... Suphfate MOQ:1MT Aluminium Sulphate Water Treatment Al2 (SO4)3 15.8%,16%,17% 1) Technical Index Aluminium Sulphate 17% ITEMSPECIFICATIONRESULTAluminum oxide ... .007%max, pH: 3.0min, Water Insolubles, 0.15%max Grain size: 15mm max Packing: PP/PE 50kg/bag 4--Ironless aluminium ... sulphate Specification: Al2O3, 16%min, Fe: 0.005%max, pH: 3.0min, Water Insolubles: 0.15%max, As: 0.0005 ...