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The stainless steel core has a temperature resistance of up to 800 °C (1472 °F) and the Kevlar coating is heat-resistant up to 220 °C (428 °F). PTFE coated glass sewing threads have an excellent temperature resistance combined with a PTFE coating to provide easier machine sewing. The glass core has a temperature resistance of up to 550 °C ...
Aramid (Kevlar) sails, showing the typical color of the fabric. Kevlar, an aramid fiber, has become the predominant fiber for racing sails, since it was introduced by DuPont in 1971. It is stronger, has a higher strength to weight ratio than steel, and has a modulus that is five times greater than PET, and about twice as high as PEN.
Kevlar (para-aramid) [2] is a strong, heat-resistant synthetic fiber, related to other aramids such as Nomex and Technora.Developed by Stephanie Kwolek at DuPont in 1965, [3] [2] [4] the high-strength material was first used commercially in the early 1970s as a replacement for steel in racing tires.
Interfacing is a common term for a variety of materials used on the unseen or "wrong" side of fabrics in sewing. Interfacings support the fashion fabric ("shell fabric") of the garment and may be selected to change the hang of the fabric in some portions of the garment; for instance, a shirt collar has an interior stiffening from interfacing.
Viyella logo. Viyella is a blend of wool and cotton first woven in 1893 in England, and the "first branded fabric in the world". [1] It was made of 55% merino wool and 45% cotton in a twill weave, developed by James and Robert Sissons of William Hollins & Co, spinners and hosiers.
In 1973, DuPont was the first company to introduce a para-aramid fiber, calling it Kevlar; this remains one of the best-known [citation needed] para-aramids and/or aramids. In 1978, Akzo introduced a similar fiber with roughly the same chemical structure calling it Twaron .