缓凝剂

Super-retarding mortar is composed of cement, water, retarding admix and sand blended in appropriate rate .

超缓砂是由水泥、复合缓剂、水和砂经比而形成的。

The muscovado retarder is more retarder through the setting time experiments of several retarder applied the different brand cement and muscovado applied under the hot conditions.

通过对几种缓剂与不同品牌水泥净时间试验和赤砂糖缓剂在高温条件下的水泥净时间试验发现赤砂糖缓剂是较理想的缓剂。