1、December 2012 Translation by DIN-Sprachendienst.English price group 7No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).IC
2、S 59.140.30!$“1929995www.din.deDDIN EN 13336Leather Upholstery leather characteristics Guide for selection of leather for furniture;English version EN 13336:2012,English translation of DIN EN 13336:2012-12Leder Richtwerte fr Mbelleder Leitfaden zur Auswahl von Mbelleder;Englische Fassung EN 13336:20
3、12,Englische bersetzung von DIN EN 13336:2012-12Cuir Caractristiques des cuirs pour la garniture Guide pour le choix de cuirs pour lameublement;Version anglaise EN 13336:2012,Traduction anglaise de DIN EN 13336:2012-12SupersedesDIN EN 13336:2004-11www.beuth.deDocument comprises pagesIn case of doubt
4、, the German-language original shall be considered authoritative.1011.12 DIN EN 13336:2012-12 2 A comma is used as the decimal marker. National foreword This standard has been prepared by Technical Committee CEN/TC 289 “Leather” (Secretariat: UNI, Italy). The responsible German body involved in its
5、preparation was the Normenausschuss Materialprfung (Materials Testing Standards Committee), Working Committee NA 062-05-51 AA Anforderungen und physika-lische Prfverfahren fr Leder und seine Ausgangsprodukte. Amendments This standard differs from DIN EN 13336:2004-11 as follows: a) Tables A.1a, A.1.
6、b, A.1.c and A.2.1 have been revised and combined in Table 1 and Table 2; b) pigmented leather values have been enlarged to include coated and other kinds of leather; c) the new parameter “dry flex resistance” has been introduced as a fundamental characteristic; d) the minimum pH value has been chan
7、ged from 3,2 to 3,5; e) “colour fastness to water spotting” has been moved from complementary characteristics (Table 2) to fundamental characteristics (Table 2). Previous editions DIN EN 13336: 2004-11 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 13336 October 2012 ICS 59.140.30 Supersedes E
8、N 13336:2004English Version Leather - Upholstery leather characteristics - Guide for selection of leather for furniture Cuir - Caractristiques des cuirs pour la garniture - Guide pour le choix de cuirs pour lameublement Leder - Richtwerte fr Mbelleder - Leitfaden zur Auswahl von Mbelleder This Europ
9、ean Standard was approved by CEN on 11 August 2012. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references con
10、cerning such national standards may be obtained on application to the CEN-CENELEC 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 translation under the responsibility of a CEN member i
11、nto its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France,
12、 Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMIT
13、EE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 13336:2012: EEN 13336:2012 (E) 2 Contents Page Foreword 3Introduction .41 Scope 52 Normative references 53 Term
14、s and definitions .64 General principles65 Sampling .66 Conditioning and sampling preparation .67 Fundamental and complementary characteristics, test methods and recommended values .6DIN EN 13336:2012-12 EN 13336:2012 (E) 3 Foreword This document (EN 13336:2012) has been prepared by Technical Commit
15、tee CEN/TC 289 “Leather”, the secretariat of which is held by UNI. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by April 2013, and conflicting national standards shall be withdrawn at the latest b
16、y April 2013. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 13336:2004. The following is a list of techn
17、ical changes since the previous edition: - Tables A.1.a; A.1.b; A.1.c and A.2.1 have been rationalised in Table 1 and Table 2, with modifications - pigmented leather values have been enlarged to coated and other kind of leather - new parameter “dry flex resistance“ has been introduced, as fundamenta
18、l characteristic - pH minimum value has been modified from 3,2 to 3,5 - colour fastness to water spotting“ has been moved from subsidiary to fundamental characteristic According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to impl
19、ement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania
20、, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. DIN EN 13336:2012-12 EN 13336:2012 (E) 4 Introduction This document was prepared by CEN/TC 289 “Leather“ in order to provide the leather and furniture industries with guidelines on which both sellers and buyers can base
21、 their negotiations. DIN EN 13336:2012-12 EN 13336:2012 (E) 5 1 Scope This European Standard gives guidelines for the test methods and recommended values for upholstery leather for furniture. This European Standard also specifies the sampling and conditioning procedures of specimens. Furs, hair-on l
22、eathers and wool-on leathers are not covered by this standard. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the
23、 latest edition of the referenced document (including any amendments) applies. EN 1021-1, Furniture Assessment of the ignitability of upholstered furniture Part 1: Ignition source smouldering cigarette EN 1021-2, Furniture Assessment of the ignitability of upholstered furniture Part 2: Ignition sour
