EN 13336-2012 en Leather - Upholstery leather characteristics - Guide for selection of leather for furniture《皮革-家具皮革特性 指导选择家具革的指导》.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 It supersedes BS EN 13336:2004 which is withdrawn.The UK participation in its preparation was entrusted to Technical CommitteeTCI/69, Footwear, leather and coated fabrics.A list of organizations represented on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 3Introduction .41 Scope 52 Normative references 53 Terms and definitions .64 General principles65 Sampling .66 Conditioning and sampling prepar

13、ation .67 Fundamental and complementary characteristics, test methods and recommended values .6BS 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 European Standard sha

14、ll 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 elements of this documen

15、t 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.2.1 have been rat

16、ionalised 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 - colour fastness to wa

17、ter 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, Czech Republic, De

18、nmark, 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 Kingdom. BS EN 13336:

19、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 Standard gives guid

20、elines 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 The following doc

21、uments, 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 1021-1, Furniture Ass

22、essment 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 leather trade EN I

23、SO 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 tests Sample prep

24、aration 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 Determination of pH (ISO 4

25、045) 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 perspiration (ISO 11

26、641) 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 17233) BS EN 13336:201

27、2EN 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, recommended values and test

28、 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 accordance with EN ISO

29、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 reference standar

30、d 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 shall be taken int

31、o 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 furniture to inform consum

32、ers 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 Fundamental characteristics, test methods and recommended values Fundamental characteristics Test method Recommended values Nubuck, Su

33、ede 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 finger 1 000 g EN ISO 11641 Perspiration alkaline solution is defined in EN ISO 11641. Aspects to be evaluated Change

34、 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 felt 50 cycles, 3 grey scale 500 cycles, 4 grey scale 500 cycles, 4 grey scale - using wet felt 20 cycles, 3 grey s

35、cale 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 Colour fastness to artificial light EN ISO 105-B02 (Method 3) 3 blue scale 4 blue scale 5 blue scale Dry finish adhes

36、ion 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 finish damage cracks) 50 000 cycles (no finish damage cracks) Colour fastness to water spotting EN ISO 15700 3 grey s

37、cale (No permanent swelling) 3 grey scale (No permanent swelling) 3 grey scale (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 Anilin

38、e 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 BS EN 13336:2012This page deliberately left blankBSI is

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