Lupranat VP 9515 4,4'-Diphenylmethane diisocyanate BASF-Elastogran Polyurethane (PU) - Prepolymers >> Isocyanate >> MDI based Lupranat VP 9515 is a solvent-free prepolymer based on 4,4'-diphenylmethane diisocyanate (MDI). Lupranat VP 9515 can be used as the base prepolymer for one component moisture cured adhesives. By means of appropriate formulations, adhesives for bonding various materials such as wood, metal, concrete or plastics can be manufactured. Solvent-free prepolymer based on 4,4'-diphenylmethane diisocyanate (MDI). Used for the production of moisture cured coatings.