Aluminium sulphate(white,light yellow) Purity:15.8%~17% ISO manufacturer ferric and non-ferric powder,granular,flake,lump Aluminium sulphateHengke Fine ... sulphate of laminated shape in buff color, made from high quality alumina ore, sulfuric acid, non-pollution ground water ... technology to form. Mainly used in the purification of potable water, industrial sewage, stuff sizing in paper industry, ...