Mondur MRS is a medium functionality polymeric diphenylmethane diisocyanate (pMDI) with an enhanced 2,4 ’-MDI isomer content. Properties / Applications: Mondur MRS has utility in a broad range of polyurethane applications including low and high density semi-flexible and semi-rigid foams. As with any product, use of Mondur MRS 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 |