NEN-EN-ISO 2061:2010 en

Textiel - Bepaling van de twist en de twijn van garens - Directe telmethode

  • Deze norm is ingetrokken sinds 29-07-2015

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Over deze norm

Status Ingetrokken
Aantal pagina's 12
Commissie Textiel en kleding
Gepubliceerd op 01-08-2010
Taal Engels
This International Standard 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. This International Standard is applicable to a) single yarns (spun and filament), b) plied yarns, and c) cabled yarns. Separate procedures are given for each type of yarn. The method is designed primarily for yarns in packages, but, with special precautions, the procedures can be used for yarns taken from fabrics. It is not suitable for theThis International Standard covers the determination of twist in plied and cabled yarns as follows: a) in plied yarns: the final twist of the plied yarns and the original twist of the single yarn before plying; b) in cabled yarns: - the final cabling twist of the yarn; - the original twist of the plied yarn after plying, but prior to the last stage of processing; - the twist of the single yarn before plying. If desired, the twist of single and plied yarn components as they lie in the final structure can be determined by the special procedrue given in 10.5.7. This International Standard is not applicable, except by agreement, to yarns which stretch more than 0,5 % when the tension increases from 0,5 cN to 1,0 cN per unit linear density of the yarn expressed in tex. Such yarns can be tested under special conditions of tension which are accepted by all parties interested in the test results. This International Standard is not suitable for products of open-end spinning and intermingled (interlaced) multifilament yarns. This International Standard is not applicable to yarns which are too large to permit their being placed in the clamps of the testing apparatus without crushing or distortion severe enough to affect the test results.


ICS-code 59.080.20
Nederlandse titel Textiel - Bepaling van de twist en de twijn van garens - Directe telmethode
Engelse titel Textiles - Determination of twist in yarns - Direct counting method
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