Lupranat VP 9252 4,4'-Diphenylmethane diisocyanate BASF-Elastogran Polyurethane (PU) - Prepolymers >> Isocyanate >> MDI based Lupranat VP 9252 is a solvent-free product based on 4,4'-diphenylmethane diisocyanate (MDI). It contains oligomers of high functionality and isomers. The average functionality is in the range 2.5 to 2.6. Lupranat VP 9252 is mainly used for the production of binders, adhesives, coatings, casting materials, and insulating and higher density rigid polyurethane foams. It is also used for the manufacture of semi-rigid foams in the car industry, and sound proofing and packaging foams. Solvent-free product based on 4,4'-diphenylmethane diisocyanate (MDI) containing oligomers of high functionality and isomers. Used for the production of binders and coatings.