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ISO 2061:2015

Current
Current

The latest, up-to-date edition.

Textiles Determination of twist in yarns Direct counting method
Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

French, English

Published date

29-06-2015

ISO 2061:2015 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 the determination of twist in a monofilament.

NOTE See also ISO 1890, which was prepared especially for the needs of glass textile technology, and ISO 72114.

ISO 2061:2015 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 procedure given in 10.5.7.

ISO 2061:2015 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.

ISO 2061:2015 is not suitable for products of open-end spinning and intermingled (interlaced) multifilament yarns.

ISO 2061:2015 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.

DevelopmentNote
Supersedes ISO/FDIS 2061. (07/2015)
DocumentType
Standard
Pages
13
PublisherName
International Organization for Standardization
Status
Current
Supersedes

CGSB 4.2-8.1 : M1989(R2013) TEXTILE TEST METHODS - TEXTILES - WOVEN FABRICS - CONSTRUCTION - METHODS OF ANALYSIS - PART 4: DETERMINATION OF TWIST IN YARNS REMOVED FROM FABRIC
PREN 4416 : 200P1 AEROSPACE SERIES - NON-METALLIC MATERIALS - TEXTILES - WIDE WOVEN FABRICS - TECHNICAL SPECIFICATION
I.S. EN 60456:2016 CLOTHES WASHING MACHINES FOR HOUSEHOLD USE - METHODS FOR MEASURING THE PERFORMANCE
IEC PAS 63125:2017 Clothes washing machines for commercial use - Methods for measuring the performance
IEC 60456:2010 Clothes washing machines for household use - Methods for measuring the performance
DIN EN ISO 12947-1:2007-04 Textiles - Determination of the abrasion resistance of fabrics by the Martindale method - Part 1: Martindale abrasion testing apparatus (ISO 12947-1:1998 + Cor. 1:2002) (includes Corrigendum AC:2006)
EN 12562 : 1999 TEXTILES - PARA-ARAMID MULTIFILAMENT YARNS - TEST METHODS
11/30203534 DC : DRAFT AUG 2011 BS ISO 13270 - STEEL FIBRES FOR CONCRETE - DEFINITIONS AND SPECIFICATIONS
17/30354892 DC : 0 BS ISO 10290 - TEXTILES - COTTON YARNS - BASIS FOR SPECIFICATION
17/30356400 DC : 0 BS EN 17116-4 - SPECIFICATIONS FOR INDUSTRIAL LAUNDRY MACHINES - DEFINITIONS AND TESTING OF CAPACITY AND CONSUMPTION CHARACTERISTICS - PART 4: WASHER-EXTRACTORS
BIS IS 12673-1 : 2014 TEXTILES - DETERMINATION OF THE ABRASION RESISTANCE OF FABRICS BY THE MARTINDALE METHOD - PART 1: MARTINDALE ABRASION TESTING APPARATUS
ISO 10290:1993 Textiles Cotton yarns Specifications
EN 60456:2016 Clothes washing machines for household use - Methods for measuring the performance
PD CLC/TS 50640:2015 Clothes washing machines for commercial use. Methods for measuring the performance
16/30349000 DC : 0 BS IEC 62885-4 ED 1.0 - SURFACE CLEANING APPLIANCES - PART 4: CORDLESS DRY VACUUM CLEANERS FOR HOUSEHOLD OR SIMILAR USE - METHODS FOR MEASURING THE PERFORMANCE
ISO 7211-4:1984 Textiles — Woven fabrics — Construction — Methods of analysis — Part 4: Determination of twist in yarn removed from fabric
API SPEC 17K : 2017 SPECIFICATION FOR BONDED FLEXIBLE PIPE
ISO 2267:1986 Surface active agents Evaluation of certain effects of laundering Methods of preparation and use of unsoiled cotton control cloth
