrasive.com contact person: ms. liang xiaofei(sales manager) tel:+86 379 65285888-0 13015581246 fax:+86 379 66285889