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Teijin begins new proof of concept for DPP traceability

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Fibre manufacturer plans to demonstrate use of Circularise digital product passport (DPP) technology for recycled polycarbonate (PC) resin

Illustration of granting a DPP in Teijin’s planned demonstration.

TOKYO – Japanese fibre manufacturer Teijin has begun a new demonstration of the digital product passport (DPP) technology from Netherlands-based Circularise as it looks to guarantee traceability of recycled polycarbonate (PC) resin throughout its supply chain.

Following an initial investment in traceability specialist Circularise in November 2024, Teijin said in April 2025 it will use the firm’s blockchain technology to help it supply raw materials with a lower environmental impact and improve transparency and reliability across its value chain.

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