Lupranat MRS 4,4'-Diphenylmethane diisocyanate BASF-Elastogran Polyurethane (PU) - Prepolymers >> Isocyanate >> MDI based Lupranat MRs is 4,4'-diphenylmethane diisocyanates (MDI) with high acidity. Lupranat MRS contains a stabiliser, in order to prevent yellowing. Lupranat MRs is used for the manufacture of prepolymers. They are also used for the production of coatings. Lupranat MRS must not be used for the production of polyurethane products which will come into contact with foodstuff. Diphenylmethane-4,4'-diisocyanate (MDI) with high acidity. Contains a stabilizer in order to prevent yellowing and BHT. Used for manufacture of prepolymers and coatings.