Model Number: SP-409 Key Specifications/Special Features: Polycarboxylate powderisafreeflowingspraydriedpowderbasedonpolycarboxylicether. Itis polymerized by various macromolecule organic compounds. It belongs to polycarboxylate-based grafted copolymer superplasticizer, and is a new generation of environment friendly cement admixture of advanced world level. The polycarboxylate-based superplasticizer has reached the international advanced level on the aspects of technical performance index and cost performance. It can be widely used in water conservancy project, electrical power project, port project, railway project, bridge project, highway project and main structure cement casting of civil building. Waterreducingrate (%)≥25Slumpretention (1hour)mm≤80 Bulkdensity (g/l) ≥450 Phvalue (20%watersolution) 10.0±2.0 Watercontent (%) 3-5 Chloridecontent (%) ≤0.6