BS EN 13336-2012 Leather Upholstery leather characteristics Guide for selection of leather for furniture《皮革 内饰皮革特性 家具用皮革的选择指南》.pdf

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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationLeather Upholstery leather characteristics Guide for selection of leather for furnitureBS EN 13336:2012National forewordThis British Standard is the UK implementation of EN 13336

2、:2012. It supersedes BS EN 13336:2004 which is withdrawn.The UK participation in its preparation was entrusted to Technical CommitteeTCI/69, Footwear, leather and coated fabrics.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not

3、 purport to include all the necessary provisions of acontract. Users are responsible for its correct application. The British Standards Institution 2012Published by BSI Standards Limited 2012ISBN 978 0 580 73142 6ICS 59.140.30; 97.140Compliance with a British Standard cannot confer immunity fromlega

4、l obligations.In particular, attention is drawn to:Statutory Instrument 1988 No. 1324, The Furniture and Furnishings (Fire)(Safety) Regulations 1988;Statutory Instrument 1989 No. 2358, The Furniture and Furnishings (Fire)(Safety) (Amendment) Regulations 1989;Statutory Instrument 1993 No. 207, The Fu

5、rniture and Furnishings (Fire)(Safety) (Amendment) Regulations 1993; andStatutory Instrument 2010 No. 2205, The Furniture and Furnishings (Fire)(Safety) (Amendment) Regulations 2010.This British Standard was published under the authority of the StandardsPolicy and Strategy Committee on 30 November 2

6、012.Amendments issued since publicationAmd. No. Date Text affectedBRITISH STANDARDBS EN 13336:2012EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 13336 October 2012 ICS 59.140.30 Supersedes EN 13336:2004English Version Leather - Upholstery leather characteristics - Guide for selection of leathe

7、r 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 European Standard was approved by CEN on 11 August 2012. CEN members are bound to comply with the CEN/CENELEC

8、 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 concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or t

9、o 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 into its own language and notified to the CEN-CENELEC Management Centre has the same status as the offici

10、al 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, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, N

11、orway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation i

12、n any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 13336:2012: EBS EN 13336:2012EN 13336:2012 (E) 2 Contents Page Foreword 3g3Introduction .4g31 Scope 5g32 Normative references 5g33 Terms and definitions .6g34 General principles6g35 Sampling .6g36 Conditioning and s

13、ampling preparation .6g37 Fundamental and complementary characteristics, test methods and recommended values .6g3BS EN 13336:2012EN 13336:2012 (E) 3 Foreword This document (EN 13336:2012) has been prepared by Technical Committee CEN/TC 289 “Leather”, the secretariat of which is held by UNI. This Eur

14、opean 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 by April 2013. Attention is drawn to the possibility that some of the elemen

15、ts 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 technical changes since the previous edition: - Tables A.1.a; A.1.b; A.1.c and A

16、.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 fundamental characteristic - pH minimum value has been modified from 3,2 to 3,5 - col

17、our 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 implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus,

18、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, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kin

19、gdom. BS EN 13336:2012EN 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 their negotiations. BS EN 13336:2012EN 13336:2012 (E) 5 1 Scope This European S

20、tandard 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 leathers and wool-on leathers are not covered by this standard. 2 Normative references

21、 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 latest edition of the referenced document (including any amendments) applies. EN 102

22、1-1, 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 source match flame equivalent EN 15987:2011, Leather Terminology Key definitions for the

23、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 fastness tests Sampling location (ISO 2418) EN ISO 2419, Leather Physical and mechanical

24、 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 Preparation of chemical test samples (ISO 4044) EN ISO 4045, Leather Chemical tests Determin

25、ation 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 rubbing (ISO 11640) EN ISO 11641, Leather Tests for colour fastness Colour fastness to pe

26、rspiration (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 mechanical tests Determination of cold crack temperature of surface coatings (ISO 1723

27、3) BS EN 13336:2012EN 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 performance of different types of leather intended for upholstery. The characteristics, recommend

28、ed 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 sampled in accordance with standard procedures given in EN ISO 2418. If sampling in accor

29、dance 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 conditioned and prepared for physical, mechanical and fastness tests in accordance with the

30、 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, test methods and recommended values All the fundamental characteristics indicated in Table 1

31、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 of those expected, it is advisable to issue appropriate guidance with upholstered furnitur

32、e to inform consumers of likely performance as well as in service care and maintenance instructions in order to avoid unnecessary problems. BS EN 13336:2012EN 13336:2012 (E) 7 Table 1 Fundamentalcharacteristics, test methods and recommendedvaluesFundamental characteristics Test methodRecommendedvalu

33、esNubuck, Suede and Aniline Semi-anilineCoated, Pigmented and otherpH and pH EN ISO4045g1493,5Ifthe pH valueis20N 20N 20N Colourfastness toto-and-fro rubbing:EN ISO11640Total massoffinger1 000 gEN ISO11641Perspiration alkaline solution isdefined in EN ISO11641.Aspectsto beevaluated Change ofleatherc

34、olourand felt stainingChange ofleathercolourand felt stainingNo destruction offinishChange ofleathercolourand feltstainingNo destruction offinish-using dryfelt50 cycles,g1493 greyscale 500 cycles, g1494 greyscale500 cycles, g1494 greyscale-using wet felt20 cycles,g1493 greyscale80 cycles, g1493/4gre

35、yscale250 cycles, g1493/4 greyscale-using feltwetted with artificialperspiration20 cycles,g1493 greyscale50 cycles, g1493/4greyscale80 cycles, g1493/4greyscaleColourfastness toartificiallightEN ISO105-B02 (Method 3)g1493 blue scaleg1494 blue scaleg1495 blue scaleDryfinish adhesionEN ISO11644-g1492 N

36、/10mmg1492 N/10mmDryflexresistanceEN ISO5402-1Foraniline leatherwith non-pigmented finishonly, 20000 cycles(no finishdamage cracks)50 000 cycles(no finish damage cracks)50 000 cycles(no finish damage cracks)Colourfastness towater spottingEN ISO15700g1493 greyscale (No permanent swelling)g1493 greysc

37、ale (No permanent swelling)g1493 greyscale (No permanent swelling)BS EN 13336:2012EN 13336:2012 (E) 8 Table 2 Complementary characteristics, test methods and recommended values Complementary characteristics Test methods Recommended values Nubuck, Suede and Aniline Semi-aniline Coated, Pigmented and

38、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 BS EN 13336:2012This page deliberately left blankBSI is the independent national body respon

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