This document specifies criteria, with relevant test methods, to be applied in describing single spun grey cotton yarns. These yarns are widely used in international trade.

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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 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 7211-4.
This 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 procedure 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.

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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 7211‑4.
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.

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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 7211‑4. 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.

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ISO 18067:2015 specifies methods for the determination of dry-hot air shrinkage (after treatment) of synthetic filament yarns, skein method and single-end method. The skein method provides two forms of measurement which are of manual and automatic types. The single-end method gives the result by manual measurement. In case of dispute, manual measurement procedure is to be used. If these methods are not applicable, the corresponding test methods may be agreed between interested parties. ISO 18067:2015 is applicable to synthetic filament yarns of linear density less than 3 000 dtex. ISO 18067:2015 is not applicable to partially oriented yarns.

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ISO 18066:2015 specifies a test method for the determination of the boiling water shrinkage of non-textured and textured multifilament yarns (made of polyester, polyamide, polypropylene, cellulose fibre, etc.) Only automatic method is specified in this International Standard. This International Standard is applicable to manmade filament yarns of linear density less than 3 000 dtex. This International Standard is not applicable to partially oriented yarns.

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This International Standard specifies methods for the determination of the breaking force and elongation at break of textile yarns taken from packages. Four methods are given: - A: manual; specimens are taken directly from conditioned packages; - B: automatic; specimens are taken directly from conditioned packages; - C: manual; relaxed test skeins are used after conditioning; - D: manual; specimens are used after wetting. Method C is used in cases of dispute regarding elongation at break of the yarn. This International Standard specifies methods using constant rate of specimen extension (CRE) tensile testers. Testing on the now obsolete constant rate of travel (CRT) and constant rate of loading (CRL) instruments is covered, for information, in Annex A, in recognition of the fact that these instruments are still in use and can be used by agreement. This International Standard applies to all types of yarns, except glass, elastomeric, aramid, high molecular polyethylene (HMPE), ultra high molecular polyethylene (UHMPE), ceramic and carbon yarns and polyolefin tape. This International Standard is applicable to yarns from packages but can be applied to yarns extracted from fabrics, subject to agreement between the interested parties. This International Standard is intended for the single-end (single-strand) testing of yarns.

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ISO 2062:2009 specifies methods for the determination of the breaking force and elongation at break of textile yarns taken from packages.
Four methods are given:
A: manual; specimens are taken directly from conditioned packages;
B: automatic; specimens are taken directly from conditioned packages;
C: manual; relaxed test skeins are used after conditioning;
D: manual; specimens are used after wetting.
Method C is used in cases of dispute regarding elongation at break of the yarn.
ISO 2062:2009 specifies methods using constant rate of specimen extension (CRE) tensile testers. Testing on the now obsolete constant rate of travel (CRT) and constant rate of loading (CRL) instruments is covered, for information, in Annex A, in recognition of the fact that these instruments are still in use and can be used by agreement.
ISO 2062:2009 applies to all types of yarns, except glass, elastomeric, aramid, high molecular polyethylene (HMPE), ultra high molecular polyethylene (UHMPE), ceramic and carbon yarns and polyolefin tape.
ISO 2062:2009 is applicable to yarns from packages but can be applied to yarns extracted from fabrics, subject to agreement between the interested parties.
ISO 2062:2009 is intended for the single-end (single-strand) testing of yarns.

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ISO 2062:2009 specifies methods for the determination of the breaking force and elongation at break of textile yarns taken from packages. Four methods are given: A: manual; specimens are taken directly from conditioned packages; B: automatic; specimens are taken directly from conditioned packages; C: manual; relaxed test skeins are used after conditioning; D: manual; specimens are used after wetting. Method C is used in cases of dispute regarding elongation at break of the yarn. ISO 2062:2009 specifies methods using constant rate of specimen extension (CRE) tensile testers. Testing on the now obsolete constant rate of travel (CRT) and constant rate of loading (CRL) instruments is covered, for information, in Annex A, in recognition of the fact that these instruments are still in use and can be used by agreement. ISO 2062:2009 applies to all types of yarns, except glass, elastomeric, aramid, high molecular polyethylene (HMPE), ultra high molecular polyethylene (UHMPE), ceramic and carbon yarns and polyolefin tape. ISO 2062:2009 is applicable to yarns from packages but can be applied to yarns extracted from fabrics, subject to agreement between the interested parties. ISO 2062:2009 is intended for the single-end (single-strand) testing of yarns.

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This part of ISO 13936 describes a method for the determination of the resistance offered by the yarns of a woven fabric to slippage while being held in a needle clamp under conditions of stress. This method provides a means to negate variations introduced by seam preparation or sewing thread variation that can have a marked influence on test results. This method is not applicable to stretch fabrics or for industrial fabric, e.g. beltings.

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ISO 23733:2007 specifies a test method for the determination of the linear density of chenille yarns.

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This European Standard specifies test methods for quality control of textured and non textured multifilament synthetic yarns. It includes the following test methods:
-   determination of the crimp contraction - textured multifilament yarn with linear density up to 500 dtex;
-   determination of the hot air shrinkage - for non textured and textured multifilament yarns;
-   determination of the boiling water shrinkage - for non textured and textured multifilament yarns.

