Blend Polyols, Mdi Isocyanate, PU Additives manufacturer / supplier in China, offering Transparent Silicone Foam Enhancer for Plastic and PU Production, Colorless Liquid Surfactant Additive for Flexible and Rigid Foams, Brown Liquid M20s/Pm200/M-200 Nco 30.50-32.00% Viscosity 150-250 MPa. S and so on.