Thursday, June 30, 2016

Spun yarn definition and it types| Spun yarn classification

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This is a yarn made with thick and thin placing by varying the amount of twist in the yarn at regular intervals. They are found in drapery and upholstery fabrics.Continue reading

These are frequently called as flake yarns. These are usually single yarns in which small amount of fibres either different colours or luster or both are inserted into the yarn and held in place by twist of base yarn eg: tweed fabric. This gives a spotted and short streaky appearance.
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These are similar to slub yarns but these are made from filament like slub prepared from staples. The pressure forcing the spinning solution is varied the filament is thick in some places and thin in some.
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These are characterized by a projecting from the body of the yarn at fairly regular intervals. There are 3 ply yarns. The effect yarns forms irregular way surface and binder ties it to the base. It has twisted core yarn.
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Gimp is same as boucle but the effect yarn is regular semi circular appearance, while in loop.
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This is made in the same way as loop yarn using a highly twisted effect yarn, which forms snarls rather than loops.
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This feature prominent bunches of one or more of the component yarn at regular or irregular intervals. This is made on a special machine that permits the base yarn to be held almost stationary while the effect yarn is wrapped around it several times to build upon enlarged segment with brightly coloured fibres added at the enlarged spot.
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These create special effects chenille means caterpillar in French. The yarn has a cut pile effect which is bound to the core on the loom warps are arranged in groups (2-6) which are interlaced in a cross weaving manner. Weft is inserted in a normal manner. These are cut into wrap way threads.
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These are primarily decorative. The plastic coasting on it resists tarnishing but care must be taken while pressing as pure metals are soft, their thin films are used over a core yarn that has replaced gold and slivers now. There are two methods of pressing.
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