EN 14704-1:2005
(Main)Determination of the elasticity of fabrics - Part 1: Strip tests
Determination of the elasticity of fabrics - Part 1: Strip tests
This standard describes the methods of test, which can be used to measure elasticity and related properties of fabrics, excluding narrow fabrics.
Bestimmung der Elastizität von textilen Flächengebilden - Teil 1: Streifenprüfungen
Dieses Dokument legt die Prüfverfahren fest, die an Streifen von Flächengebilden, ausgelegt als gerade Streifen oder in Schleifen, zum Messen der Elastizität und damit verbundener Eigenschaften von Flächengebilden, mit Ausnahme von Bandwaren, verwendet werden können.
Détermination de l'élasticité des étoffes - Partie 1: Essais sur bande
Le présent document décrit des méthodes d�essai utilisant des bandes droites d�étoffes ou en boucles, qui
peuvent être utilisées pour mesurer l�élasticité et les propriétés connexes des étoffes, à l�exclusion des tissus
étroits.
Ugotavljanje elastičnosti ploskovnih tekstilij - 1. del: Preskusi traku
General Information
- Status
- Withdrawn
- Publication Date
- 12-Apr-2005
- Withdrawal Date
- 25-Feb-2020
- Technical Committee
- CEN/TC 248 - Textiles and textile products
- Drafting Committee
- CEN/TC 248/WG 22 - Elasticity of fabrics
- Current Stage
- 9960 - Withdrawal effective - Withdrawal
- Start Date
- 26-Feb-2020
- Completion Date
- 26-Feb-2020
Relations
- Effective Date
- 07-Aug-2019
Frequently Asked Questions
EN 14704-1:2005 is a standard published by the European Committee for Standardization (CEN). Its full title is "Determination of the elasticity of fabrics - Part 1: Strip tests". This standard covers: This standard describes the methods of test, which can be used to measure elasticity and related properties of fabrics, excluding narrow fabrics.
This standard describes the methods of test, which can be used to measure elasticity and related properties of fabrics, excluding narrow fabrics.
EN 14704-1:2005 is classified under the following ICS (International Classification for Standards) categories: 59.080.30 - Textile fabrics. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 14704-1:2005 has the following relationships with other standards: It is inter standard links to EN ISO 20932-1:2020. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
You can purchase EN 14704-1:2005 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of CEN standards.
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Determination of the elasticity of fabrics - Part 1: Strip testsDétermination de l'élasticité des étoffes - Partie 1: Essais sur bandeBestimmung der Elastizität von textilen Flächengebilden - Teil 1: Streifenprüfungen59.080.30TkanineTextile fabricsICS:SIST EN 14704-1:2005enTa slovenski standard je istoveten z:EN 14704-1:200501-julij-2005SIST EN 14704-1:2005SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 14704-1April 2005ICS 59.080.30English versionDetermination of the elasticity of fabrics - Part 1: Strip testsDétermination de l'élasticité des étoffes - Partie 1: Essaissur bandeBestimmung der Elastizität von textilen Flächengebilden -Teil 1: StreifenprüfungenThis European Standard was approved by CEN on 3 March 2005.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2005 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 14704-1:2005: E
Example of a typical cycling graph.15 Annex B (informative)
Procedure for sampling.16 Annex C (informative)
Clamping and holding devices.17 Annex D (informative)
Example of a pattern for cutting test specimens from a laboratory sample.20
The reasons for the development of this document are because of technical advancements in yarn and fabric structures and properties, which increase product range and developments. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
1 Scope This document describes the methods of test using strips of fabric in straight strip form or as loops, which can be used to measure elasticity and related properties of fabrics, excluding narrow fabrics.
2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN ISO 139, Textiles - Standard atmospheres for conditioning and testing (ISO 139:2005). EN ISO 7500-1, Metallic materials – Verification of static uniaxial testing machines – Part 1: Tension/compression testing machines – Verification and calibration of the force-measuring system (ISO 7500-1:2004). EN ISO 10012:2003, Measurement management systems - Requirements for measurement processes and measuring equipment (ISO 10012:2003). ISO 4915, Textiles – Stitch types – Classification and terminology. 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 narrow fabric woven or knitted construction intended for use as a trim, binding, edging, strapping or harness, and designed to be used in its full width 3.2 elasticity property of a material by virtue of which it tends to recover its original size and shape immediately after the removal of the force causing deformation 3.3 constant-rate-of-extension (CRE) testing machine tensile testing machine provided with one clamp, which is stationary, and another clamp, which moves with a constant speed throughout the test, the entire testing system being virtually free from deflection 3.4 strip test specimen test specimen in which the full width is gripped in the jaws of the testing machine 3.5 loop test specimen test specimen in which a seam is made to create a loop of the full width of the specimen and which is placed around a loop bar assembly positioned on the testing machine
NOTE This method of preparation is useful when any ageing or exposure testing is to be carried out on the specimens after measurement.
