Santoprene - 60A - Thermoplastic Sheets and Rolls - 1/16" Thick x 6" Width x 6" Length - 3 Pack Thermoplastic rubber with minimum tensile stress at 100% - 300 PSI Santoprene sheet is a thermoplastic elastomer with a durometer of 55-65 Ideal for use as thermoplastic gaskets and seals due to good chemical resistance Santoprene is a fully vulcanized EPDM rubber particle in a thermoplastic matrix of PP Santoprene rubber sheets are used in applications that require complex and sophisticated rubbers