Glass-fibre-reinforced polymer combines glass fibres with a polymer matrix, which may be a thermoset — the matrix most glass-fibre composites used in 2015 — or a thermoplastic supplied with glass fibre as moulding compounds, tapes and prepregs.
Evidence support: Supported by the cited evidence 2 sources, multiple sources, independence unknown
Evidence: U.S. Department of Energy 2015 Primary authority; U.S. Department of Transportation, Federal Aviation Administration, Flight Standards Service 2023 Primary authority