BS EN ISO 9117-6-2012 Paints and varnishes Drying tests Print-free test《涂料和清漆 烘干试验 无印痕测试》.pdf

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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN ISO 9117-6:2012Paints and varnishes DryingtestsPart 6: Print-free test (ISO 9117-6:2012)BS EN ISO 9117-6:2012 BRITISH STANDARDNational forewordThis British Standard is the

2、UK implementation of EN ISO9117-6:2012. It supersedes BS EN ISO 3678:1995 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee STI/10, Test methods for paints.A list of organizations represented on this committee can beobtained on request to its secretary.Th

3、is publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2012. Published by BSI StandardsLimited 2012ISBN 978 0 580 71912 7ICS 87.040Compliance with a British Standard cannot confer immun

4、ity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 August 2012.Amendments issued since publicationDate Text affectedEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 9117-6 July 2012 ICS 87.040 Supersedes EN IS

5、O 3678:1995English Version Paints and varnishes - Drying tests - Part 6: Print-free test (ISO 9117-6:2012) Peintures et vernis - Essais de schage - Partie 6: Essai de schage apparent complet (ISO 9117-6:2012) Beschichtungsstoffe - Trocknungsprfungen - Teil 6: Bestimmung der Abdruckfestigkeit (ISO 91

6、17-6:2012) This European Standard was approved by CEN on 30 June 2012. 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 any alteration. Up-to-date lists and bibliograph

7、ical 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 language made by translation under the responsibilit

8、y 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, Estonia, Finland, Former Yugoslav Republic of

9、 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 Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATIO

10、N EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 9117-6:2012: EBS EN ISO 9117-6:2012EN ISO 9117-6:2012 (E) 3 Foreword This document (EN I

11、SO 9117-6:2012) 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 Standard shall be given the status of a national standard, either by publicatio

12、n of an identical text or by endorsement, at the latest by January 2013, and conflicting national standards shall be withdrawn at the latest by January 2013. 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

13、 not be held responsible for identifying any or all such patent rights. This document supersedes EN ISO 3678:1995. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulga

14、ria, 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, Slovenia, Spain, Sweden, Switzerland, the

15、 United Kingdom and Turkey. Endorsement notice The text of ISO 9117-6:2012 has been approved by CEN as a EN ISO 9117-6:2012 without any modification. BS EN ISO 9117-6:2012ISO 9117-6:2012(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standard

16、s bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organiz

17、ations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.International Standards are drafted in accordance with the rules given in t

18、he ISO/IEC Directives, Part 2.The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of

19、the member bodies casting a vote.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 responsible for identifying any or all such patent rights.ISO 9117-6 was prepared by Technical Committee ISO/TC 35, Paints and

20、varnishes, Subcommittee SC 9, General test methods for paints and varnishes.It cancels and replaces ISO 3678:1976, which has been technically revised.ISO 9117 consists of the following parts, under the general title Paints and varnishes Drying tests: Part 1: Determination of through-dry state and th

21、rough-dry time Part 2: Pressure test for stackability Part 3: Surface-drying test using ballotini Part 4: Test using a mechanical recorder Part 5: Modified Bandow-Wolff test Part 6: Print-free test ISO 2012 All rights reserved iiiBS EN ISO 9117-6:2012BS EN ISO 9117-6:2012Paints and varnishes Drying

22、tests Part 6: Print-free test1 ScopeThis part of ISO 9117 specifies a method for assessing, by means of a simple empirical test, the resistance of a coat of paint, varnish or related product to imprinting by a nylon gauze under a specified force applied for a specified time.The method may be carried

23、 out either as a “pass/fail” test by determining whether the print-free state has been reached after a specified period of drying or, in the case of stoving coatings, after stoving and ageing under specified conditions, or by repeating the print-free test at suitable intervals until the print-free t

24、ime is obtained.2 Normative referencesThe following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 1513, Pa

25、ints and varnishes Examination and preparation of test samplesISO 1514, Paints and varnishes Standard panels for testingISO 2808, Paints and varnishes Determination of film thicknessISO 15528, Paints, varnishes and raw materials for paints and varnishes Sampling3 Terms and definitionsFor the purpose

26、s of this document, the following terms and definitions apply.3.1print-freestate of a coating of paint or varnish when gauze of a specified grade under a specified force during a specified time does not leave on the surface an imprint, visible under normal corrected vision3.2print-free timeperiod of

27、 time elapsing between the moment at which a coating is applied to a prepared test panel and that at which the coating is assessed as just print-free, using the test procedure specified4 Apparatus4.1 Squares of woven monofilament polyamide gauze, minimum size 25 mm 25 mm.Unless otherwise specified,

28、the gauze shall be of 0,120 mm thread diameter and of approximately 0,2 mm aperture. Depending upon the type of coating under test, other grades of similar construction may be used if necessary, subject to agreement between the interested parties.INTERNATIONAL STANDARD ISO 9117-6:2012(E) ISO 2012 Al

29、l rights reserved 1BS EN ISO 9117-6:2012ISO 9117-6:2012(E)4.2 Rubber discs, of diameter 22 mm, thickness 5 mm and hardness 50 IRHD 3 IRHD1)(see ISO 48).4.3 Cylindrical weights, of mass 200 g, 500 g and 1 000 g and diameter not less than 22 mm.The diameter of the rubber discs and the mass of the weig

