What is superplasticizer?
The admixture that can greatly reduce the amount of mixing water under the condition that the concrete slump is basically the same is called a superplasticizer.
The first generation of superplasticizers-naphthalene-based superplasticizers and melamine resin-based superplasticizers were developed in the early 1960s. Because of their performance compared with ordinary water-reducing agents, they were developed in the late 1930s. Lignosulfonate is a representative-it has a significant improvement, so it is also called a superplasticizer. The second-generation superplasticizer is sulfamate, although it is after the third-generation superplasticizer-polycarboxylic acid in chronological order. The graft copolymer with both sulfonic acid group and carboxylic acid group is the most important third-generation superplasticizer, and its performance is also the most excellent high-performance superplasticizer.