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Properties required for Laggings

Properties Required for Good laggings fabric-  The fabric should be stretched repeatedly, and will return almost exactly back to original size and shape.  4 way stretch. Fabrics that only stretch 2 ways will not be comfortable for such a close fitting garment  At least some lycra, spandex or elastane content – these fibers help with recovery, so the fabric doesn’t stretch out and sag after wear  The fabric should be light weight, soft and smooth.  Thick enough not to be see-through when stretched.  The fabric should have resistant to abrasion and the deleterious effects of body oils, perspiration, and detergents.  The fabric should be compatible with other materials, and can be spun with other types of fibers to produce unique fabrics, which have characteristics of both fibers. All the above properties provide by a least percentage of Spandex (Also known as lycra laggings and elastane laggings) for making Good laggings fabrics.
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Theory of Uniform conicity

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Cone Package in Textile Winding: Construction and Uniform Conicity What is a Cone? A cone is a special type of yarn package that has a conical shape . Unlike a cylindrical package, the diameter of a cone gradually changes from the base to the nose . Cone packages are widely used in textile industries because they are easy to handle, transport, and unwind during subsequent processes. What is the Taper Angle? The taper angle is the angle formed between the surface of the cone package and the horizontal (X-axis). This angle determines the conical shape of the package and must remain constant throughout the winding process to maintain uniform conicity . Why is Uniform Conicity Important? In a cone package, the diameter is not the same throughout its length. It gradually decreases from the base towards the nose. If the same amount of yarn is wound at every point, the package will not have a uniform thickness, and the desired cone shape will be lost. Therefore, the thickness of the yarn ...
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