1. high quality 2. competitve price 3. al2o3 >99.2% 4. size: F20-F1000 5. pure white hot sale white fused alumina powder with different particle sizes as abrasive, precison casting, chemical refractory Application1.super refractory matter,abrasive,polishing,precision casting,grinding high carbon steel, high speed steel and chilled steelcatalyst carrier,special ceramics 2. precision casting, ...