a) For strip tests, method A: distance between the two contact points of the line clamps b) For loop tests, method B: half of the circumference around the loop bar assembly 3.7 slack mounting insertion of a strip test specimen in the line clamps of the upper jaw, allowing it to hang freely under its own weight, guided by the hand to ensure perpendicular alignment to the line of pulling force, without any force being applied 3.8 initial length length of the test specimen between the two effective clamping or holding points, before testing 3.9 extension increase in length of a test specimen produced by a force as a result of testing, expressed in units of length, millimetres 3.10 elongation ratio of the extension of the test specimen to its initial length, expressed as a percentage 3.11 maximum force force recorded in newtons at the position when a test specimen is taken to a fixed extension 3.12 maximum extension extension recorded in millimetres at the position when a test specimen is taken to a fixed load 3.13 modulus force measured at a given elongation on either the load or unload curves 3.14 cycle process whereby a fabric is taken from the gauge length to a fixed load or fixed extension or elongation and returned to gauge length
3.15 force decay due to time loss of force measured over time when a test specimen is stretched to a specified elongation or force and held at this position for a given time period NOTE The decay in force is expressed as a percentage of the original force recorded at the specified position (see Annex A).
3.16 force decay due to exercising loss of force, calculated and expressed as a percentage, as measured and recorded at the same elongation point on two different cycles when the test specimen is cycled several times between zero and a specified elongation (see Annex A)
Under conditions of use, the accuracy of the apparatus shall be at least class 1 of EN ISO 7500-1.
The error of the indicated or recorded maximum force at any point in the range in which the machine is used shall not exceed 1 %, and the error of the indicated or recorded jaw separation shall not exceed 1 mm. b) If recording of force or elongation is obtained by means of data acquisition boards and software, the frequency of data collection shall be at least eight per second. c) The machine shall be capable of constant rates of extension including 20 mm to 500 mm per min with an accuracy of ±10 %. d) The machine shall be capable of variable gauge length settings including 100 mm to 250 mm, to an accuracy of ±1 mm. e) The clamping or holding devices shall be positioned with the centre in line with the applied force.
The machine shall be calibrated with the grips in position and the jaw faces closed, where applicable. The jaws shall be capable of holding the test specimen without allowing it to slip and designed so that they do not cut or otherwise weaken the test specimen.
(for method A) Line clamps, as shown in Figure C.1, shall consist of two jaws, one being of steel plate, the other having a convex 3 mm radius.
The line of contact of the jaws shall be perpendicular to the line of increasing force, the clamping faces shall be in the same plane.
The line clamp jaws shall not be less than the width of the test specimen and preferable have a width of (70 ± 6) mm.
NOTE 1 Significant levels of work have shown this type of line clamp is the preferred type for elastane / elastodiene containing fabrics as fabric slippage is eliminated.
If a fabric slips the elongation values are inaccurate.
NOTE 2 Pneumatic operated grips are recommended as hand tightening of manual grips can cause distortion of the test specimen.
The air pressure should be sufficient to prevent slippage but should not cut or otherwise weaken the test specimen. Loop bar assembly (for method B) The loop bar assembly shall be as shown Figures C.2a or C.2b and is typically comprised of two steel bars of circular cross-section and the diameter between 4 mm and 8 mm. The specimen is looped over these bars and extended as the bars move apart. The axes of the bars shall be perpendicular to the line of increasing force.
The steel bar holders shall have a minimum internal dimension of 80 mm. 6.2 Equipment for cutting test specimens and for fraying, where applicable to the required dimensions. 6.3 Sewing machine capable of producing a type 301 lockstitch as defined in ISO 4915, furnished with a medium ballpoint needle (90’s SUK) and 470 decitex (ticket 75’s) polyester core-spun thread.
