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    DIN EN ISO 14931-2015 Leather - Guide to the selection of leather for apparel (excluding furs) (ISO 14931 2015) German version EN ISO 14931 2015《皮革 服饰用皮革的选择指南(毛皮除外)(ISO 14931-2015).pdf

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    DIN EN ISO 14931-2015 Leather - Guide to the selection of leather for apparel (excluding furs) (ISO 14931 2015) German version EN ISO 14931 2015《皮革 服饰用皮革的选择指南(毛皮除外)(ISO 14931-2015).pdf

    1、June 2015 Translation by DIN-Sprachendienst.English price group 8No 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).ICS 59

    2、.140.30!%C3z“2321687www.din.deDDIN EN ISO 14931Leather Guide to the selection of leather for apparel (excluding furs)(ISO 14931:2015);English version EN ISO 14931:2015,English translation of DIN EN ISO 14931:2015-06Leder Richtlinie zur Auswahl von Leder fr Bekleidung (Pelze ausgenommen) (ISO 14931:2

    3、015);Englische Fassung EN ISO 14931:2015,Englische bersetzung von DIN EN ISO 14931:2015-06Cuirs Guide pour la slection des cuirs pour vtements ( lexclusion des fourrures)(ISO 14931:2015);Version anglaise EN ISO 14931:2015,Traduction anglaise de DIN EN ISO 14931:2015-06SupersedesDIN EN ISO 14931:2005

    4、-03www.beuth.deIn case of doubt, the German-language original shall be considered authoritative.Document comprises 11 pages05.15 DIN EN ISO 14931:2015-06 2 A comma is used as the decimal marker. National foreword This document (EN ISO 14931:2015) has been prepared by Technical Committee ISO/TC 120 “

    5、Leather” in collaboration with Technical Committee CEN/TC 289 “Leather” (Secretariat: UNI, Italy). The responsible German body involved in its preparation was the DIN-Normenausschuss Materialprfung (DIN Standards Committee Materials Testing), Working Committee NA 062-05-51 AA Anforderungen und physi

    6、kalische Prfverfahren fr Leder und seine Ausgangsprodukte. The DIN Standards corresponding to the International Standards referred to in this document are as follows: ISO 105-B02 DIN EN ISO 105-B02 ISO 2418 DIN EN ISO 2418 ISO 2419 DIN EN ISO 2419 ISO 2588 DIN EN ISO 2588 ISO 3377-1 DIN EN ISO 3377-

    7、1 ISO 4044 DIN EN ISO 4044 ISO 4045 DIN EN ISO 4045 ISO 5402-1 DIN EN ISO 5402-1 ISO 11640 DIN EN ISO 11640 ISO 11641 DIN EN ISO 11641 ISO 11642 DIN EN ISO 11642 ISO 11643 DIN EN ISO 11643 ISO 11644 DIN EN ISO 11644 ISO 15700 DIN EN ISO 15700 ISO 17070 DIN EN ISO 17070 ISO 17075 DIN EN ISO 17075 ISO

    8、 17186 DIN EN ISO 17186 ISO 17226-1 DIN EN ISO 17226-1 ISO 17233 DIN EN ISO 17233 ISO 17234-1 DIN EN ISO 17234-1 ISO 17234-2 DIN EN ISO 17234-2 Amendments This standard differs from DIN EN ISO 14931:2005-03 as follows: a) Clause 1 “Scope” has been shortened; b) Clause 5 “Characteristics, test method

    9、s and recommended values” has been supplemented; c) further leather characteristics have been included in Table 1; d) the standard has been editorially revised. Previous editions DIN EN ISO 14931: 2005-03 DIN EN ISO 14931:2015-06 3 National Annex NA (informative) Bibliography DIN EN ISO 105-B02, Tex

    10、tiles Tests for colour fastness Part B02: Colour fastness to artificial light: Xenon arc fading lamp test DIN EN ISO 2418, Leather Chemical, physical and mechanical and fastness tests Sampling location DIN EN ISO 2419, Leather Physical and mechanical tests Sample preparation and conditioning DIN EN

    11、ISO 2588, Leather Sampling Number of items for a gross sample DIN EN ISO 3377-1, Leather Physical and mechanical tests Determination of tear load Part 1: Single edge tear DIN EN ISO 4044, Leather Chemical tests Preparation of chemical test samples DIN EN ISO 4045, Leather Chemical tests Determinatio

    12、n of pH DIN EN ISO 5402-1, Leather Determination of flex resistance Part 1: Flexometer method DIN EN ISO 11640, Leather Tests for colour fastness Colour fastness to cycles of to-and-fro rubbing DIN EN ISO 11641, Leather Tests for colour fastness Colour fastness to perspiration DIN EN ISO 11642, Leat

