North and Central American polyester filament manufacturers today announced a collective initiative, launching YarnProof™ powered by FibreTrace® technology. YarnProof, powered by FibreTrace, enables physical verification of regional origin at any point across the value chain, giving brands, manufacturers, and regulators increased confidence in supply chain compliance. By embedding an invisible, persistent tracer directly into polyester filament yarn during extrusion, YarnProof-enabled materials carry a verifiable origin signature that stays in the material from production through the life of the product. The FibreTrace handheld scanner detects the tracer in real time, whether in yarn, fabric, or final product. Each scan by an authorized participant creates a verification event that connects the physical material with supporting production and sourcing records. Working alongside existing documentation, YarnProof facilitates a layer of physical proof of origin to strengthen trade integrity, protect compliant supply chains, and support regional manufacturing. For YarnProof, this capability creates an additional layer of assurance supporting the yarn-forward requirements of CAFTA-DR and USMCA.

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