... :500,000MT/year We supply Industrial low Iron and ironless Aluminium SulphateAluminium sulphate15.8% &17%(Ironless) ... water treatment or paper industrySupplyCapability:500,000MT/year, as the larggest supplier in Asia,etc. Characteristics : Appearance ... FCL. Application: Use for the papermaking, water purification, is used as mordant,tanning the pharmaceutical of leather, medical astringent, ...