Scope guide: Claim type: Separate recycled content, waste reduction and life-cycle impact.; Comparison basis: Identify the baseline part, scope and service assumptions.; Evidence: Record the source, calculation method and limitations.

Carbon Fiber Sustainability Claims: Ask for the Comparison Basis

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A carbon fiber part should not be labelled sustainable solely because it is light. Ask what is being compared, which life-cycle stages are included and what evidence supports the environmental claim.

Define the claim before requesting data

Distinguish recycled content, reduced manufacturing waste, lower use-phase energy and end-of-life recovery. These describe different things. Record the component boundary and the service assumptions behind a comparison so the result can be interpreted rather than repeated as a general claim.

Keep missing evidence visible

A supplier may have material records without having a completed life-cycle assessment for the final part. State that limitation clearly. Ask for the source, calculation boundary and relevant configuration when a quantified saving is offered. Do not transfer a result for another vehicle, material grade or recycling route to the part being purchased.

Scenario di esempio

A proposed part contains recovered fibre, but no life-cycle comparison has been completed. Report the documented recycled-content statement on its own. Do not turn it into an unsupported claim that the whole product has a lower carbon footprint.

Punti da annotare

Claim typeSeparate recycled content, waste reduction and life-cycle impact.
Comparison basisIdentify the baseline part, scope and service assumptions.
ProveRecord the source, calculation method and limitations.

Altre letture consigliate

Riferimenti di contesto: Composites UK — What Can I Do with My Waste?.

Discutere i requisiti dei componenti

Inviare il disegno del componente e i requisiti pertinenti alla presente guida affinché ne venga valutata la portata.

Contatta Litian Yunde

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