缓凝减水剂 meaning in Chinese

water-reducing retaders

We have successfully developed , researched and produced concrete expansion agent , high performance water - reducing agent , pump - sending agent , quick - coagulating water - reducing agent , high performance concrete mixing material , green environmental senior inner wall putty , pcc spring concrete waterproof coating and so on . our series products have gained high fame among our clients after being put into market
几年来，经过我们的共同努力，我公司成功地开发研制生产了混凝土膨胀剂，高效减水剂缓凝减水剂泵送剂早强减水剂高性能混凝土掺合料绿色环保型高级内墙腻子粉和pcc弹性水泥防水涂料等20多个品种。
The effects of gypsum on fluidity of cement mortar and setting time of cement paste are not significant when it used as retarder of cement . whereas , when 0 . 3 % ca - lignosulphonate or ca - solassate added in cement used anhydrite gypsum as retarder , loss of fluidity of cement mortar is rapid , quick setting is occurred
但是，在硬石膏调凝水泥中掺加0 . 3的木钙和糖钙缓凝减水剂却能使水泥砂浆流动度经时损失加快，净浆表现出促凝现象，发生外加剂与水泥的不相容问题。