Specification：Al₂O₃;15.8-17%min；Fe:0.5%max；PH:3.0min；
Water Insolubles：0.15%max。
Grain size:15mm max（Flakys）
Use: Used in papermaking , printing and dye , tanning leather , fire-fighting equipment , drug and wood preservation ,etc。
Packing:PP/PE 50kg/bag