    13、her Tests for colour fastness Colour fastness to water DIN EN ISO 11643, Leather Tests for colour fastness Colour fastness of small samples to solvents DIN EN ISO 11644, Leather Tests for adhesion of finish DIN EN ISO 15700, Leather Tests for colour fastness Colour fastness to water spotting DIN EN

    14、ISO 17070, Leather Chemical tests Determination of tetrachlorophenol-, trichlorophenol-, dichlorophenol-, monochlorophenol-isomers and pentachlorophenol content DIN EN ISO 17075, Leather Chemical tests Determination of chromium(VI) content DIN EN ISO 17186, Leather Physical and mechanical tests Dete

    15、rmination of surface coating thickness DIN EN ISO 17226-1, Leather Chemical determination of formaldehyde content Part 1: Method using high performance liquid chromatography DIN EN ISO 17233, Leather Physical and mechanical tests Determination of cold crack temperature of surface coatings DIN EN ISO

    16、 17234-1, Leather Chemical tests for the determination of certain azo colorants in dyed leathers Part 1: Determination of certain aromatic amines derived from azo colorants DIN EN ISO 17234-2, Leather Chemical tests for the determination of certain azo colorants in dyed leathers Part 2: Determinatio

    17、n of 4-aminoazobenzene DIN EN ISO 14931:2015-06 4 This page is intentionally blank EN ISO 14931March 2015 ICS 59.140.30 Supersedes EN ISO 14931:2004English Version Leather - Guide to the selection of leather for apparel (excluding furs)(ISO 14931:2015)Cuirs - Guide pour la slection des cuirs pour vt

    18、ements( lexclusion des fourrures) (ISO 14931:2015) Leder - Richtlinie zur Auswahl von Leder fr Bekleidung (Pelze ausgenommen) (ISO 14931:2015) This European Standard was approved by CEN on 3 January 2015. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the c

    19、onditions 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 to any CEN member. This European Standard ex

    20、ists 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 official versions. CEN members are the national s

    21、tandards 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, Norway, Poland, Portugal, Romania, Slovakia,

    22、 Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2015 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 14931:2015 EEUROPEAN COMMITTEE FOR STANDARD

    23、IZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMContentsPage Foreword . 3 1 Scope . 4 2 Normative references. 4 3 Sampling . 5 4 Sample conditioning and preparation 5 5 Characteristics, test methods and recommended values . 5 6 Test r

    24、eport . 5 2DIN EN ISO 14931:2015-06 EN ISO 14931:2015 (E) ForewordThis document (EN ISO 14931:2015) has been prepared by Technical Committee ISO/TC 120 “Leather” in collaboration with Technical Committee CEN/TC 289 “Leather” the secretariat of which is held by UNI. This European Standard shall be gi

    25、ven the status of a national standard, either by publication of an identical text or by endorsement, at the latest by September 2015, and conflicting national standards shall be withdrawn at the latest by September 2015. Attention is drawn to the possibility that some of the elements of this documen

    26、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 ISO 14931:2004. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bo

    27、und to implement 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, Portug

    28、al, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 14931:2015 has been approved by CEN as EN ISO 14931:2015 without any modification. 3DIN EN ISO 14931:2015-06EN ISO 14931:2015 (E)1 ScopeThis International Standard gives rec

    29、ommended values and related test methods for apparel leather excluding furs. It also specifies the sampling and conditioning procedures of laboratory samples.2 Normative referencesThe following documents, in whole or in part, are normatively referenced in this document and are indispensable for its

    30、application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 105-B02, Textiles Tests for colour fastness Part B02: Colour fastness to artificial light: Xenon arc fading lamp testISO 241

    31、8, Leather Chemical, physical and mechanical and fastness tests Sampling locationISO 2419, Leather Physical and mechanical tests Sample preparation and conditioningISO 2588, Leather Sampling Number of items for a gross sampleISO 3377-1, Leather Physical and mechanical tests Determination of tear loa

    32、d Part 1: Single edge tearISO 4044, Leather Chemical tests Preparation of chemical test samplesISO 4045, Leather Chemical tests Determination of pHISO 5402-1, Leather Determination of flex resistance Part 1: Flexometer methodISO 11640, Leather Tests for colour fastness Colour fastness to cycles of t

    33、o-and-fro rubbingISO 11641, Leather Tests for colour fastness Colour fastness to perspirationISO 11642, Leather Tests for colour fastness Colour fastness to waterISO 11643, Leather Tests for colour fastness Colour fastness of small samples to solventsISO 11644, Leather Test for adhesion of finishISO

