SIRO YARN A CRITICAL REVIEW

Textile Technology

Siro Yarn is made with a process of Siro Spinning or Elitwist spinning. In this, the yarn is made into 2 ply on the ring spinning machine. Siro Yarns are available in Carded, Combed, Carded Compact and combed Compact. In the early of 1980s, Commonwealth Scientific International Research Organization (CSIRO) introduces siro yarn with superior yarn properties. CSIRO prepared siro yarn by introducing two parallel rovings with a predetermined spacing in the drafted zone of conventional ring spinning system Traditionally, two-fold yarns have been used for weaving because they are stronger, and the twisting operation binds the surface fibers into the yarn structure so that it is smoother and more resistant to abrasion during weaving. Properties of spun yarns are mainly affected by fiber properties and yarn structure. Yarn structure is principally influenced by the spinning system. In fact, each spinning system tends to produce a distinctive yarn structure. Recent refinements in spinning technologies have yielded significant improvement in yarn structure.

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