Industrial Grade Aluminium Sulphate Specification: Al2O3:15.8%min; Fe:0.5%max; PH:3.0min Water Insolubles: 0.15%max Grain size:15mm max(Flakys) Application: Used in papermaking , printing and dye , tanning leather , fire-fighting equipment , drug and wood preservation ,etc Aluminium sulphate for water treatment Specification: Al2O3: 15.80%min; Fe:0.70%max; PH:3.0min Water Insolubles: 0.15%max ; As: 0.0005%max; Pb:0.002%max Grain size: 15mm max(Flakys) Application: Treatment for the drinking water and water for industrial use. Aluminium sulphate for paper making Quality index Quality (Al2O3)%≥ 15.6-17.0 (Fe)%≤ 0.4-0.5 Water Insolubles %≤ 0.2 PH(1%water solution)≥ 3.0 Non-ferric aluminium sulphate Specification: Al2O3: >17%; Fe:<0.005%; Insoluble matter in water: <0.15%; As:<0.0005%; Pb:<0.002% Granularity: <15mm PH:>3.0; Application: treatment of drinking water and industrial water, high-grade paper making and high-grade titanium pigment production. Quality standard : Item Technical Requirement Index (Grade A) Technical Requirement Index (Qualified Product) AL2O3 % ≥15.80 15.80 > Fe ≤0.005 0.004 Insoluble matter in water % ≤0.3 0.3 PH (1% solution) % ≥3.0 3.0 Granularity mm 15 15 Granular aluminium sulphate Specification: Al2O3:17%min; Fe:0.5%max; PH: 3.0min Water Insolubles: 0.15%max Grain size: 2---5mm Application: Used in papermaking , printing and dye , tanning leather , fire-fighting equipment , drug and wood preservation ,etc Powder aluminium sulphate Specification: Al2O3:15.8%min; Fe:0.5%-0.005%max; PH:3.0min Water Insolubles:0.15%max Size: Below 10mesh-100mesh min PACKAGE: 25Kg PP Woven Bags with PE Liner or according to customers requirement.