PU binder is based on MDI, a mixture of polyol modified diphenyl methane diisocyanate and polyphenyl methane polyisocyanate. It is a light brown liquid at room temperature. Mainly used in the production of rebonded foam. For soft polyurethane foam sheets, which have a strong adhesive force, this adhesive is produced to create a range of densities of soft polyurethane foam.…