... % 5.Aluminum Suphfate MOQ:1MT Aluminium Sulphate Water Treatment Al2 (SO4)3 15.8%,16%,17% 1) Technical Index Aluminium Sulphate 17% ITEMSPECIFICATIONRESULTAluminum oxide Al2O3 %,min17 ... Insolubles: 0.15%max Grain size: 2---5mm Use: Used in papermaking, printing and dye, tanning leather, fire-fighting equipment, drug ...