Specifies a method for the determination of the direction of twist in yarns, the amount of twist, in terms of turns per unit length, and the change in length on untwisting, by the direct counting method. Applicable to single, folded and cabled yarns. Replaces the first edition, which has been technically revised.
ISO 2061:1995 history
2015ISO 2061:2015 Textiles - Determination of twist in yarns - Direct counting method
2013ISO 2061:2010 Textiles — Determination of twist in yarns — Direct counting method
1995ISO 2061:1995 Textiles - Determination of twist in yarn - Direct counting method
1972ISO 2061:1972 Textiles; Determination of twist in yarns; Direct counting method