Poly-Carboxylate Superplasticizer: PC is a third generation water reducer. Its comprehensive property indexes are excellent. It is a non-pollution product, so it is a high property and environment protetion product. PC is a powder modified polycarboxyl, high efficient water reducer manufactured by spraying dry technology. This powder has very good fluidity and is especially suitable as a dispersing agent to be used in the high property building materials. This water reducer has good dispersing property, high water reducing rate and is suitable with a variety of cements. When it is used in the concretes and the mortars, the fluidity of the blend materials are very good. It also can be used in the engineerings of the self-flowing ground, the grouting materials, and so on.