Baytec MP-231 Modified MDI Bayer PU - Prepolymers >> Isocyanate >> MDI based PU - Prepolymers >> Polyether >> PPG ADHESIVE Baytec MP-231 Modified MDI Adhesives, binders, spray elastomers Low-temperature stability P: poly(propylene glycol) ether-based Modified MDI poly(propylene glycol) ether-based prepolymer. Used in adhesives. Offers low temperature stability.