... hydrolyzed, hard to be destroyed by acid or alkali, safety in use, no toxicity, no pollution. HPAA can improve zinc ... :HPAA is mainly used as cathode corrosion inhibitor in oilfield refill water system in fields such as steel & iron, petrochemcal, power ... 200L plastic drum,IBC(1000L),customers’ requirement. Storage for one year in shady room and dry place.Synonyms:HPAA; HPA; 2- ...