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As a polyester, it is moderately hydrophobic, so it absorbs little fluid and dries relatively quickly (compared to absorbent fibers such as cotton). The cross-section is non-round, increasing surface area by an estimated 20% (over round fibers) in order to produce a wicking effect via capillary action .
For instance, in a cotton polyester core-spun yarn, cotton wraps around a polyester filament yarn. Similarly, core-spun cotton spandex is a yarn in which cotton fibers are twisted around a spandex yarn and covers the core yarn and are primarily used in denim types. Plying two or more core-spun yarns are used for making core-spun threads.
Polyester-cotton blended clothing is more comfortable to wear in humid climates than polyester alone. [ 1 ] : 79 A heavy pair of jeans made of 100% cotton that weigh 14 oz (396.9 g) can be cut down to 11 oz (311.8 g), without compromising durability, by changing the composition to a blend of polyester 50% with cotton or nylon 20%.
This is coarser than 40-count cotton where 40x840 yards are needed. In the United Kingdom, counts from 10 to 40 are coarse (Oldham Counts), 40 to 80 are medium counts and above 80 is a fine count. In the United States ones, counts up to the 20s are coarse counts. Hank: A length of 7 leas or 840 yards (the worsted hank is only 560 yd [20])
Today, thread can also be made of many different materials including but not limited to cotton, wool, flax, nylon, silk, polyester etc. There are also metal threads (sometimes used in decorative textiles), which can be made of fine wire. Thread is similar to yarn, cord, twine, or string, and there is some overlap between the way these terms are ...
In the case of ring spun cotton yarns, for example, the following values of K have been found to give the best results. [citation needed] Warp yarns, 35's and less 4.75 Warp yarns, 35's to 80's 4.50 Warp yarns, 80's to 110's 4.25 Filling yarns, medium numbers 3.50