Mdi Isocyanate, Polyether Polyol, Polymeric Polyol manufacturer / supplier in China, offering Closed-Cell Polyurethane Spray Foam Insulation, Two Component Water-Blown Polyol and Isocyanate for PUR Continuous Sandwich Panel, Polyol Used with Isocyanate for Class B2 Spray PU Foam Wall Insulation and so on.
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