    34、 15700, Leather Tests for colour fastness Colour fastness to water spottingISO 17070, Leather Chemical tests Determination of pentachlorophenol contentISO 17075, Leather Chemical tests Determination of chromium(VI) contentISO 17186, Leather Physical and mechanical tests Determination of surface coat

    35、ing thicknessISO 17226-1, Leather Chemical determination of formaldehyde content Part 1: Method using high performance liquid chromatographyISO 17233, Leather Physical and mechanical tests Determination of cold crack temperature of surface coatingsISO 17234-1, Leather Chemical tests for the determin

    36、ation of certain azo colorants in dyed leathers Part 1: Determination of certain aromatic amines derived from azo colorantsISO 17234-2, Leather Chemical tests for the determination of certain azo colorants in dyed leathers Part 2: Determination of 4-aminoazobenzene4DIN EN ISO 14931:2015-06 EN ISO 14

    37、931:2015 (E) 3 Sampling3.1 When possible, the location and identification of laboratory samples shall be in accordance with ISO 2418.3.2 The number of samples shall be by agreement between the interested parties except in cases of dispute when the number of samples shall be in accordance with ISO 25

    38、88. In case the lot size of the leathers is high, the maximum number of samples shall be five.4 Sample conditioning and preparation4.1 Laboratory samples for physical, mechanical, and fastness tests shall be conditioned and prepared in accordance with ISO 2419.4.2 Laboratory samples for chemical tes

    39、ts shall be conditioned and prepared in accordance with ISO 4044.5 Characteristics, test methods and recommended values5.1 Table 1 and Table 2 show the characteristics, test methods, and recommended values for different types of leather intended for apparel. The essential characteristics (Table 1) s

    40、hall be taken all into account, even if they can have different relative weight in the process of evaluation relative to use. The subsidiary characteristics (Table 2) shall be agreed by the parties concerned according to the intended use of the leather.5.2 The coating thickness of leather shall be m

    41、easured according to ISO 17186.6 Test reportThe test report shall contain at least the following information:a) reference to this International Standard, i.e. ISO 14931;b) identification of test sample and if required, sampling procedure;c) date and place of the tests;d) test results and number of t

    42、est specimens;e) conditioning and test atmosphere used;f) any deviation from this document.5DIN EN ISO 14931:2015-06EN ISO 14931:2015 (E)Table 1 Essential characteristics, recommended values, and test methods for apparel leatherLeather characteristics Recommended value Test methodsCoating thickness

    43、0,15 mm (max) ISO 17186Colour fastness to light aniline 3 blue scalenubuck 3 blue scalesuede 3 blue scaleother finishing 4 blue scaleISO 105-B02Colour fastness toto-and-fro rubbingChange of colour and staining of the felt pad to be assessedFor aniline, nubuck, or suede: dry felt 20 cycles 3 grey sca

    44、le wet felt 10 cycles 3 grey scale wet with perspiration solutiona 10 cycles 3 grey scaleOther finishing: dry felt 50 cycles 3 grey scale wet felt 20 cycles 3 grey scale wet with perspiration solutiona 20 cycles 3 grey scaleISO 11640Colour fastness to water spotting referring to the residual halo af

    45、ter 24 h 3 grey scale(no blistering of the leather surface or other permanent physical effects and no salt spew formation)ISO 15700Colour fastness to dry cleaning 3 grey scaleno finish lost (no refatting)ISO 11643Flexing resistance aniline (nonpigmented finish) 20 000 cyclesleather (pigmented finish

    46、) 50 000 cyclesISO 5402-1Tear strength 20 N ISO 3377-1Azo colourant AbsentbISO 17234-1ISO 17234-2Chromium VI content 3 mg/kg ISO 17075Formaldehyde content 150 mg/kg ISO 17226-1Pentachlorophenol content 5 mg/kg ISO 17070pH and pH 3,2If the pH value is below 4, pH shall be 0,7ISO 4045aAlkaline artific

    47、ial perspiration solution is defined in ISO 11641.bEach amine indicated in ISO 17234-1 and ISO 17234-2 is considered “absent” if 30 mg/kg.6DIN EN ISO 14931:2015-06 EN ISO 14931:2015 (E) Table 2 Subsidiary characteristics, recommended values and test methods for apparel leatherLeather characteristics Recommended value Test methodsColour fastness to water 3 grey scale ISO 11642Finish adhesion (only for pigmented leathers) 2 N per 10 mmdry adhesionISO 11644Cold crack resistance (only for pigmented leathers)-10 C(no damage)ISO 172337DIN EN ISO 14931:2015-06EN ISO 14931:2015 (E)


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