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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.
Processing. Neoprene begins as polychloroprene which is a powder, other ingredients are added that provide cell size, adhesion, foaming agents, bulk, color and other properties according to Machovec. Put into a heat press after it is made into a doughy mixture, the heat and pressure form a sheet.eoprene begins as polychloroprene which is a powder, other ingredients are added that provide cell size, adhesion, foaming agents, bulk, color and other properties according to Machovec.