1、BSI Standards PublicationBS EN 16419:2014Leather Chamois leatherfor cleaning purposes Classification and requirementsBS EN 16419:2014 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 16419:2014.The UK participation in its preparation was entrusted to TechnicalCom
2、mittee TCI/69, Footwear, leather and coated fabrics.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British S
3、tandards Institution 2014. Published by BSI StandardsLimited 2014ISBN 978 0 580 78189 6ICS 59.140.30Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 January 2014
4、.Amendments issued since publicationDate Text affectedBS EN 16419:2014EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 16419 January 2014 ICS 59.140.30 English Version Leather - Chamois leather for cleaning purposes - Classification and requirements Cuir - Peau chamoise - Classification et exige
5、nces Leder - Smischleder fr Reinigungszwecke - Klassifizierung und Anforderungen This European Standard was approved by CEN on 23 November 2013. 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
6、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 exists in three official versions (English, French, German). A
7、 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 standards bodies of Austria, Belgium, Bulgaria, Croatia, Cypr
8、us, 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 United Kin
9、gdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 16419:
10、2014 EBS EN 16419:2014EN 16419:2014 (E) 2 Contents Page Foreword 3 Introduction .4 1 Scope 5 2 Normative references 5 3 Terms and definitions .6 4 Sampling and conditioning .6 5 Classification by quality 7 6 Requirements .8 7 Labelling .9 7.1 General 9 7.2 Essential information 9 7.3 Additional info
11、rmation 9 8 Marking .9 BS EN 16419:2014EN 16419:2014 (E) 3 Foreword This document (EN 16419:2014) has been prepared by Technical Committee 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
12、an identical text or by endorsement, at the latest by July 2014, and conflicting national standards shall be withdrawn at the latest by July 2014. 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 hel
13、d responsible for identifying any or all such patent rights. 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, Denmark, Estonia
14、, Finland, 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 16419:2014EN 16419:2014 (E) 4 Introduction Chamois leather
15、for cleaning purposes is used notably for drying and polishing smooth surfaces, such as car bodies and windows. Its properties are the rapid absorption and release of water, performances that remain unaltered even after a long usage period. Chamois leather for cleaning purposes is made only from fir
16、st choice ovine skins. Generally, chamois leather is trimmed before sale only in order to achieve a homogenous and symmetrical size or shape. Chamois leathers have the natural colour conferred by the oil tanning, homogeneous and uniform all over the surface. Their appearance is soft, velvety on both
17、 sides, without any traces of grain, holes, cuts and seams. BS EN 16419:2014EN 16419:2014 (E) 5 1 Scope This European Standard applies to chamois leather for cleaning purposes and defines both requirements and standard test methods. 2 Normative references The following documents, in whole or in part
18、, 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 15987, Leather - Terminology - Key definitions f
19、or the leather trade EN ISO 2417, Leather - Physical and mechanical tests - Determination of the static absorption of water (ISO 2417) EN ISO 2418, Leather - Chemical, physical and mechanical and fastness tests - Sampling location (ISO 2418) EN ISO 2419, Leather - Physical and mechanical tests - Sam
20、ple preparation and conditioning (ISO 2419) EN ISO 2589, Leather - Physical and mechanical tests - Determination of thickness (ISO 2589) EN ISO 3376, Leather - Physical and mechanical tests - Determination of tensile strength and percentage extension (ISO 3376) EN ISO 3377-1, Leather - Physical and
21、mechanical tests - Determination of tear load - Part 1: Single edge tear (ISO 3377-1) EN ISO 3380, Leather - Physical and mechanical tests - Determination of shrinkage temperature up to 100 degrees C (ISO 3380) EN ISO 4044, Leather - Chemical tests - Preparation of chemical test samples (ISO 4044) E
22、N ISO 4045, Leather - Chemical tests - Determination of pH (ISO 4045) EN ISO 4047, Leather - Determination of sulphated total ash and sulphated water-insoluble ash (ISO 4047) EN ISO 4048, Leather - Chemical tests - Determination of matter soluble in dichloromethane and free fatty acid content (ISO 4
23、048) EN ISO 4684, Leather - Chemical tests - Determination of volatile matter (ISO 4684) EN ISO 5398-1, Leather - Chemical determination of chromic oxide content - Part 1: Quantification by titration (ISO 5398-1) EN ISO 5398-2, Leather - Chemical determination of chromic oxide content - Part 2: Quan
24、tification by colorimetric determination (ISO 5398-2) EN ISO 5398-3, Leather - Chemical determination of chromic oxide content - Part 3: Quantification by atomic absorption spectrometry (ISO 5398-3) EN ISO 5398-4, Leather - Chemical determination of chromic oxide content - Part 4: Quantification by
