Vibrathane 8011 TDI-terminated polyester prepolymer Chemtura (Crompton-Uniroyal Chemical) Polyurethane (PU) - Prepolymers >> Isocyanate >> TDI based Polyurethane (PU) - Prepolymers >> Polyester VIBRATHANE® 8011 is a TDI-polyester based liquid prepolymer that is designed for general use in coating roll applications. This high performance resin yields a 53 Shore A elastomer when cured with triol blends such as TMP/ TIPA. TDI-polyester based liquid prepolymer. Used in coating roll applications.