Polycarboxylate (Polycarboxylate Superplasticizer) is a high performance water-reducing agent is a concrete application of the cement dispersant can be divided into two groups chemically to methacrylic backbone, the side chains carboxylic acid group and MPEG (Methoxy polyethylene glycol), a polyester structure. Another polyacrylic acid as a main chain, side chain Vinyl alcohol polyethylene glycol, polyether structure. Polycarboxylate http://www.lygqjc.com/