00831 IUPAC Gold Book - carbon fibre 10.1351/goldbook.C00831 C00831 current 1 Fibres (filaments, tows, yarns, rovings) consisting of at least $\pu{92\%}$ (mass fraction) carbon, usually in the non-graphitic state. Carbon fibres are fabricated by pyrolysis of organic precursor fibres or by growth from gaseous hydrocarbons. The use of the term graphite fibres instead of carbon fibres as often observed in the literature is incorrect and should be avoided. The term graphite fibres is justified only if three-dimensional crystalline order is confirmed, e.g. by X-ray diffraction measurements. carbon https://goldbook.iupac.org//terms/view/C00821 diffraction https://goldbook.iupac.org//terms/view/D01711 graphite fibres https://goldbook.iupac.org//terms/view/G02686 hydrocarbons https://goldbook.iupac.org//terms/view/H02889 mass fraction https://goldbook.iupac.org//terms/view/M03722 pyrolysis https://goldbook.iupac.org//terms/view/P04961 PAC, 1995, 67, 473. 'Recommended terminology for the description of carbon as a solid (IUPAC Recommendations 1995)' on page 480 (https://doi.org/10.1351/pac199567030473) https://goldbook.iupac.org/terms/view/C00831/html https://goldbook.iupac.org/terms/view/C00831/json https://goldbook.iupac.org/terms/view/C00831/plain Citation: 'carbon fibre' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.C00831 The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms. If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org . The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using. 2026-04-19T00:56:09+00:00