... china 3.fast delivery 4.ISO9001 Aluminum potassium sulfate Aluminum potassium sulfate is a colorless transparent, crystals, odourless,non-toxic, a sweet ... food additives e. Used for textile Specification ItemStandardAppearancecolorless cube crystals Purity 99%minPb 0.001%maxAs 0.0002%maxWater-insoluble ... , sign with no moisture and no insolation. 99% aluminum potassium sulfate colorless cube crystals