Wednesday 23 November 2011
Different types of YARNS.
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Yarns are selected for different textiles based on the characteristics and properties of the yarn fibres, such as warmth (wool), light weight (cotton or bamboo), durability (nylon is added to sock yarn, for example), or softness (cashmere, alpaca). Acrylic and cotton yarns are the least expensive. The Yarns are the very important product related to the textiles.
Yarns are made up of a number of singles, which are known as plies when grouped together. These singles of yarn are twisted together (plied) in the opposite direction to make a thicker yarn. Depending on the direction of this final twist, the yarn will be known as s-twist or z-twist. For a single, the direction of the final twist is the same as its original twist.
