Lupranat MP 105 Modified 4,4'-diphenylmethane diisocyanate BASF-Elastogran Polyurethane (PU) - Isocyanates >> MDI, diphenylmethane diisocyanate >> Modified MDI Lupranat MP 105 is a modified 4,4'-diphenylmethane diisocyanate (MDI). The average functionality is about 2.4. Lupranat MP 105 is used for the manufacture of rigid and flexible integral skin foams. It is also used for the production of coatings, as well as for flexible foams. Modified 4,4'-diphenylmethane diisocyanate (MDI). Used for the production of coatings.