Concrete pumping admixture GCL1-3 was developed by studying the properties of concrete superplasticizer GCL1 combined with water retaining admixture and air entraining agent.

• 通过研究缓凝高效减水剂GCL1与保水剂、引气剂的配伍性能,研制了混凝土泵送剂GCL1-3。