Hyperplast PC340 High performance concrete admixture based on polycarboxylic polymers You might also be interested in Hyperplast PC313M High range water reducing admixture with workability retention properties Hyperplast PC326 High range water reducing admixture with workability retention proper es Hyperplast PC339 High performance polycarboxylic ether based superplasticiser Hyperplast PC602 High performance polycarboxilic based, concrete superplasticiser