Industrial aluminium sulphate Industrial aluminium sulphate ????pecification??l2O3;16.0%min??e:0.45%max??H:3.0min??Water Insolubles??.15%max??Grain size:15mm max??lakys????I??pecification??l2O3;17%min??e:0.45%max??H:3.0min Water Insolubles??.15%max Grain size:2---5mm??Use: Used in papermaking , printing and dye , tanning leather , fire-fighting equipment , drug and wood preservation ,etc??Packing:PP/PE 50kg pp/pebag