... , polycarboxylic acid, copolymer, superplasticizers, water reducer, dispersant, concrete admixture, PCPolycarboxylate Superplasticizer (Polycarboxylate High-range Water Reducer) ----Third generation of ... .Storage period is 12 months.Other concrete admixture we offer: Air Entraining Admixture, Waterproof Admixture, Antifreeze, Expansion Admixture, Early Strength Agent and Accelerator etc. ...