spandex yarn manufacturing process Fundamentals Explained
spandex yarn manufacturing process Fundamentals Explained
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Subsequently, DuPont Fibers produced their manufacturer of spandex beneath the identify Lycra. In a few elements of the world these days, the identify Lycra is becoming the generic name for elastomeric spandex yarn.
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At Herng Fa, our SCY may be custom-made to meet particular client wants. The customization possibilities include things like picking out distinctive primary yarns (like functional yarn or color yarn) and matching yarns (functional yarn) to create unique SCY with both S or Z twists. The Z twist consists of a clockwise convert, even though the S twist can be a counterclockwise switch.
Compared with a number of other synthetic fibers, spandex can not be melt-processed since the polymer degrades on melting.
This post aims to get rid of gentle around the variances amongst both of these elements, their uses, as well as their features. （一）Introduction Right before diving into…
Spandex covered yarn, often called lycra spandex yarn or elastic covered yarn, is a unique type of textile content that mixes the elasticity of spandex yarn (also known as elastane or Lycra) with the power and texture of other core yarn products( 100% polyester or 100% nylon).
Bare yarn: Concerning knit fabric manufacturing, it is particularly effectively-fitted to hosiery and socks manufacturing.
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Spandex Extrusion: Spandex is then extruded onto the Main yarn. This process is completed inside of a heated setting exactly where the spandex is in a very molten state, permitting it to adhere to the core yarn.
when the twist is just too low, the outer covering fibre is often loose and have an affect on the covering result, which can result in the Main exposure, Hence the twist ought to be significant in mechanical wrapping. Nevertheless, if the twist is too substantial, The material feels more info stiff and drapes inadequately. The final twist degree is altered in accordance with the variety of deniers of the yarn along with the style demands of The material.
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This is named a action-progress or addition polymerization. To initiate this reaction, a catalyst such as di-azobicyclo octane needs to be made use of. Other very low molecular fat amines are additional to control the molecular body weight on the fibers.