... preparation good solution not adapt to long term storage, lest produce hydrolysis, reduce the coagulation effect.FeaturesIncluding anhydrous and ... flake or crystalline flakelet, odorless, to change the taste from sweetness to slight astringency. Application1. Widely used in paper making, water purification.2. ... ) AL2O3 %≥15.8015.80≤ Fe≤0.0050.004Insoluble matter in water %≤0.3 0.3 PH (1% solution) ...