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    EN ISO 2812-1-2017 en Paints and varnishes - Determination of resistance to liquids - Part 1 Immersion in liquids other than water.pdf

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    EN ISO 2812-1-2017 en Paints and varnishes - Determination of resistance to liquids - Part 1 Immersion in liquids other than water.pdf

    1、BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06Paints and varnishes Determination of resistance to liquidsPart 1: Immersion in liquids other than waterBS EN ISO 28121:2017EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 2812-1 December 2017 ICS 87.040 Supers

    2、edes EN ISO 2812-1:2007English Version Paints and varnishes - Determination of resistance to liquids - Part 1: Immersion in liquids other than water (ISO 2812-1:2017) Peintures et vernis - Dtermination de la rsistance aux liquides - Partie 1: Immersion dans des liquides autres que leau (ISO 2812-1:2

    3、017) Beschichtungsstoffe - Bestimmung der Bestndigkeit gegen Flssigkeiten - Teil 1: Eintauchen in Flssigkeiten auer Wasser (ISO 2812-1:2017) This European Standard was approved by CEN on 9 December 2017. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the co

    4、nditions 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 exi

    5、sts 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 st

    6、andards 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, Serbia, Sl

    7、ovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels 2017 CEN All rights of exploitation in any form and by an

    8、y means reserved worldwide for CEN national Members. Ref. No. EN ISO 2812-1:2017 ENational forewordThis British Standard is the UK implementation of EN ISO 28121:2017. It is identical to ISO 28121:2017. It supersedes BS EN ISO 28121:2007, which is withdrawn.The UK participation in its preparation wa

    9、s entrusted to Technical Committee STI/10, Test methods for paints.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct applicat

    10、ion. The British Standards Institution 2018 Published by BSI Standards Limited 2018ISBN 978 0 580 94847 3ICS 87.040Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee o

    11、n 31 January 2018.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN ISO 28121:2017EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 2812-1 December 2017 ICS 87.040 Supersedes EN ISO 2812-1:2007English Version Paints and varnishes - Determination of resistan

    12、ce to liquids - Part 1: Immersion in liquids other than water (ISO 2812-1:2017) Peintures et vernis - Dtermination de la rsistance aux liquides - Partie 1: Immersion dans des liquides autres que leau (ISO 2812-1:2017) Beschichtungsstoffe - Bestimmung der Bestndigkeit gegen Flssigkeiten - Teil 1: Ein

    13、tauchen in Flssigkeiten auer Wasser (ISO 2812-1:2017) This European Standard was approved by CEN on 9 December 2017. 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 an

    14、y 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 version in any other langua

    15、ge 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, Cyprus, Czech Republic, Denmark,

    16、 Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMI

    17、TTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels 2017 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 2812-1:2017 EBS EN

    18、 ISO 28121:2017EN ISO 2812-1:2017 (E) 3 European foreword This document (EN ISO 2812-1:2017) has been prepared by Technical Committee ISO/TC 35 “Paints and varnishes” in collaboration with Technical Committee CEN/TC 139 “Paints and varnishes” the secretariat of which is held by DIN. This European St

    19、andard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by June 2018 and conflicting national standards shall be withdrawn at the latest by June 2018. Attention is drawn to the possibility that some of the elements of this

    20、document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights. This document supersedes EN ISO 2812-1:2007. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to

    21、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, Portugal, Rom

    22、ania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 2812-1:2017 has been approved by CEN as EN ISO 2812-1:2017 without any modification. BS EN ISO 28121:2017ISO 2812-1:2017(E)Foreword iv1 Scope . 12 Normative references 13 T

    23、erms and definitions . 14 Principle 25 Apparatus . 26 Test liquids . 27 Sampling 28 Test pieces . 28.1 Shape and material 28.1.1 Panels . 28.1.2 Rods . 28.2 Preparation and coating 28.2.1 Test panels . 28.2.2 Test rods 38.3 Coating thickness 39 Procedure. 39.1 Conditioning of the test panels or rods

    24、 39.2 Test liquids with high electrical conductivity . 39.3 Determination . 39.3.1 Method A Single-phase liquid 39.3.2 Method B Two-phase liquid 410 Evaluation 411 Precision . 512 Test report . 5Annex A (informative) Examples of test liquids 6Bibliography 8 ISO 2017 All rights reserved iiiContents P

    25、ageBS EN ISO 28121:2017ISO 2812-1:2017(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member bo

    26、dy interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrot

    27、echnical Commission (IEC) on all matters of electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different types of IS

    28、O documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held res

    29、ponsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents).Any trade name used in this document is information give

    30、n for the convenience of users and does not constitute an endorsement.For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the World Trade Organization (WTO) princip

    31、les in the Technical Barriers to Trade (TBT) see the following URL: www.iso.org/iso/foreword.html.This document was prepared by Technical Committee ISO/TC 35, Paints and varnishes, SC 9, General test methods for paints and varnishes.This third edition cancels and replaces the second edition (ISO 281

