... 3 3 Water Insolubles,%max0.3 Aluminium Sulphate Aluminium sulphate, drinking water treatment Aluminium sulphate, industrial grade Aluminium sulphate, nonferrous Aluminium sulphate, blocky Aluminium sulphate, granular Aluminium sulphate, PowderMolecular formula: [Al2(SO4)3· ... solution, 86.5°C for its dehydration temperature, depriving of crystal water when heating up to 250°C, began decomposition ...