Products TJ-928 for sustained-release liquor polycarboxylate superplasticizer, the technical performance, cost-effective ways to reach the current international advanced level. It is a water reduction, slump, enhancement, anti-shrinkage and environmental protection equivalent to a superior performance can solve high-strength, high-performance concrete viscosity, poor construction performance weaknesses, is used for the preparation of high-strength, high-performance concrete Ideal admixtures. Admixture with a variety of multi-functional additive compound formed, such as pumping agent, early strength, impermeability waterproofing agent, retarder and so on. Scope for pumping concrete, concrete crowd-state, self-compacting concrete, mass concrete, high performance concrete and fair-faced concrete, a variety of industrial and civil construction of ready-mixed concrete and cast. Can be widely used in national key projects and large-scale high-speed rail, nuclear power, hydropower projects, subway, large bridges, highways, harbor terminals.