EN 13540:2002

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Leder - Physikalische und mechanische Prüfungen - Wärmebeständigkeit von LacklederCuir - Essais physiques et mécaniques - Détermination de la résistance a la chaleur des cuirs vernisLeather - Physical and mechanical tests - Determination of heat resistance of patent leather59.140.30Usnje in krznoLeather and fursICS:Ta slovenski standard je istoveten z:EN 13540:2002SIST EN 13540:2003en01-februar-2003SIST EN 13540:2003SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 13540December 2002ICS 59.140.30English versionLeather - Physical and mechanical tests - Determination of heatresistance of patent leatherCuir - Essais physiques et mécaniques - Détermination dela résistance à la chaleur des cuirs vernisLeder - Physikalische und mechanische Prüfungen -Wärmebeständigkeit von LacklederThis European Standard was approved by CEN on 24 October 2002.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 Management Centre 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 Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2002 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 13540:2002 ESIST EN 13540:2003

Method Amakes use of a modified lastometer whilst Method B uses the ‘Zwik’ apparatus.
Both methods are applicable topatent leathers for all end uses.2 Normative referencesThis European Standard incorporates by dated or undated reference, provisions from other publications. Thesenormative references are cited at the appropriate places in the text and the publications are listed hereafter. Fordated references, subsequent amendments to or revisions of any of these publications apply to this EuropeanStandard only when incorporated in it by amendment or revision. For undated references the latest edition of thepublication referred to applies (including amendments).prEN ISO 2418, Leather - Chemical, physical and mechanical and fastness tests - Sampling location (ISO/FDIS2418:2001)prEN ISO 2419, Leather - Physical and mechanical tests - Sample preparation and conditioning(ISO/FDIS 2419:2001)3 Method A - Lastometer method3.1 PrincipleA perforated test piece is distended by a specified amount. The surface is heated and any damage to the patentfinish is noted.3.2 Apparatus3.2.1A test machine, including the parts described in 3.2.1.1 to 3.2.1.4.3.2.1.1Clamp, capable of holding the test piece around its edge leaving free a central circular area ofdiameter 25,0 mm
0,1 mm. The design of its clamping system shall ensure that the test piece does not slip underthe test conditions and neither stretches nor compresses the central area as it is clamped. The boundary betweenthe free and clamped area shall be sharply defined.3.2.1.2Plunger, terminating in a steel ball of diameter 21,0 mm
0,1 mm.3.2.1.3Mechanism for thrusting the steel ball, without rotation against the test specimen.3.2.1.4Mechanism for monitoring the distension of the steel ball, (travel from zero) to an accuracy of
0,05mm.3.2.2Press knife, conforming to the requirements of prEN ISO 2419 for cutting test pieces of suitable dimensionsfor the test machine.3.2.3Sewing machine needle, sharp and undamaged, PCL size 80, either fitted into holder suitable for use byhand or into sewing machine.NOTEOther sized needles may be used if they are more appropriate to the sewing used in the shoe production.3.2.4Hot air blower, capable of maintaining a temperature of 100 °C
5 °C or 125 °C
5 °C.3.2.5Temperature measuring device, reading to 1 °C.3.2.6Stopwatch, reading to 1s.SIST EN 13540:2003
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