Santoprene thermoplastic rubber grades are proprietary products of Advanced Elastomer Systems, a subsidiary of Exxon-Mobil.. It is available in a smooth top and a block surface design. Fully vulcanized EPDM rubber particle in a thermoplastic matrix of Polypropylene (PP).
Pure gum is a full floating natural rubber." It also makes a great industrial skirting due to its excellent flexibility and high tensile strength.. It resists most organic salts, ammonia, acids, and alkalis.