Suprasec 2386 Modified diphenylmethane diisocyanate Huntsman Polyurethane (PU) - Isocyanates >> MDI, diphenylmethane diisocyanate >> Modified MDI Used for the formulation of adhesives, coatings and elastomers. Suprasec 2386 Low-functionality uretonimine-modified pure MDI of higher NCO value with improved stability at low temperature. Low-functionality uretonimine-modified pure MDI. Used in the formulation of coatings. Possesses high NCO value. Provides improved stability at low temperature.