This product is widely used in polyurethane system, rigid foam system for insulation and other areas. MDI iswidely used in the production of PU rigid insulation foams and polyisocyanurate foams.Other uses include paints, adhesives, sealants, structural foams, microcellular integral skin foams, automotive bumper and interior parts, high-resilience foams and synthetic wood. Product chemical name: 4 ...