25、inductively coupled plasma - optical emission spectrometer (ICP-OES) (ISO 5398-4) BS EN 16419:2014EN 16419:2014 (E) 6 EN ISO 11646, Leather - Measurement of area (ISO 11646) EN ISO 17072-2, Leather - Chemical determination of metal content - Part 2: Total metal content (ISO 17072-2) EN ISO 17226-1,
26、Leather - Chemical determination of formaldehyde content - Part 1: Method using high performance liquid chromatography (ISO 17226-1) 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 15987 and the following apply. 3.1 hole flaying damage caused by a kni
27、fe or flaying tool or mechanical operation on the flesh side, completely perforating the hide or skin 3.2 cut mark made on the hide or skin by a knife or flaying tool on the flesh side which has cut into the dermis or skin substance, not completely perforating the hide or skin 3.3 scar defect caused
28、 by healed wound, slash, gash or cut due to brand marks, scratches (barbed wire, bramble, damage from transport or dragging, marks from cattle comb, rope marks, etc.), goading hits, surgical operations 3.4 cockly places areas of skin which do not absorb the dressing in the same way as the rest of th
29、e skin and are harder in texture and usually darker in colour 3.5 tanning heavy metals tanning metals are Cr, Al, Ti, Zr 3.6 other heavy metals other heavy metals are: Antimony (Sb), Arsenic (As), Barium (Ba), Boron (B), Cadmium (Cd), Cobalt (Co), Copper (Cu), Lead (Pb), Mercury (Hg), Nickel (Ni,) T
30、in (Sn), Zinc (Zn) 4 Sampling and conditioning Samples shall be taken according to EN ISO 2418 and conditioned according to EN ISO 2419. Analytical results of the characteristics of chamois leather shall be referred to the mean value of the samples coming from the same batch, determined according to
31、 EN ISO 4684. Leather samples for chemical tests shall be conditioned and prepared in accordance with EN ISO 4044. BS EN 16419:2014EN 16419:2014 (E) 7 5 Classification by quality Chamois leathers are classified as following: 5.1 First class: thin places, holes, cuts, hard and cockly places and heale
32、d scars or residual seams and grain traces shall be absent; chamois leather shall be of even thickness (0,7 mm measured according to EN ISO 2589), for the all the points shown in Figure 1; chamois leather shall be suede finished on both side. 5.2 Second class: thickness 0,4 mm - 0,7 mm; holes, cuts,
33、 hard and cockly places and healed scars or residual seams and grain traces shall be absent; some defect like unhealed scars and slight differences in thickness are allowed; chamois leather shall be suede finished on one or both sides. Key 1 length 2 width Figure 1 Typical points where chamois leath
34、er thickness is measured BS EN 16419:2014EN 16419:2014 (E) 8 6 Requirements Chamois leather shall satisfy the requirements shown in Table 1. Table 1 Characteristics and essential requirements Characteristics Requirements Test methods Chemical content First class Second class Updated standard test me
35、thod for, as appropriate 1 Tanning metals, total content 200 mg/kg 200 mg/kg (Cr determination) EN ISO 5398-1, EN ISO 5398-2, EN ISO 5398-3 and EN ISO 5398-4aOther tanning metals (Al, Ti, Zr) EN ISO 17072-2 2 Other heavy metals, total content 100 mg/kg 100 mg/kg EN ISO 17072-2 3 Matter soluble in di
36、chloromethane 15 % 15 % EN ISO 4048 4 Sulphated total ashes 8 % 8 % EN ISO 4047 5 Formaldehyde 50 mg/kg 50 mg/kg EN ISO 17226-1 6 pH 5,5 5,5 EN ISO 4045 Physical-mechanical characteristics 7 Tensile strength 10 N/mm2 8 N/mm2EN ISO 3376 8 Elongation at break 50 % 50 % EN ISO 3376 9 Tear load Single e
37、dge tear 15 N 15 N EN ISO 3377-1 10 Static absorption of water 300 % after 2 min 200 % after 2 min EN ISO 2417 11 Shrinkage temperature 64 C 64 C EN ISO 3380 NOTE For point 9, the specimen is dipped in water for 2 min, then excess water is removed with filter paper before being tested. aOne among th
38、e four parts is applicable for the Cr determination. BS EN 16419:2014EN 16419:2014 (E) 9 7 Labelling 7.1 General The label applied to the article shall contain the information included in 7.2 and, as appropriate, in 7.3. 7.2 Essential information The following information shall be considered as esse
39、ntial for the labelling of chamois leathers: product name: chamois leather; surface measure (dm2), according to EN ISO 11646; country of origin (where it has been tanned); the class; the reference to this European Standard. 7.3 Additional information The following information shall be considered as
40、additional for the labelling of the chamois leathers: information related to use and maintenance; country name or Trade Mark. 8 Marking The marking shall report at least the following information: the wording: “Chamois leather for cleaning purposes”; reference to this European, Standard; classificat
41、ion, according to Clause 5; surface measure, in dm2; country of origin. Example of Marking: “Chamois leather for cleaning purposes EN 16419 First Class 8,2 dm2made in Italy”. This page deliberately left blankThis page deliberately left blankBSI is the national body responsible for preparing British
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