Suprasec 1007 Diphenylmethane diisocyanate based prepolymer Huntsman Polyurethane (PU) - Prepolymers >> Isocyanate >> MDI based Used for the formulation of adhesives, coatings and elastomers. Suprasec 1007 Low-functionality MDI based prepolymer. Used in a variety of one-component systems. Low-functionality MDI based prepolymer. Used in the formulation of one-component coatings.