缓凝剂

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

超砂浆是由水泥、复合、水和砂经适当配比而形成的。

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.

通过对与不同品牌水泥净浆结时间试验和赤砂糖温条件下的水泥净浆结时间试验发现赤砂糖是较理想的。