Why do carbon fibres have a high strength to density ratio?

Their covalent bonds.

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  1. Their water content
  2. Their covalent bonds ✔
  3. Their heavy weight

Why: Non-metallic fibres like carbon have high strength to density ratio due to covalent bonds.

Huh, didn't know that: Non-metallic fibres like carbon have high strength to density ratio due to covalent bonds.

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References

Answer: Their covalent bonds. Non-metallic fibres like carbon have high strength to density ratio due to covalent bonds.

  1. Composite material en.wikipedia.org/wiki/Composite_material
    because of the covalent nature of their bonds
    Checked 2026-11-07.

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