Asahi Kasei 's polyacetal resin "TENAC™-C ISCC PLUS Certified Grade" is used in Takigen's "Bio-Resin Flat Torque Hinge"

We are pleased to announce that TENAC™-C ISCC PLUS certified grade polyacetal resin manufactured and sold by Asahi Kasei has been adopted as the main material for Takigen Manufacturing Co., Ltd.'s (hereinafter "Takigen") bio-resin flat torque hinge (BP-150-Bio).

Sales of the “Bio-Resin Flat Torque Hinge (BP-150-Bio)” began on July 10, 2025, through TAKIGEN’s official online store and other channels in Japan.

About TAKIGEN’s “Bio-Resin Flat Torque Hinge (BP-150-Bio)”

TAKIGEN, a manufacturer of industrial and commercial hardware, is committed to developing products that help prevent global warming and environmental pollution. The Company encourages waste reduction, the conservation of finite resources, and the adoption of renewable energy sources.

The newly released Bio-Resin Flat Torque Hinge (BP-150-Bio) is an environmentally friendly torque hinge that uses TENAC™-C ISCC PLUS certified grade, a mass-balance polyacetal resin that is ISCC PLUS certified.

Designed with the same dimensions as the conventional “Flat Torque Hinge (BP-150),” the new hinge retains the same functionality, including the ability to hold doors or lids at any angle and adjust torque via a bolt. This allows for easy replacement without redesigning the housing.

→ More about TAKIGEN’s “Bio-Resin Flat Torque Hinge” (Japanese) 

About "TENAC™ / TENAC™ -C ISCC PLUS Certified Grade"

Asahi Kasei 's polyacetal resin, "TENAC™ / TENAC™ -C ISCC PLUS certified grade," maintains performance equivalent to that of conventional petrochemical-derived polyacetal resins, including excellent friction and wear characteristics, strength and stiffness, and organic solvent resistance, while achieving a carbon footprint reduction of up to approximately 50%.

*In-house calculations based on fiscal year 2022 data.

Application	Torque Hinge
Grade	TENAC™ -C B4520 (ISCC PLUS certified grade)
Features	Equivalent physical properties to standard grade, CFP reduction

"TENAC™ / TENAC™ -C ISCC PLUS Certified Grade" has obtained "ISCC PLUS Certification," an international certification system that covers the entire sustainable supply chain, using the "mass balance method," which allocates the production volume of biomass-derived products according to the proportion of biomass raw materials used when manufacturing products using both biomass and petrochemical-derived raw materials.

For the latest ISCC PLUS certification status, please refer to:
-  Welcome – ISCC System
-  All Certificates – ISCC System

Asahi Kasei Group aims to contribute to a carbon-neutral and sustainable world under the “Care for Earth” vision and will continue to provide products with such environmentally friendly features to meet the expectations of customers and society.

→ Click here for more information about Takigen's "Bio-Resin Flat Torque Hinge"
→ For more information on Asahi Kasei" TENAC™ / TENAC™ -C ISCC PLUS Certified Grade," click here.