Suprasec 2050 Diphenylmethane diisocyanate based prepolymer Huntsman Polyurethane (PU) - Prepolymers >> Isocyanate >> MDI based Architectural / Decorative >> Flooring Used for the formulation of adhesives, coatings and elastomers. Suprasec 2050 Mid-functionality MDI based prepolymer. Typically used in high performance elastomeric applications such as sports floor coatings Mid-functionality MDI based prepolymer. Used in high performance elastomeric applications such as sports floor coatings.