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

超缓浆是由水泥、复合缓、水和当配比而形成。

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.

通过对几种缓不同品牌水泥净浆结时间试验和赤糖缓在高温条件下水泥净浆结时间试验发现赤糖缓是较理想缓。