Baydur 486 is a modified polymeric diphenylmethane polyisocyanate. Properties / Applications: Baydur 486 polyisocyanate is used for semi-rigid foams, elastomers, coatings and adhesives. As with any product, use of Baydur 486 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 |