Carbon fibres are characterised by high tensile strength and rigidity combined with low density and thus, they are the ideal reinforcing fibres for lightweight construction applications. Compared to glass fibre, carbon fibre (HT fibre) has twice the specific tensile strength and approximately four times the specific modulus of elasticity. The fatigue strength under dynamic load is outstanding.
Due to the slightly negative thermal expansion, components can be produced that deform only slightly or that do not deform at all under heat. Carbon fibre is electrically conductive.
Nomenclature: In practice, the abbreviation K (1K = 1,000 filaments) is often used together with the unit tex (= g/1,000 metres) to describe the yarn count of the roving. 1K = 67 tex
3K = 200 tex
6K = 400 tex
12K = 800 tex
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