Mondur TD 80 Grade B is an aromatic diisocyanate mixture of 2,4 and 2,6 toluene diisocyanate (TDI) isomers in the ratio of 80/20. Properties / Applications: Mondur TD 80 Grade B diisocyanate (increased acidity) is used to prepare prepolymer resins which are subsequently formulated into coatings, adhesives and sealant systems. As with any product, use of Mondur TD 80 Grade B diisocyanate 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 |