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ISO 17202:2002Published

Textiles — Determination of twist in single spun yarns — Untwist/retwist method

Textiles — Détermination de la torsion des filés de fibres simples — Méthode de détorsion/retorsion

Abstract / scope

ISO 17202 specifies a method for the determination of the direction of twist in single yarns and the amount of twist, in terms of turns per unit length, by the indirect untwist/retwist method. It is applicable to single spun yarns.

The method is designed primarily for yarns in packages, but by the application of special precautions the procedures can be used for yarns taken from fabrics.