Suprasec 2020 Modified diphenylmethane diisocyanate Huntsman Polyurethane (PU) - Isocyanates >> MDI, diphenylmethane diisocyanate >> Modified MDI Used for the formulation of adhesives, coatings and elastomers. Suprasec 2020 Low-functionality uretonimine-modified pure MDI with lower viscosity. Low-functionality, low viscosity, uretonimine-modified pure MDI. Used in the formulation of coatings.