Technical properties of synthetic fibres

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MaterialHigh Modulus PolyethyleneHigh Modulus PolyesterHigh Modulus PolyamidePBO PolyesterPolyamidePolypropylene multifilamanet high tenacityPP Staple fibreBiPo-/Polyolefin mixBiPo-/Polyolefin- Polyester mix
Trade names

Dyneema® / Spectra®
Werte für Dyneema® SK78

 Vectran®Technora®, Twaron®, Kevlar® Zylon®Diolen®, Dacron®, Trevira®, etc. Nylon®, Perlon®, etc. GeoProp PPTex Polysteel, Danline, PowerPlait, PowerLaidPlus
Tenacity in dN/dtex 35 20 20 – 25 37 7 – 9  7 – 9 6 – 8 3 – 5 6 – 7 6 – 7
Elongation at break 3,80% 3,30% 3,40% 2,80% 10–18% 14–28% 16–20% 14–17% 15–16% 12–18%
Specific gravity in g/cm³ 0,97 1,40 1,40–1,45 1,52 1,38 1,14 0,91 0,91 0,92 0,98–1,15
Modulus in daN/mm² 10.900–13.200  7.500–10.300 7.000–10.500  18.000–27.000 1.000–1.500 25–350  50–500 50–500 50–500 50–500
Melting point in °C 140 280 carbonisation at 500 carbonisation at 650 225 215–260 165–175 165–175 165–175  165–175
Resistance to short-term heat in °C 70 200 350 500 170 130 80 80 80 80
UV resistance excellent limited limited limited excellent good sufficient excellent good good
Resistance to alkalis excellent excellent predominantly good excellent good at room temp. good at low conc. excellent to most excellent to most excellent to most excellent to most
Resistance to acids excellent excellent predominantly excellent good predominantly good predominantly good excellent excellent   excellent good
Resistance to petroleum based products excellent excellent excellent excellent excellent good excellent excellent excellent excellent
Creep creeps at high loads immeasurable hardly measurabe immeasurable hardly measurabe slight creep under load at high loads at high loads at high loads at high loads
Knotted strengh approx. 50% approx.. 50% approx. 30% approx. 50% approx. 50% approx. 50% approx. 50% approx. 50% approx. 50% approx. 50%