24、ce match flame equivalent EN 15987:2011, Leather Terminology Key definitions for the leather trade EN ISO 105-B02, Textiles Tests for colour fastness Part B02: Colour fastness to artificial light: Xenon arc fading lamp test (ISO 105-B02) EN ISO 2418, Leather Chemical, physical and mechanical and fas
25、tness tests Sampling location (ISO 2418) EN ISO 2419, Leather Physical and mechanical tests Sample preparation and conditioning (ISO 2419) EN ISO 3377-1, Leather Physical and mechanical tests Determination of tear load Part 1: Single edge tear (ISO 3377-1) EN ISO 4044, Leather Chemical tests Prepara
26、tion of chemical test samples (ISO 4044) EN ISO 4045, Leather Chemical tests Determination of pH (ISO 4045) EN ISO 5402-1, Leather Determination of flex resistance Part 1: Flexometer method (ISO 5402-1:2011) EN ISO 11640, Leather Tests for colour fastness Colour fastness to cycles of to-and-fro rubb
27、ing (ISO 11640) EN ISO 11641, Leather Tests for colour fastness Colour fastness to perspiration (ISO 11641) EN ISO 11644, Leather Test for adhesion of finish (ISO 11644) EN ISO 15700, Leather Tests for colour fastness Colour fastness to water spotting (ISO 15700) EN ISO 17233, Leather Physical and m
28、echanical tests Determination of cold crack temperature of surface coatings (ISO 17233) DIN EN 13336:2012-12 EN 13336:2012 (E) 6 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 15987:2011 apply. 4 General principles This document considers the perform
29、ance of different types of leather intended for upholstery. The characteristics, recommended values and test methods are stated in Table 1. Subsidiary characteristics are stated in Table 2. 5 Sampling If the leather piece available for testing is a whole hide or skin then the test specimens shall be
30、 sampled in accordance with standard procedures given in EN ISO 2418. If sampling in accordance with EN ISO 2418 is not possible (e.g. leathers are from finished products) details about the sampling shall be given in the test report. 6 Conditioning and sampling preparation Leather samples shall be c
31、onditioned and prepared for physical, mechanical and fastness tests in accordance with the reference standard atmosphere specified in EN ISO 2419. Leather samples for chemical tests shall be conditioned and prepared in accordance with EN ISO 4044. 7 Fundamental and complementary characteristics, tes
32、t methods and recommended values All the fundamental characteristics indicated in Table 1 shall be taken into account. The complementary characteristics stated in Table 2 shall be agreed by the parties according to the intended end use of the leather. Whilst the values in Tables 1 and 2 are typical
33、of those expected, it is advisable to issue appropriate guidance with upholstered furniture to inform consumers of likely performance as well as in service care and maintenance instructions in order to avoid unnecessary problems. DIN EN 13336:2012-12 EN 13336:2012 (E) 7 Table 1 Fundamental character
34、istics, test methods and recommended values Fundamental characteristics Test method Recommended values Nubuck, Suede and Aniline Semi-aniline Coated, Pigmented and other pH and pH EN ISO 4045 3,5 If the pH value is 20 N 20 N 20 N Colour fastness to to-and-fro rubbing: EN ISO 11640 Total mass of fing
35、er 1 000 g EN ISO 11641 Perspiration alkaline solution is defined in EN ISO 11641. Aspects to be evaluated Change of leather colour and felt staining Change of leather colour and felt staining No destruction of finish Change of leather colour and felt staining No destruction of finish - using dry fe
36、lt 50 cycles, 3 grey scale 500 cycles, 4 grey scale 500 cycles, 4 grey scale - using wet felt 20 cycles, 3 grey scale 80 cycles, 3/4 grey scale 250 cycles, 3/4 grey scale - using felt wetted with artificial perspiration 20 cycles, 3 grey scale 50 cycles, 3/4 grey scale 80 cycles, 3/4 grey scale Colo
37、ur fastness to artificial light EN ISO 105-B02 (Method 3) 3 blue scale 4 blue scale 5 blue scale Dry finish adhesion EN ISO 11644 - 2 N/10 mm 2 N/10 mm Dry flex resistance EN ISO 5402-1 For aniline leather with non-pigmented finish only, 20 000 cycles (no finish damage cracks) 50 000 cycles (no fini
38、sh damage cracks) 50 000 cycles (no finish damage cracks) Colour fastness to water spotting EN ISO 15700 3 grey scale (No permanent swelling) 3 grey scale (No permanent swelling) 3 grey scale (No permanent swelling) DIN EN 13336:2012-12 EN 13336:2012 (E) 8 Table 2 Complementary characteristics, test
39、 methods and recommended values Complementary characteristics Test methods Recommended values Nubuck, Suede and Aniline Semi-aniline Coated, Pigmented and Other Cold crack resistance of finish EN ISO 17233 - 15 C (no finish crack) - 15 C (no finish crack) Burning behaviour Use in absence of national regulations EN 1021-1 and EN 1021-2 No soaking Pass Pass Pass DIN EN 13336:2012-12