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This European Standard specifies test methods for quality control of textured and non textured multifilament synthetic yarns. It includes the following test methods:
-   determination of the crimp contraction - textured multifilament yarn with linear density up to 500 dtex;
-   determination of the hot air shrinkage - for non textured and textured multifilament yarns;
-   determination of the boiling water shrinkage - for non textured and textured multifilament yarns.

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Migrated from Progress Sheet (TC Comment) (2000-07-10): Result of the splitting of WI 022; See also WIs 270 and 272 (TC Res C14/1996)

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Migrated from Progress Sheet (TC Comment) (2000-07-10): Result of the splitting of WI 022; See also WIs 271 and 272 (TC Res C14/1996)

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ISO 13936-2:2004 is intended for the determination of the resistance offered by thread systems of woven fabric, to slippage at a sewn seam.
The method described is suitable for all apparel and upholstery woven fabrics, stretch fabrics (including those containing elastomeric yarn).

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ISO13936-1:2004 is intended for the determination of the resistance offered by thread systems of woven fabric, to slippage at a sewn seam.

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This draft European Standard specifies a method for the determination of tensile properties of monofilaments and specifies test requirements in addition where needed.

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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.

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This European Standard specifies requirements for industrial sewing threads made wholly or partly from synthetic fibres. It specifies requirements for industrial sewing threads  based on breaking force in relation to the thread size. For threads which are for use in the garment trade it also specifies colour fastness and boiling water shrinkage requirements. It deals with industrial sewing threads made from the following substrates and combinations of substrates: a) Continuous filament polyester; b) Staple fibre polyester; c) Air-Jet textured polyester (see 3.3); d) False twist textured polyester (see 3.4);...

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Establishes 14 terms and definitions for characteristics of textured filament yarns.

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Names the various types of textured filament yarn and defines them in relation to the processes by which they are produced.

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Defines the principal terms used to described the various forms into which textile fibres can be assembled, up to and including cabled yarns. Only contains terms of general application. Terms and/or definitions which are specific to particular fibres (such as hemp, silk, textile glass, metal fibre, carbon fibre, etc) are excluded.

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This European standard specifies the essential characteristics of sisal twines. It specifies the way they are manufactured, methods for testing and the manner in which they are designated and presented commercially. This standard does not specify agricultural twines which are made from sisal. These twines are specified according to EN 25080:1993.

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This European Standard specifies several methods for preparing laboratory samples of fibres, yarns or fabrics and presents a limited treatment of the problem of drawing specimens for testing. The principle of each method is given at the beginning of the clause dealing with the method. It is not possible for the coverage of each individual procedure to be fully comprehensive; in many instances, the selection of test samples or test specimens is necessarily covered by the appropriate method of test.

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This European standard specifies requirements for twines made from polypropylene. It specifies the methods for their manufacture, their physical characteristics, as well as describing test methods to verify these characteristics. This standard allows ultra violet high inhibitors to be added but does not require them to be added. Requirements for the commercial presentation of twines are also specified. This standard does not specify requirements for agricultural twines made of polyolefin, which are covered according to EN 906:1996.

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This European Standard specifies requirements for industrial sewing threads made wholly or partly from synthetic fibres. It specifies requirements for industrial sewing threads  based on breaking force in relation to the thread size. For threads which are for use in the garment trade it also specifies colour fastness and boiling water shrinkage requirements. It deals with industrial sewing threads made from the following substrates and combinations of substrates: a) Continuous filament polyester; b) Staple fibre polyester; c) Air-Jet textured polyester (see 3.3); d) False twist textured polyester (see 3.4);...

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This standard specifies test methods applicable for para-aramid filament yarns designed for high performance applications. It applies to para-aramid filament yarns for cables, ropes, belts, braids and fabrics as used for sports, protec- tive and industrial textile applications, reinforced rubber goods, tires etc. It is not applicable for para-aramid filament yarns for fibre reinforced composites.

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This European Standard specifies several methods for preparing laboratory samples of fibres, yarns or fabrics and presents a limited treatment of the problem of drawing specimens for testing. The principle of each method is given at the beginning of the clause dealing with the method. It is not possible for the coverage of each individual procedure to be fully comprehensive; in many instances, the selection of test samples or test specimens is necessarily covered by the appropriate method of test.

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This European standard specifies requirements for twines made from polypropylene. It specifies the methods for their manufacture, their physical characteristics, as well as describing test methods to verify these characteristics. This standard allows ultra violet high inhibitors to be added but does not require them to be added. Requirements for the commercial presentation of twines are also specified. This standard does not specify requirements for agricultural twines made of polyolefin, which are covered according to EN 906:1996.

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This European standard specifies the essential characteristics of sisal twines. It specifies the way they are manufactured, methods for testing and the manner in which they are designated and presented commercially. This standard does not specify agricultural twines which are made from sisal. These twines are specified according to EN 25080:1993.

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Describes two methods of indicating the composition of yarns, whether single, folded, cabled or multiple wound. The notation comprises linear density indicated in the Tex System, number of filaments in filament yarns of all kinds except special kinds of yarns, e.g. fancy yarns, textured yarns, bulked yarns or yarns produced by wrapping a textile or non-textile material round a core.

