... and waste water treatment in practical use.White powder granular, soluble in water, alcohol, insoluble in water solution concentration cannot ... taste from sweetness to slight astringency. Application1. Widely used in paper making, water purification.2. widely used as mordant, ... 0.0050.004Insoluble matter in water %≤0.3 0.3 PH (1% solution) %≥3.03.0 Granularity mm1515 High quality Aluminium sulfate