... and Grinding wheel F8 -3000 JIS240-10000 Specifications White fused alumina 1,Manufacturer-direct sale 2,High purity of Al2O3 3,Hot ... sale overseas--India,Korea,UAE,Germany... 1.Brief Introduction White Fused ... 0.03Max Na2O 0.22Max 3. Applications - Production of white even color grinding tools and instruments with ceramic, resinous, magnetite ...