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Acrylic takes color well, is washable, and is generally hypoallergenic. End-uses include socks, hats, gloves, scarves, sweaters, home furnishing fabrics, and awnings. Acrylic can also be used to make fake fur and to make many different knitted clothes. As acrylic is a synthetic fiber, the larvae of clothes moths are unable to digest it. However ...
Singeing in textiles is a mechanical treatment or finish to obtain a neat surface of the fabric or less hairy yarn. In a singeing machine, the yarns or fabrics are exposed to direct flames to burn the protruding fibers of the textile materials. Hence, also called "gassing". [7] [8] [9] [10]
Although it is thermoplastic, polyacrylonitrile does not melt under normal conditions. It degrades before melting. It melts above 300 °C if the heating rates are 50 degrees per minute or above. [12] Glass transition temperature is around 95 °C and fusion temperature is at 322 °C.
Yarn is selected for different textiles based on the characteristics of the yarn fibres, such as warmth (wool), light weight (cotton or rayon), durability (nylon is added to sock yarn, for example), or softness (cashmere, alpaca). Yarn is composed of twisted strands of fiber, which are known as plies when grouped together. [19]
PMMA is also known as acrylic, acrylic glass, as well as by the trade names and brands Crylux, Hesalite, Plexiglas, Acrylite, Lucite, and Perspex, among several others . This plastic is often used in sheet form as a lightweight or shatter-resistant alternative to glass. It can also be used as a casting resin, in inks and coatings, and for many ...
In a yarn, moisture content is the moisture present in the yarn, expressed as a percentage of the total weight of the yarn. Moisture content is one of the most important tests on a yarn; [9] a fiber's moisture content will affect the entire manufacturing process, as it affects the physical properties of a material. For instance, during yarn ...
Thread used in weaving is usually much finer than the yarn used in knitting, which can give the knitted fabric more bulk and less drape than a woven fabric. If they are not secured, the loops of a knitted course will come undone when their yarn is pulled; this is known as ripping out , unravelling knitting, or humorously, frogging (because you ...
Textile fibers, threads, yarns and fabrics are measured in a multiplicity of units.. A fiber, a single filament of natural material, such as cotton, linen or wool, or artificial material such as nylon, polyester, metal or mineral fiber, or human-made cellulosic fibre like viscose, Modal, Lyocell or other rayon fiber is measured in terms of linear mass density, the weight of a given length of ...