You are on the Engineering Plastics Site

Go back to Main Page ➤


Asahi Kasei acquires ISCC PLUS certification for several additional products

Tokyo, New York, and Düsseldorf – January 11, 2024 – Asahi Kasei and an affiliated company have acquired the widely recognized international sustainability certification ISCC PLUS for several products in the fields of thermoplastic elastomers and rubbers, engineering plastics, and other materials.

The Asahi Kasei Group aims to contribute to a carbon-neutral material value chain by focusing on initiatives such as the use of biomass raw materials, recycled raw materials, and renewable energy while deepening collaboration with other companies based on its medium-term management plan for fiscal 2024 focused on the theme “Be a Trailblazer.”

The ISCC PLUS¹ certification ensures that biomass, recycled materials, etc., are appropriately managed in the whole supply chain including manufacturing. With the acquisition of this certification, Asahi Kasei will be able to provide ISCC PLUS certified grades of below products.

Company name Product Trade name
Asahi Kasei Thermoplastic elastomer (TPE) Tufprene™ and Asaprene™ T styrenic thermo-plastic elastomer,
Tuftec™ hydrogenated styrenic thermoplastic elastomer,
S.O.E.™ hydrogenated styrenic thermoplastic elastomer
Styrene-butadiene rubber (SBR) Asaprene™ solution polymerized SBR
Butadiene rubber (BR) Asaprene™ polybutadiene rubber
Polyethylene (PE) Sunfine™ ultra high molecular weight polyethylene,
Suntec™ LD low-density polyethylene,
Suntec™ EVA ethylene-vinyl acetate copolymer,
Suntec™ HD and Creolex™ high-density polyethylene
Polyvinylidene chloride (PVDC) Saran Wrap™ cling film
Polyphenylene ether (PPE) Xyron™ polyphenylene ether
Polyamide (PA) compounds Leona™ polyamide resin
Styrene monomer
Cyclohexanol and Cyclohexane
Japan Elastomer Co., Ltd. Butadiene rubber (BR), styrene-butadiene rubber (SBR), crude C4, thermoplastic elastomer (TPE)

This achievement follows the company’s commendable certification of a diverse range of below materials in 2022, solidifying its commitment to responsible material sourcing.

Company name Product Trade name
Asahi Kasei Acrylonitrile (AN)
Methyl methacrylate (MMA)
Polymethyl methacrylate (PMMA) Delpet™ and Delpowder™
Styrene butadiene rubber (SBR) Tufdene™ solution-polymerized SBR
Butadiene rubber (BR) Diene™ and Asadene™ polybutadiene rubber
Polyoxymethylene Tenac™ polyacetal
PP/PE compounds Asaclean™ molding machine purging compound
Asahi Kasei Mitsubishi Chemical Ethylene Corp. Ethylene, propylene, etc.
Okayama Butadiene Co., Ltd. Butadiene

¹ ISCC (International Sustainability and Carbon Certification) is an international certification system that offers solutions for the implementation and certification of waste and residue raw materials, non-bio renewables and recycled carbon materials and fuels. ISCC PLUS is a certification system that covers mainly bio-based carbon materials which are produced outside of the EU and supplied globally, and to manage and ensure sustainable raw materials in the supply chain.

About the Asahi Kasei Corporation
The Asahi Kasei Group contributes to life and living for people around the world. Since its foundation in 1922 with ammonia and cellulose fiber businesses, Asahi Kasei has consistently grown through the proactive transformation of its business portfolio to meet the evolving needs of every age. With more than 46,000 employees around the world, the company contributes to a sustainable society by providing solutions to the world’s challenges through its three business sectors of Material, Homes, and Health Care. Its Materials sector, comprised of Environmental Solutions, Mobility & Industrial, and Life Innovation, includes a wide array of products from battery separators and biodegradable textiles to engineering plastics and sound solutions.

For more information, visit

Asahi Kasei is also dedicated to sustainability initiatives and is contributing to reaching a carbon neutral society by 2050. To learn more, visit

North America Contact:
Asahi Kasei America Inc.
Christian Okeefe

Company Contact Europe:
Asahi Kasei Europe GmbH
Sebastian Schmidt