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An accredited laboratory is assessed for activities within its accreditation scope. That does not turn every test it offers into an accredited result, or make the tested component a certified product. Read the scope alongside the proposed test.

A carbon fiber component can retain the same outline while its reinforcement, resin system or manufacturing route changes. A controlled substitution review identifies the proposed change and checks it against the agreed requirements before the affected work is released.

A safety data sheet explains hazard-related information for an identified material. A technical data sheet describes product characteristics and, where supplied, processing or application information. They should not be treated as interchangeable attachments to an enquiry.

A certificate of conformity records a declaration against identified requirements. A test report records a particular test and its results. One document may refer to the other, but asking for a “certificate” without defining its purpose can produce the wrong evidence.

Freezer life and out life are different material-control terms. Their limits and conditions come from the specific prepreg supplier documentation. A remaining freezer-life figure alone does not tell a production team how much permitted out-time remains.