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        1. CN
          CN
        2. PCA?-Ⅷ High Performance Polycarboxylate Superplasticizer
          PCA?-Ⅷ High Performance Polycarboxylate Superplasticizer Download

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          PCA ? -Ⅷ 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 ? -Ⅷ contains no formaldehyde, calcium chloride or other purposely added chlorides and will not initiate or encourage the corrosion of the steel present in the concrete.

          女人高潮抽搐潮喷视频分腿,免费无码专区高潮喷水,高潮白浆潮喷正在播放