ISCC PLUS Certificates

Kuraray is committed to contributing to sustainability through responsible business practices. Selected sites within the Poval Resin Business are certified according to ISCC PLUS, a globally recognized certification system for sustainable and traceable supply chains.

This page provides an overview of the certified sites and their corresponding certificates.

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Certification List

Okayama Plant, Kuraray Co., Ltd. Okayama City, Okayama, Japan

Output material(s): PVOH resin (brand name: KURARAY POVAL™, EXCEVAL™) and VAM
Scope: Polymerization Plant; Specialty Chemical Plant; Converter; Final Product Refinement
Valid from: Aug. 2026 (Initial certification: Aug. 2025)

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Kuraray Europe GmbH Hattersheim, Germany

Scope: Trader with storage
Valid from: Jan. 2026 (Initial certification: Jan 2024)

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Bayport Plant, Kuraray America, Inc. Pasadena, Texas, U.S.

Output material(s): PVOH resin (brand name: KURARAY POVAL™, EXCEVAL™)
Scope: Specialty chemical plant
Valid from: Dec. 2025 (Initial certification: Jan. 2025)

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La Porte Plant, Kuraray America, Inc. La Porte, Texas, U.S.

Output material(s): PVOH resins (brand Name: ELVANOL™) and VAM
Scope: Specialty chemical plant
Valid from: Nov. 2025 (Initial certification: Nov. 2023)

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Frankfurt Plant, Kuraray Europe GmbH Frankfurt, Germany

Output material(s): PVOH resin (brand name: KURARAY POVAL™)
Scope: Polymerization Plant
Valid from: Oct. 2025 (Initial certification: Oct. 2024)

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