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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.
Cellulose acetate is a non-petroleum based plastic that is made from natural cotton and wood fibers. While petroleum products can be more expensive and harmful to the environment, cellulose acetate is made from renewable materials.ellulose acetate is a non-petroleum based plastic that is made from natural cotton and wood fibers. While petroleum products can be more expensive and harmful to the environment, cellulose acetate is made from renewable materials.