... Aluminum potassium sulfate Aluminum potassium sulfate is a colorless transparent, crystals, odourless,non-toxic, a sweet taste and acerbity, have convergence ... for food additives e. Used for textile Specification ItemStandardAppearancecolorless cube crystals Purity 99%minPb 0.001%maxAs 0.0002%maxWater-insoluble ... moisture and no insolation. 99% aluminum potassium sulfate colorless cube crystals