Baytec MS-242 Isocyanate-terminated polyester prepolymer Bayer PU - Prepolymers >> Isocyanate PU - Prepolymers >> Polyester SEALANT >> Pre-formed tape / Gasket Baytec MS-242 Isocyanate-terminated polyester prepolymer Wheels, sheet goods, die-cut blankets, gaskets Abrasion resistance, tear strength Isocyanate-terminated polyester prepolymer. Used in gaskets. Offers abrasion resistance and tear strength.