Stretch fabrics have become more and more popular in the clothing industry. Not only sports fashion but also day-today garments have a better fit and retain their shapes when elastic yarns are used. The so-called core yarns, which are used for stretch fabrics, are a challenge for the textile industry. For example during yarn clearing, which eliminates yarn faults during winding, faults in core yarns have to be detected very reliably. Optical yarn clearers, like the Zenit+ from Loepfe, offer the superior method for this application.
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