SOUTH AFRICAN NATIONAL STANDARD

Transcription

1 ISBN Any reference to SABS 142 is deemed to be a reference to this standard (Government Notice No of 8 November 2002) SOUTH AFRICAN NATIONAL STANDARD Narrow elastic fabrics and strip Published by SABS Standards Division 1 Dr Lategan Road Groenkloof Private Bag X191 Pretoria 0001 Tel: Fax: SABS

2 Table of changes Change No. Date Scope Coll. amdt Amended to replace references to SABS methods, which have been withdrawn and superseded, with references to SABS ISO methods which cover colourfastness and quantitative textile fibre analysis. Amdt Amended to include a third type of elastic and to update a test method and a reference to quality systems. Amdt Amended to change the designation of SABS standards to SANS standards, and to delete the reference to the Fibre Technology Standards Department of the South African Bureau of Standards. Foreword This South African standard was approved by National Committee SABS TC 1084, Textile products, in accordance with procedures of the SABS Standards Division, in compliance with annex 3 of the WTO/TBT agreement. This document was published in May This document supersedes SABS 142:2001 (edition 2.2). A vertical line in the margin shows where the text has been technically modified by amendment No. 2. Annex A forms and integral part of this standard. Annexes B and C are for information only.

3 Contents Page Foreword 1 Scope Normative references Definitions Requirements Inspection and methods of test Inspection Conditioning Width Rapid aging test Copper wash and heat test Dimensional stability on laundering Colourfastness to washing Colourfastness to perspiration Colourfastness to light Packing, labelling and marking... 9 Annex A (normative) Notes to purchasers Annex B (informative) Information for purchasers of narrow elastic fabrics and strip Annex C (informative) Quality verification of narrow elastic fabrics and strip Bibliography

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5 Narrow elastic fabrics and strip 1 Scope 1.1 This standard specifies performance requirements for narrow woven, knitted and braided elastic fabrics and for narrow elastic in strip form. 1.2 This standard is not applicable to elastics intended for high load-bearing applications, for example, bungy cords. 2 Normative references The following standards contain provisions which, through reference in this text, constitute provisions of this standard. All standards are subject to revision and, since any reference to a standard is deemed to be a reference to the latest edition of that standard, parties to agreements based on this standard are encouraged to take steps to ensure the use of the most recent editions of the standards indicated below. Information on currently valid national and international standards can be obtained from the South African Bureau of Standards. SANS 70, Conditioning of textiles and standard temperate atmosphere for determining their physical and mechanical properties. SANS 84, Length of fabric in a piece or roll. SANS 105-B02, Textiles Tests for colour fastness Part B02: Colour fastness to artificial light: Xenon arc fading lamp test. Coll. amdt 1 SANS 105-E04, Textiles Tests for colour fastness Part E04: Colour fastness to perspiration. Coll. amdt 1 SANS 960, Textiles Dimensional stability during washing and drying procedures. SANS 977, Textile tolerances. SANS 5488, Width of ribbons and other narrow fabrics. SANS 10004, Terms and definitions for textiles and textile merchandise. SANS 11166, Textiles Colourfastness to domestic washing procedures. SANS , Textiles Tensile properties of fabrics Part 1: Determination of maximum force and elongation at maximum force using the strip method. Amdt 1 3