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Santopreneâ¢ (TPV) is a thermoplastic vulcanizate. Santoprene is fully dynamically vulcanized ethylene propylene diene monomer (EPDM) rubber in a thermoplastic matrix of polypropylene (PP). It looks, feels and behaves like rubber but, due to the PP content, offers simple, flexible part design and manufacturing.
Neoprene, invented by DuPont in 1931, is a synthetic rubber used for many chemical and weather-resistant products such as wet suits and orthopedic braces. It also is used as a base resin in adhesives, electrical insulation and coatings.