PCA?-Ⅳ Polycarboxylate Superplasticizer with Shrinkage-reducing and Anti-cracking
                        PCA ? -IV is a new generation superplasticizer with a base of modified Polycarboxylic ether. It offers maximal water reduction, increased early strength, and enhanced finishing characteristics. PCA ? -IV contains no formaldehyde, calcium chloride or other purposely added chlorides and will not initiate or encourage the corro… 
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