ISO INTERNATIONAL STANDARD 5473 Second edition 1997-02-15 Rubber-orplastics-coatedfabrics - Determination of crush resistance Supports textiles revetus de caoutchouc ou de plastique - Détermination de la reésistance a I'écrasement ISO Reference number ISO 5473:1997(E) IHS un Not for Resale ISO 5473:1997(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies (IsO committees. Each member body interested in a subject for which a technical committee has been established has Commission (IEC) on all matters of electrotechnical standardization. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. International Standard ISO 5473 was prepared by Technical Committee ISO/TC 45, Rubber and rubber products This second edition cancels and replaces the first edition (IsO 5473:1979), which has been technically revised. @ISO1997 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced microfilm, without permission in writing from the publisher. International Organization for Standardization Casepostale56·CH-1211Geneve20·Switzerland Internet [email protected] X.400 C=ch; a=4oOnet; p=iso; o=isocs; S=central Printed in Switzerland itional Organization for Standardizatior INTERNATIONALSTANDARD ISO ISO 5473:1997(E) Rubber- or plastics-coated fabrics - Determination of crush resistance WARNING - Persons using this International Standard should be familiar with normal laboratory practice. with any national regulatory conditions. 1 Scope This International Standard specifies a method for determining the crush resistance of fabrics coated with rubber or plastics. The method is applicable particularly to diaphragm material cut from coated fabrics. 2 Normative references Thefollowingstandardscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthis International Standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below.Members of IEC and IsO maintain registers of currently valid International Standards. Iso 2231:1989, Rubber- or plastics-coated fabrics - Standard atmospheres for conditioning and testing. IsO 2286-1:—", Rubber- or plastics-coated fabrics - Determination of roll characteristics - Part 1: Method for determination of the length, width and net mass of a roll. 3 Principle 4 Apparatus 4.1 Base plate, having the dimensions shown in figure 1. 4.2 Load button assembly, having the dimensions shown in figure 2. 4.3 Compression-testing machine, having a speed of approximately 0,o8 mm/s. Any type of machine that will meet this requirement may also be used. For example, a platform scale equipped with a yoke over the platform and a hand-operated screw to apply the force will serve if it conforms to the requirements prescribed for accuracy and speed. The load source shall have a total capacity of at least 5 400 N. 1) To be published. (Revision, in parts, of ISO 2286:1986) Copyright Interna nal Organization for Standardizatior