NOTE If there is a risk of damage to the fabric a finer needle and corresponding polyester core spun thread can be used. 6.4 Calibrated metal rule graduated in millimetres. 7 Atmosphere for conditioning and testing The atmospheres for preconditioning, conditioning and testing shall be as specified in EN ISO 139 The fabric samples shall be conditioned for a minimum of 20 h in a tension free state. The prepared specimens shall be conditioned in a tension free state for a further 4 h after preparation, to minimise the effects of handling during preparation. 8 Preparation of test specimens 8.1 General From each laboratory sample a set of test specimens shall be cut in the direction(s) of the stretch.
A set shall consist of a minimum of five test specimens.
In accordance
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La norme SIST EN 14704-1:2005 a pour objectif principal de présenter des méthodes de test pour déterminer l'élasticité des tissus, spécifiquement par le biais de tests en bande. Cette norme se concentre sur la mesure de l'élasticité et des propriétés associées des tissus, ce qui en fait un document essentiel pour les professionnels du secteur textile. L'un des points forts de cette norme est sa précision et sa clarté dans la présentation des méthodes de test. En décrivant des procédures standardisées, elle facilite l'harmonisation des pratiques au sein de l'industrie textile. L'exclusion des tissus étroits permet de concentrer l'analyse sur les tissus plus larges et couramment utilisés, assurant ainsi une pertinence immédiate pour les fabricants et les laboratoires d'essai. De plus, la norme entreprend de combler un vide méthodologique en fournissant des bases solides pour évaluer l'élasticité des tissus. Cela est particulièrement important dans un contexte où les exigences des consommateurs en matière de confort et de performance des textiles augmentent. En mettant l'accent sur l'élasticité, la norme répond à une demande croissante pour des produits textiles qui allient résistance et souplesse. En termes de pertinence, la norme SIST EN 14704-1:2005 s'avère indispensable pour ceux qui travaillent dans le secteur de la mode, de l'habillement et des matériaux textiles. Les résultats des tests d'élasticité peuvent avoir un impact direct sur la qualité perçue du produit final, influençant ainsi les décisions des consommateurs et les stratégies de mise en marché. Ainsi, la norme EN 14704-1:2005 se positionne comme un outil fondamental pour garantir non seulement la conformité des produits, mais aussi pour soutenir l'innovation dans les textiles, en permettant aux fabricants d'optimiser leurs créations en matière d'élasticité et par conséquent de performance. Cette norme est donc pertinente pour l'ensemble de l'écosystème textile, du développement aux tests, en passant par la production.
EN 14704-1:2005 표준은 섬유의 탄성 및 관련 특성을 측정하기 위한 시험 방법을 규명하며, 좁은 섬유를 제외한 다양한 섬유(texture)에서의 적용 가능성을 갖추고 있다. 이 표준은 섬유의 신축성과 그 성질에 대한 객관적인 측정을 가능하게 함으로써, 산업 전반에 걸쳐 유용한 데이터를 제공한다. 이 문서의 주요 강점은 그 명확한 측정 방법과 절차에 있다. EN 14704-1:2005는 테스트 진행 시 모든 사용자가 이해할 수 있도록 구성되어 있어, 표준화된 접근 방식을 통해 재현성이 높은 결과를 도출할 수 있다. 이러한 신뢰도 높은 데이터는 섬유 제조업체와 디자이너가 제품의 품질을 평가하고 향상시키는 데 중요한 기초 자료로 활용된다. 또한, 이 표준은 다양한 섬유 적용 분야에 광범위하게 사용될 수 있으며, 의류 산업에서의 필요성이 특히 두드러진다. 소비자들의 요구에 따른 제품 탄성의 변화를 민감하게 반영할 수 있는 기준을 제공함으로써, 시장 경쟁력을 높이는데 기여할 수 있다. EN 14704-1:2005는 개발자와 품질 관리 담당자에게 바람직한 기준을 마련해줌으로써, 섬유 산업의 전반적인 품질 향상에 지속적인 영향을 미친다. 결론적으로, SIST EN 14704-1:2005 표준은 섬유의 탄성을 규명하고 측정하는 데 있어 필수적인 도구로 자리 잡고 있으며, 섬유 관련 산업의 발전 가능성을 열어주는 중요한 역할을 한다.
