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1)  SN Ⅱ Retarding & Proficient Water Reducing Agent
SN-缓凝高效减水剂
2)  retarded high range water reducing agent
缓凝高效减水剂
1.
A low cost retarded high range water reducing agent GCL1 was prepared via oxidation and sulfonation modification using calcium lignosulfonate as primary raw material.
研究了木素磺酸钙的氧化磺化等复合改性工艺 ,合成了以木素磺酸钙为主要原料的低成本缓凝高效减水剂GCL1。
3)  retarding superplasticizer
缓凝高效减水剂
1.
Research and application of JN-3B retarding superplasticizer;
JN-3B缓凝高效减水剂研制及应用
4)  superplasticizer
缓凝高效减水剂
1.
The influences of water binder ratio, superplasticizer and mineral blend on the hydration heat of the binder paste were studied by means of hydration heat experiments.
结果表明 :当水胶比降低时 ,胶结材浆体的水化热也随之下降 ;缓凝高效减水剂并不降低总水化热 ,但它推迟水化放热进程 ,加快后期的水化放热速率 ;矿物掺合料的加入可明显降低水化热、水化放热速率 ,推迟达到最高温度的时间 ,尤其是双掺、三掺时降低效果更为显著 。
5)  set retarding and superplasticizer admixture
缓凝高效减水剂
1.
Therefore,a series of experiments on performances of several water-reducing admixtures were developed,and a optimun AT type set retarding and superplasticizer admixture was selected since its superior function for pumping aid, and a good technical economic res.
为此,从几种混凝土外加剂的性能试验对比中,优选了AT缓凝高效减水剂增大混凝土的流动性能,达到顺利泵送的目的,并取得了较好的技术经济效果。
6)  set-retarding water-reducer agent
缓凝型高效减水剂
补充资料:高效减水剂
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性质: 一般可分为萘磺酸-甲醛缩合物(简称萘系减水剂)和磺化三聚氰胺甲醛缩合物。它们分别由工业萘、三聚氰胺,经一定的酸、碱性条件下缩聚而成。其性质属表面活性剂类;具有吸附、分散湿润、润滑等作用。使用于混凝土中能大量减少混凝土拌合用水,减水率均在15%以上,故统称高效减水剂。萘系减水剂为褐色粉状固体。三聚氰胺为无色油状液体。均能很好溶于水中,使用最普遍的是萘系减水剂。

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