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AmSty Achieves ISCC PLUS Certification at All Facilities

The Woodlands, Texas – June 30, 2023 – AmSty, the leading producer of styrene monomer, polystyrene, and certified recycled polystyrene in the Americas, announces that all seven of its manufacturing facilities have now achieved International Sustainability & Carbon Certification (ISCC) standards , called ISCC PLUS. The last two to receive certification were AmSty's Torrance, California, and Marietta, Ohio, plants.

"Having all plants certified is an essential step toward helping our customers demonstrate sustainability and it reinforces our committed goal that all polystyrene food packaging contains 30% recycled content by 2030," said Randy Pogue, CEO of AmSty. "It's an exciting milestone, as ISCC PLUS is the global gold standard for sustainable plastics accreditation."

AmSty's full list of ISCC PLUS certified plants are:

  • Allyn's Point, Connecticut
  • Cartagena, Colombia
  • Hanging Rock, Ohio
  • Joliet, Illinois
  • Marietta, Ohio
  • St. James, Louisiana
  • Torrance, California

Regenyx, AmSty's joint venture with Agilyx, located in Tigard, Oregon, is ISCC PLUS certified as well. Regenyx is the world's first commercial-scale circular recycling facility for polystyrene.

The ISCC PLUS certification is awarded based on stringent requirements aimed at validating post-consumer recycled content in certain AmSty products. With all facilities certified, the company is well-positioned to continue leading the way toward a more sustainable future for the plastics industry. The ISCC PLUS credits empower eco-conscious companies to meet the needs of a public increasingly interested in buying products with a lower environmental impact.

"This product line illustrates significant progress and continued momentum as we work toward a circular plastics economy," said Pogue.

Visit to learn more about the company and its sustainability journey.



Jessica Michan, Communications Director

(346) 413-4570 

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About AmSty

AmSty is a leading integrated producer of styrene monomer and polystyrene, offering solutions and services to customers in a variety of global markets, and proud to be the leading producer of certified recycled polystyrene in the Americas. AmSty is a member of the American Chemistry Council and certified as a Responsible Care company. Headquartered in The Woodlands, Texas, AmSty is a joint venture equally owned by Chevron Phillips Chemical Company LP and Trinseo LLC.

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