S.R. CLC/TS 50640:2015 CLOTHES WASHING MACHINES FOR COMMERCIAL USE - METHODS FOR MEASURING THE PERFORMANCE
BS ISO 10290:1993 Textiles. Cotton yarns. Specifications
UNI EN ISO 12947-1 : 2000 TEXTILES - DETERMINATION OF THE ABRASION RESISTANCE OF FABRICS BY THE MARTINDALE METHOD - MARTINDALE ABRASION TESTING APPARATUS
08/30181397 DC : DRAFT APR 2008 BS EN 60456 - CLOTHES WASHING MACHINES FOR HOUSEHOLD USE - METHODS FOR MEASURING THE PERFORMANCE
PREN 4415 : 200P1 AEROSPACE SERIES - NON-METALLIC MATERIALS - TEXTILES - NARROW WOVEN FABRICS - TECHNICAL SPECIFICATION
ISO 17202:2002 Textiles Determination of twist in single spun yarns Untwist/retwist method
IEC TS 62885-1:2016 Surface cleaning appliances - Part 1: General requirements on test material and test equipment
NF EN 60456 : 2005 AMD 11 2006 CLOTHES WASHING MACHINES FOR HOUSEHOLD USE - METHODS FOR MEASURING THE PERFORMANCE
BS EN ISO 12947-1 : 1999 TEXTILES - DETERMINATION OF THE ABRASION RESISTANCE OF FABRICS BY THE MARTINDALE METHOD - PART 1: MARTINDALE ABRASION TESTING APPARATUS
UNE-EN 60456:2016 Clothes washing machines for household use - Methods for measuring the performance
BS EN 4415:2006 Aerospace series. Non-metallic materials. Textiles. Narrow woven fabrics. Technical specification
BS EN 4416:2006 Aerospace series. Non-metallic materials. Textiles. Wide woven fabrics. Technical specification
EN 4416:2006 Aerospace series - Non-metallic materials - Textiles - Wide woven fabrics - Technical specification
EN 4415:2006 Aerospace series - Non-metallic materials - Textiles - Narrow woven fabrics - Technical specification
EN ISO 12947-1:1998/AC:2006 TEXTILES - DETERMINATION OF THE ABRASION RESISTANCE OF FABRICS BY THE MARTINDALE METHOD - PART 1: MARTINDALE ABRASION TESTING APPARATUS
17/30356403 DC : 0 BS EN 17116-3 - SPECIFICATIONS FOR INDUSTRIAL LAUNDRY MACHINES - DEFINITIONS AND TESTING OF CAPACITY AND CONSUMPTION CHARACTERISTICS - PART 3: CONTINUOUS TUNNEL WASHER
BS ISO 7211-4:1984 Textiles. Woven fabrics. Construction. Methods of analysis Determination of twist in yarn removed from fabric
99/711592 DC : DRAFT JULY 1999 PREN 4415 - AEROSPACE SERIES - NON-METALLIC MATERIALS - TEXTILES - NARROW WOVEN FABRICS - TECHNICAL SPECIFICATION
BS ISO 17202:2002 Textiles. Determination of twist in single spun yarns. Untwist/retwist method
BS 2864:1984 Method for determination of twist in yarn removed from fabric
NFL 17 900 : A2003 AEROSPACE SERIES - PARACHUTE FABRIC - GUIDELINES FOR THE DRAFTING OF TECHNICAL SPECIFICATIONS
BS EN 60456:2016 Clothes washing machines for household use. Methods for measuring the performance
BS EN 12562:1999 Textiles. Para-aramid multifilament yarns. Test methods
CLC/TS 50640:2015 Clothes washing machines for commercial use - Methods for measuring the performance

ISO 2:1973 Textiles Designation of the direction of twist in yarns and related products
ISO 1890:2009 Reinforcement yarns Determination of twist
ISO 7211-4:1984 Textiles — Woven fabrics — Construction — Methods of analysis — Part 4: Determination of twist in yarn removed from fabric
ISO 139:2005 Textiles Standard atmospheres for conditioning and testing

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