Santoprene
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![This table compares different sub-families of TPE, ranking their performance compared to each other as excellent, good, fair or poor. It demonstrates that TPV offers a combination of elastomeric properties, like compression and tension set, coupled with aging performance and chemical resistance. In addition to a relatively low density (or specific gravity), TPVs can be used to reduce the weight of flexible systems and parts.](/Images/godic/202502/09/Santoprene_TPV_grades5021.png")
Santoprene thermoplastic vulcanizates (TPV) are part of the thermoplastic elastomer (TPE) family of polymers, but are closest in elastomeric properties to EPDM thermoset rubber, combining the characteristics of vulcanized rubber with the processing properties of thermoplastics. Santoprene TPV is a dynamically vulcanized alloy consisting mostly of fully cured EPDM rubber particles encapsulated in a polypropylene (PP) matrix. There are almost 100 grades in the Santoprene TPV product portfolio which are used globally in the automotive, household appliance, electrical, construction and healthcare markets. ExxonMobil is the sole proprietor of the material.