Mondur 1515 is a polymeric diphenylmethane diisocyanate (PMDI) prepolymer. Properties / Applications: Mondur 1515 polyisocyanate is used in the production of rigid polyurethane foams, especially for the appliance industry. As with any product, use of Mondur 1515 in a given application must be tested (including but not limited to field testing) in advance by the user to determine suitability. Information provided by Covestro |