Lupranat MII Mixture of 2,4'- and 4,4'-diphenylmethane diisocyanate BASF-Elastogran PU - Isocyanates >> MDI, diphenylmethane diisocyanate ADHESIVE Lupranat MII is a mixture of 2,4'- and 4,4'-diphenylmethane diisocyanate (MDI). It is stabilized against yellowing. Lupranat MII is together with other isocyanates used for the manufacture of flexible foams, adhesives. Mixture of 2,4'- and 4,4'-diphenylmethane diisocyanate (MDI), stabilized against yellowing. Used for the production of adhesives.