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Dyneema Composite Fabric (DCF) is a laminated material consisting of a grid of Dyneema threads sandwiched between two thin transparent polyester membranes. This material is very strong for its weight, and was originally developed for use in racing yacht sails under the name 'Cuben Fiber'.
It is denser than nylon, too, which makes it sink faster. Dyneema is also becoming very popular and it is much stronger, but it is used mostly as a braided fishing line . Because the elastic stretching is only a fraction of that of nylon monofilament, the contact with fish or bait is more direct.
Dyneema Composite Fabric (DCF), also known as Cuben Fiber (CTF3), is a high-performance non-woven composite material used in high-strength, low-weight applications. It is constructed from a thin sheet of ultra-high-molecular-weight polyethylene ( UHMWPE , "Dyneema") laminated between two sheets of polyester .
Equivalent to Spectra, Dyneema is an extremely strong fiber produced by the Dutch company DSM. It is often used by European sailcloth manufacturers, is available in a wider variety of yarn sizes than Spectra, and is growing in popularity.
Dyneema/Spectra slings are usually sewn not tied due to very high lubricity which leads to poor knot-holding ability and has led to the recommendation to use the triple fisherman's knot rather than the traditional double fisherman [3] Sewn slings have a rated breaking strength of at least 22 kilonewtons (4,900 lb f).
M5 has a tensile strength of 4 GPa [1] to 9.5GPa. [2] Other aramids- (such as Kevlar and Twaron) or UHMWPE-fibres (such as Dyneema and Spectra) range from 2.2 to 3.9 GPa. [3]M5 has "very high levels" of fire resistance, flame retardancy, and chemical resistance, especially high for an organic fiber.
Webbing is less likely to loosen itself off the rock than tubular rope. Note that webbing construction is either utterly flat or flat-tubular; the latter tends to handle better but knots are more likely to jam. The most popular knots in webbing are the water knot and the grapevine knot. The latter is stronger, but uses more webbing for the knot.
xxx times stronger than steel is always dubious, because steel is a family of materials with vastly different properties. ... Dyneema and Spectra are described here ...