Die Norm EN 14704-1:2005 beschäftigt sich mit der Bestimmung der Elastizität von Stoffen durch Streifenprüfungen. Sie bietet eine umfassende Anleitung zur Durchführung von Testmethoden, die es ermöglichen, die Elastizität sowie damit verbundene Eigenschaften von Textilien zu messen. Dies geschieht mit einem klaren Fokus auf spezielle Prüfmethoden, die für breite Stoffe anwendbar sind, während schmale Gewebe ausgeschlossen werden. Ein bemerkenswerter Aspekt dieser Norm ist ihre detaillierte Methodik, die für die Entwickler und Hersteller von Textilien entscheidend ist, um die Qualität und Funktionalität ihrer Produkte zu gewährleisten. Die präzisen Vorgaben zur Durchführung von Prüfungen garantieren eine konsistente und reproduzierbare Messung der elastischen Eigenschaften, die für viele Anwendungen in der Bekleidungs- und Textilindustrie von großer Bedeutung sind. Die Relevanz der Norm EN 14704-1:2005 liegt in ihrer Fähigkeit, den Herstellern eine fundierte Grundlage zu bieten, um die Elastizität ihrer Stoffe zu beurteilen. In einer Branche, in der die Elastizität eine zentrale Rolle für den Komfort und die Leistung von Textilien spielt, ist diese Norm unverzichtbar. Somit trägt die Norm nicht nur zur Qualitätskontrolle bei, sondern unterstützt auch Innovationen im Bereich der Textiltechnologie. Zusammenfassend lässt sich sagen, dass die Norm EN 14704-1:2005 eine wertvolle Ressource für alle Beteiligten in der Textilindustrie ist, die an der Entwicklung und Prüfung von Stoffen arbeiten, und sie ist entscheidend für die Sicherstellung von Elastizität und damit verbundenen Eigenschaften von Textilien.
標準EN 14704-1:2005には、生地の弾力性を評価するためのテスト方法が示されています。この標準は、狭幅織物を除くさまざまな生地に適用されるため、広範な用途を持っています。弾力性試験の部分に特化していることから、特にアパレル業界や生地メーカーにおいて、その重要性が増しています。 このドキュメントの強みは、その明確な手順説明にあります。標準化されたテスト方法が提供されることにより、ユーザーは一貫した結果を得ることができ、製品の品質管理が容易になります。また、弾力性の測定は、最終製品の性能に直接影響を与えるため、製造プロセスの最適化や製品開発においても非常に重要な位置を占めます。 さらに、この標準は、国際的な取引においても役立ちます。異なる地域での生地の弾力性測定が標準化されることで、各国間での製品比較が容易になり、国際的なビジネスの推進にも寄与します。これにより、企業は市場への適応力を高め、競争力を強化することができます。 EN 14704-1:2005は、弾力性という特性に注目しているため、特定の用途におけるパフォーマンスを正確に理解するための基盤となります。この標準に従うことで、生地の耐久性、フィット感、快適性など、多くの関連特性についても信頼性の高いデータを得ることが可能です。これにより、業界全体の研究開発と製品改善が促進されます。 総じて、SIST EN 14704-1:2005は、弾力性の測定に関する詳細かつ実用的なガイドラインを提供し、生地業界の標準化において重要な役割を果たします。その中で生じるデータは、品質向上や顧客満足度の向上に寄与し、業界内でのさまざまな目的に広く適用されることで、その関連性がいっそう高まります。
The EN 14704-1:2005 standard, titled "Determination of the elasticity of fabrics - Part 1: Strip tests," serves as a pivotal document in the textile industry by establishing a clear methodology for assessing the elasticity and related properties of fabrics, specifically excluding narrow fabrics. This standard is essential for manufacturers and quality control professionals, as it provides a precise framework for conducting elasticity tests that ensure consistent quality and performance in textile products. One of the key strengths of EN 14704-1:2005 is its comprehensive approach to testing. The standard outlines specific strip test methods that facilitate accurate measurement of fabric elasticity, allowing for straightforward implementation in industrial settings. This clarity in method ensures that testing procedures are repeatable and reproducible, which is crucial for maintaining quality assurance in fabric production. Furthermore, the relevance of EN 14704-1:2005 extends beyond just measurement; it contributes significantly to the overall understanding of fabric behavior under various conditions. By focusing on elasticity, this standard aids in the development and improvement of fabrics used in a wide range of applications, from apparel to technical textiles, where elasticity is a vital attribute. The document's scope also implies a restriction to narrow fabrics, which sharpens the focus on broader categories of materials, making its findings applicable to a wide array of fabric types. This inclusivity enhances its utility for textile professionals seeking to innovate or enhance their product lines based on elasticity characteristics. Overall, EN 14704-1:2005 stands out as an authoritative reference for the determination of fabric elasticity, combining a well-structured testing methodology with practical implications for the textile industry, thereby solidifying its relevance and necessity in ongoing fabric development and quality assurance initiatives.
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