Suprasec 2060 Diphenylmethane diisocyanate based prepolymer Huntsman Polyurethane (PU) - Prepolymers >> Isocyanate >> MDI based Used for the formulation of adhesives, coatings and elastomers. Suprasec 2060 Mid-functionality MDI based prepolymer. Multi-purpose product with increased reactivity Mid-functionality MDI based prepolymer. Used in the formulation of coatings. Offers increased reactivity.