Riken Americas Corporation


Riken Americas is engaged in the manufacturing and sale of high performance Thermoplastic Elastomer (TPE) compounds.   Compounds are mixtures of base resin and several different additives. The end result has the properties of both plastic and rubber, while also being lightweight, and recyclable.  Our customer base includes leading automotive related industries, sporting goods, building, and construction.

  • TPOs
  • TPVs
  • TPS
  • Injection & Extrusion Grades
  • Interior & Exterior Applications


Riken Americas Multiuse Leostomer is a polyolefin based TPO offered in a durometer range of 40 to 90 Shore A.

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Riken America’s Actymer G is a vulcanized Thermoplastic Olefin (TPV) that has become an industry leader in applications
requiring exceptional long-term performance.

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Leostomer is Riken America’s general purpose Styrene type Thermoplastic Elastomer (TPS) the properties of which make
it the perfect choice for soft-touch applications requiring oil and slip resistance.

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Possessing enhanced oil and heat resistance compared to Leostomer, Actymer is Riken America’s vulcanized Styrene
type Thermoplastic Elastomer (TPS-V).

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