... : Al2O3; 15.8%min; Fe: 0.5%max; PH: 3.0min; Water Insolubles: 0.15%maxGrain size:15mm max(Flakys)(2 ... : Al2O3, 15.9%min, Fe: 0.007%max,PH:3.0min,Water Insolubles,0.15%maxGrain size: 15mm maxPacking: PP/PE ... sulfateSpecification: Al2O3,16%min, Fe:0.005%max,PH:3.0min,Water Insolubles:0.15%max,As:0.0005%max, Pb ... :Al2O3:15.7%min,Fe:0.5%max,PH:3.0min,Water Insolubles:0.15%maxSize:Below 10mesh-100mesh min; ...