Costron (formerly Bayer) Desmodur 44V20L Polymethylene polyisocyanate Crude MDI Black Polymeric MDI 9016-87-9
Product Description 44V20 is a mixture of isocyanate and diphenylmethane diisocyanate containing a certain amount of higher functionality, and is a dark brown liquid at room temperature. Application 44V20 can be widely used in the manufacture of polyurethane rigid foam insulation materials; it can also be used in the fields of isocyanurate foams, coatings, adhesives, seepage prevention and leakage plugging, structural foams, microcellular self-skinning foams, automobile…