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Cancels and replaces the first edition (1972). Specifies a method for the determination of the linear density of all types of yarn in package form. Includes seven optional procedures based on different methods of conditioning and preparation. This method is applicable to single yarns; folded yarns; cabled yarns. Not applicable to yarns which stretch more than 0,5 % when the tension, in centinewtons, per unit linear density of yarn, in tex, increases from 0,5 to 1,0. Not applicable to yarns having a linear density greater than 2 000 tex.

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The test specimen obtained as specified in ISO 6741-1, following the procedures given in ISO 6741-2, is cleaned by the method recommended for the particular fibre in ISO 6741-4. Different cleaning procedures are described in detail.

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Laboratory samples are taken from the containers in the consignment samples obtained as specified in ISO 6741-1 and placed in stoppered, air-tight vessels for subsequent processing. Sampling procedures for different forms of fibres and yarns are described.

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Specifies methods for the determination of the commercial mass of homogeneous consignments of those textile fibres and yarns composed of a single generic species. Not applicable to beamed yarns, to coated yarns, to fibres and yarns put up for retail sale or to fibre blends. - Replaces the first edition (ISO 6841-1:1987), the only change of which consists of drying temperature stated for silk.

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Applicable to yarn intermediates such as slivers, slubbings or rovings; to single yarns, plied yarns, cabled yarns; and to threads, twine, cordage and rope. The direction of twist in yarns, slivers, slubbings and rovings is indicated by the capital letters S and Z. The directions of twist are described in two figures. Designation of complex yarns and related products is explained.

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Cancels and replaces the first edition (1972). Specifies a method for the determination of the linear density of all types of yarn in package form. Includes seven optional procedures based on different methods of conditioning and preparation. This method is applicable to single yarns; folded yarns; cabled yarns. Not applicable to yarns which stretch more than 0,5 % when the tension, in centinewtons, per unit linear density of yarn, in tex, increases from 0,5 to 1,0. Not applicable to yarns having a linear density greater than 2 000 tex.

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Cancels and replaces the first edition (1972). Specifies a method for the determination of the linear density of all types of yarn in package form. Includes seven optional procedures based on different methods of conditioning and preparation. This method is applicable to single yarns; folded yarns; cabled yarns. Not applicable to yarns which stretch more than 0,5 % when the tension, in centinewtons, per unit linear density of yarn, in tex, increases from 0,5 to 1,0. Not applicable to yarns having a linear density greater than 2 000 tex.

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Establishes 14 terms and definitions for characteristics of textured filament yarns.

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Specifies methods for the determination of the commercial mass of homogeneous consignments of those textile fibres and yarns composed of a single generic species. Not applicable to beamed yarns, to coated yarns, to fibres and yarns put up for retail sale or to fibre blends. - Replaces the first edition (ISO 6841-1:1987), the only change of which consists of drying temperature stated for silk.

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Applicable to spun single and folded yarns of any fibre or mixture of fibres manufactured by any spinning systems. Not recommended for testing filament yarns, glass yarns, more complex structures such as cabled yarns or cords. Not applicable to those yarns having a diameter so great as to prevent the winding of the skein in two even layers. - Replaces the first edition (ISO 6939:1982) and constitutes its minor revision.

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Laboratory samples are taken from the containers in the consignment samples obtained as specified in ISO 6741-1 and placed in stoppered, air-tight vessels for subsequent processing. Sampling procedures for different forms of fibres and yarns are described.

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The test specimen obtained as specified in ISO 6741-1, following the procedures given in ISO 6741-2, is cleaned by the method recommended for the particular fibre in ISO 6741-4. Different cleaning procedures are described in detail.

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Defines the principal terms used to described the various forms into which textile fibres can be assembled, up to and including cabled yarns. Only contains terms of general application. Terms and/or definitions which are specific to particular fibres (such as hemp, silk, textile glass, metal fibre, carbon fibre, etc) are excluded.

  • Standard – translation
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Names the various types of textured filament yarn and defines them in relation to the processes by which they are produced.

  • Standard – translation
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Describes two methods of indicating the composition of yarns, whether single, folded, cabled or multiple wound. The notation comprises linear density indicated in the Tex System, number of filaments in filament yarns of all kinds except special kinds of yarns, e.g. fancy yarns, textured yarns, bulked yarns or yarns produced by wrapping a textile or non-textile material round a core.

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Applicable to yarn intermediates such as slivers, slubbings or rovings; to single yarns, plied yarns, cabled yarns; and to threads, twine, cordage and rope. The direction of twist in yarns, slivers, slubbings and rovings is indicated by the capital letters S and Z. The directions of twist are described in two figures. Designation of complex yarns and related products is explained.

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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.

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ISO 2061:2010 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
ISO 2061:2010 is applicable to
single yarns (spun and filament),
plied yarns, and
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.
ISO 2061:2010 covers the determination of twist in plied and cabled yarns as follows:
in plied yarns: the final twist of the plied yarns and the original twist of the single yarn before plying;
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.

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