Winding: The covered yarn is then wound on to bobbins or spools for more processing or immediate use in manufacturing.

Subsequently, DuPont Fibers manufactured their model of spandex under the identify Lycra. In a few parts of the earth nowadays, the name Lycra has grown to be the generic name for elastomeric spandex yarn.

one. For starters pre-polymer is made by mixing a macro glycol with a di-isocyanate monomer. They are really mixed in a reaction vessel and need the perfect conditions so they may possibly react to type a pre-polymer.

At Herng Fa, our SCY may be custom-made to meet distinct customer needs. The customization solutions consist of picking unique key yarns (which include purposeful yarn or coloration yarn) and matching yarns (practical yarn) to make exceptional SCY with possibly S or Z twists. The Z twist consists of a clockwise convert, when the S twist is often a counterclockwise switch.

In contrast to all kinds of other artificial fibers, spandex cannot be soften-processed because the polymer degrades on melting.

This text aims to lose light-weight on the differences in between these two supplies, their uses, and their traits. （一）Introduction website Just before diving into…

Lycra is usually a model name rather then a certain type of fiber for Spandex or elastane yarn. The DuPont Company of Virginia pioneered the development of spandex or elastane fibers. This enhancement came about in between 1958 and 1959.

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The solvent would make the answer thinner which can be simply taken care of. It could then be pumped to the fiber output cell.

Elasticity，toughness，breathability，flexibility，condition retention，great dyeability，lightweight

The fiber go over in this assignment which resemble rubber in that they have got higher extensibility and remarkably reactive forces which derive from their chemical character.

Spandex yarns are produced for a filament yarn, meaning the fiber is constant and with quite big share of elongation and recovery.

In comparison with conventional single-covered yarn methods, air covered spandex yarn provides a far more Expense-efficient output process without compromising on excellent.

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