    32、2-1:2007), of which it constitutes a minor revision. The changes compared to the previous edition are as follows: the CAS numbers have been added to the reagents listed in Annex A and a terms and definitions clause has been added.A list of all parts in the ISO 2812 series can be found on the ISO web

    33、site.iv ISO 2017 All rights reservedBS EN ISO 28121:2017INTERNATIONAL STANDARD ISO 2812-1:2017(E)Paints and varnishes Determination of resistance to liquids Part 1: Immersion in liquids other than water1 ScopeThis document specifies general methods for determining the resistance of an individual-lay

    34、er or multi-layer system of coating materials to the effects of liquids, other than water, or paste-like products (included implicitly in test liquids mentioned in the text).These methods enable the testers to determine the effects of the test liquid on the coating and, if necessary, to assess the d

    35、amage to the substrate.2 Normative referencesThe following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenc

    36、ed document (including any amendments) applies.ISO 1513, Paints and varnishes Examination and preparation of test samplesISO 1514, Paints and varnishes Standard panels for testingISO 2808, Paints and varnishes Determination of film thicknessISO 3270, Paints and varnishes and their raw materials Temp

    37、eratures and humidities for conditioning and testingISO 3696, Water for analytical laboratory use Specification and test methodsISO 4618, Paints and varnishes Terms and definitionsISO 4628-1, Paints and varnishes Evaluation of degradation of coatings Designation of quantity and size of defects, and

    38、of intensity of uniform changes in appearance Part 1: General introduction and designation systemISO 4628-2, Paints and varnishes Evaluation of degradation of coatings Designation of quantity and size of defects, and of intensity of uniform changes in appearance Part 2: Assessment of degree of blist

    39、eringISO 15528, Paints, varnishes and raw materials for paints and varnishes Sampling3 Terms and definitionsFor the purposes of this document, the terms and definitions given in ISO 4618 apply.ISO and IEC maintain terminological databases for use in standardization at the following addresses: ISO On

    40、line browsing platform: available at https:/www.iso.org/obp IEC Electropedia: available at http:/www.electropedia.org/ ISO 2017 All rights reserved 1BS EN ISO 28121:2017ISO 2812-1:2017(E)4 PrincipleA coated test panel is exposed to a test liquid by immersion in the test liquid. The effects of the ex

    41、posures are assessed in accordance with agreed criteria.5 ApparatusThe usual laboratory apparatus and, in particular, the following.5.1 Vessel, made of inert material, capable of holding the test liquid and test panels.5.2 Heating cabinet, with artificial ventilation, for carrying out the test at hi

    42、gher temperatures (up to 40 C to within 3 C).WARNING To protect against explosion or fire, products containing volatile flammable liquids should be handled with care. 6 Test liquidsOne or more test liquids, as agreed between interested parties, shall be used. Examples of test liquids are given in An

    43、nex A.7 SamplingTake a representative sample of the coating material to be tested, in accordance with ISO 15528.Pretest each sample in accordance with ISO 1513 and prepare it for further testing.8 Test pieces8.1 Shape and material8.1.1 PanelsUnless otherwise agreed, use test panels conforming to the

    44、 requirements of ISO 1514, with dimensions of approximately 150 mm 100 mm and a thickness of 0,7 mm to 1,0 mm.8.1.2 RodsThe rod shall be made of steel. One end of a rod shall be rounded, with a radius approximately equal to the radius of the rod.NOTE 1 Rods with a length of 150 mm and a diameter of

    45、15 mm are suitable.NOTE 2 Rods are used to eliminate edge effects.8.2 Preparation and coating8.2.1 Test panelsPrepare each test panel as described in ISO 1514 and then coat it by the specified application method with the product or system under test. Dry (or stove) and age (if applicable) each coate

    46、d test panel for the specified time under specified conditions.2 ISO 2017 All rights reservedBS EN ISO 28121:2017ISO 2812-1:2017(E)For Methods A and B, both sides should preferably be coated and the edges protected. It should be agreed whether the reverse side of the panel will be protected with a s

    47、ufficiently resistant coating, or whether both sides of the panel will to be coated with the coating material under test.8.2.2 Test rodsPrepare each test rod as specified and then coat it by the specified application method with the product or system under test. Dry (or stove) and age (if applicable

    48、) each coated test rod for the specified time under specified conditions.8.3 Coating thicknessDetermine the dry film thickness of the coating, in micrometres, using one of the non-destructive methods specified in ISO 2808.9 Procedure9.1 Conditioning of the test panels or rodsImmediately before testi

    49、ng, condition the test panels or rods for at least 16 h under standard conditions as specified in ISO 3270, i.e. (23 2) C and (50 5) % relative humidity.9.2 Test liquids with high electrical conductivityIf liquids with high electrical conductivity are used, with the resultant possibility of significant electrolytic effects, only one test piece should be immersed in the test fluid. If several test pieces are immersed in a vessel, these test pieces shall be identical. Moreover, the test


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