Characteristics of the fibers

* The data in table are purely indicative and non-binding.









Chemical and physical characteristics of synthetic fibers
Fiber Polypropylene
PP 		Polyester HT
PES 		Polyamide
PA 		Dyneema®
Resistance
Toughness (g/den) 4 - 7 7 – 8.5 7 – 8.5 35
Weight 0.91 1.38 1.14 0.97
Buoyancy Floats Sinks Sinks Floats
Abrasion Resistance Good Optimal Very Good Excellent
Elongation
Elongation at constant load High Low Moderate Poor
Elongation at 50 % load (breaking load) 25 – 30 10 – 15 15 – 20 2
Elongation at break 50% 20 – 30 25 – 40 4
Degradation
Lightfastness Discrete Excellent Good Very Good
Resistance to aging Optimal Excellent Excellent Excellent
Water resistance to marine organisms Excellent Excellent Excellent Excellent
Melting Point 165° 260° 250° 150°
Resistance after two years of exposure to the weather 30 - 70% 90% 75%
Resistance to chemical acids Good Disintegrates if hot Disintegrates Excellent
Resistance to chemical alkali High Good Disintegrates Excellent
The Dyneema® brand is owned: DSM - Netherlands


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