It has high water reducing rate at low dosage whether the adaptability problem with cement and high slump loss are always the point in concrete production.
2
氨基磺酸系高效减水剂asp的减水率高、坍落度损失小，但价格较高、混凝土保水性差，限制了其应用。
ASP has high water-reducing rate and low slump loss, but it is expensive, and the water-retention of concrete is bad, which limit its application.
3
减水率达25%，坍落度损失低，各龄期混凝土抗压强度都有较大提高。
And water reducing ratio of concrete is 25%, slump lose a little. Its every age compressive strength has increased obviously.
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