Suprasec 1042 Polymeric diphenylmethane diisocyanate Huntsman Crosslinking / Coupling / Curing Agents >> Diisocyanates Coatings >> Waterborne Used for the formulation of adhesives, coatings and elastomers. Suprasec 1042 High functionality emulsifiable polymeric MDI Used as crosslinker in latex-based systems and waterborne primers. High functionality emulsifiable polymeric MDI. Used as crosslinker in latex-based systems and waterborne primers.