Lupranat MES 4,4'-Diphenylmethane diisocyanate BASF-Elastogran PU - Isocyanates >> MDI, diphenylmethane diisocyanate ADHESIVE Lupranat MES is a 4,4'-diphenylmethane diisocyanate (MDI) with low acidity. It is stabilized against yellowing and contains BHT. Lupranat MES is used for the manufacture of elastomers and thermoplastic polyurethanes. It is also used for the production of adhesives. Diphenylmethane-4,4'-diisocyanate (MDI) with low acidity, stabilized against yellowing and containing BHT. Used for the production of adhesives and elastomers and thermoplastic polyurethanes.