30、hts may vary slightly from those specified in 4.2 and 4.3. The pressures on the coatings, however, shall be equal to those obtained using discs and weights of the dimensions specified in 4.2 and 4.3, i.e. 5,2 kPa (200 g), 13,2 kPa (500 g) and 26,3 kPa (1 000 g).4.4 Stopwatch or stopclock.5 SamplingT

31、ake a representative sample of the product to be tested (or of each product in the case of a multi-coat system), in accordance with ISO 15528.Examine and prepare each sample for testing, in accordance with ISO 1513.6 Test panels6.1 SubstrateThe test panels shall be of glass, burnished steel, burnish

32、ed tinplate or burnished aluminium, complying with the requirements of ISO 1514.6.2 Preparation and coating of the panelsPrepare the panels in accordance with ISO 1514 unless otherwise required. The test panel shall be coated by the specified method with the appropriate primer and/or undercoat and a

33、llowed to dry for the specified period. In the case of multi-coat stoving products, the primer and/or undercoat shall be stoved under the agreed stoving conditions before applying the product under test by the specified method.6.3 Thickness of coatingDetermine the thickness, in micrometres, of the d

34、ry coating by the method specified, using one of the procedures specified in ISO 2808.7 Procedure7.1 Drying the test panelAllow the coated panel to dry in a vertical position in the standard atmosphere specified in ISO 3270, (23 2) C and relative humidity of (50 5) %, unless otherwise agreed. The pa

35、nel shall be dried with free circulation of air but shielded from draughts and direct sunlight.Stoving products shall be stoved and aged under the specified or agreed conditions.7.2 Assessment of print-free state7.2.1 After the completion of the specified drying time, place the test panel in a horiz

36、ontal position.1) International rubber hardness degrees.2 ISO 2012 All rights reservedBS EN ISO 9117-6:2012ISO 9117-6:2012(E)7.2.2 Place a square of polyamide gauze (4.1) on the surface of the coating and place a rubber disc (4.2) centrally on the square.Place the appropriate weight (4.3) carefully

37、on the disc so that the axes of the disc and weight are coincident and start the stopwatch or stopclock (4.4).7.2.3 Unless otherwise specified or agreed, remove the weight, rubber disc and gauze square after 10 min.7.2.4 Examine the surface of the coating immediately in the test area, using normal c

38、orrected vision.The surface is “print-free” if no imprint can be seen. Record the result as “print-free” or “not print-free”.7.3 Determination of print-free timeTake a number of coated test panels. At appropriate intervals, starting shortly before the coating is expected to be print-free and using a

39、n untouched area of the same panel for each test (or a different panel as necessary), carry out the test as specified in 7.2, until the test shows the coating to be print-free.Record the time taken for the coating to become just print-free.8 Test reportThe test report shall include the following inf

40、ormation:a) all details necessary to identify the product under test;b) a reference to this part of ISO 9117 (ISO 9117-6);c) details of the preparation of the test panels, including:1) the material, the thickness and the surface preparation of the substrate (see 6.1),2) the method of application of

41、the test coating to the substrate, including the duration and conditions of drying between coats in the case of a multi-coat system (see 6.2),3) the dry-film thickness, in micrometres, of the coating and method of measurement from ISO 2808 (see 6.3);d) the duration and conditions of drying (or stovi

42、ng) the coat and the conditions of ageing, if applicable, before testing (see 7.1);e) the intervals between tests where the print-free time is required;f) details of the grade of polyamide gauze used and the force applied in carrying out the test;g) the result of the test as required:1) either wheth

43、er or not the coating was print-free after the specified time (pass/fail test),2) or the print-free time;h) any deviation, by agreement or otherwise, from the procedure specified, such as the duration of application of the gauze;i) any unusual features (anomalies) observed during the test;j) the dat

44、e of the test. ISO 2012 All rights reserved 3BS EN ISO 9117-6:2012ISO 9117-6:2012(E)Bibliography1 ISO 48, Rubber, vulcanized or thermoplastic Determination of hardness (hardness between 10 IRHD and 100 IRHD)2 ISO 3270, Paints and varnishes and their raw materials Temperatures and humidities for cond

45、itioning and testing4 ISO 2012 All rights reservedBS EN ISO 9117-6:2012This page deliberately left blankThis page deliberately left blankBSI is the independent national body responsible for preparing British Standards and other standards-related publications, information and services. It presents th

46、e UK view on standards in Europe and at the international level. BSI is incorporated by Royal Charter. British Standards and other standardisation products are published by BSI Standards Limited.British Standards Institution (BSI)raising standards worldwideBSI389 Chiswick High Road London W4 4AL UKT

47、el +44 (0)20 8996 9001Fax +44 (0)20 8996 Standards and PASs are periodically updated by amendment or revision. Users of British Standards and PASs should make sure that they possess the latest amendments or editions.It is the constant aim of BSI to improve the quality of our products and services.

48、We would be grateful if anyone finding an inaccuracy or ambiguity while using British Standards would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside frontcover. Similary for PASs, please notify BSI Customer Services.Tel: +44 (0)20 8996 9

49、001 Fax: +44 (0)20 8996 7001BSI offers BSI Subscribing Members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of British Standards and PASs.Tel: +44 (0)20 8996 7669 Fax: +44 (0)20 8996 7001Email: Buying standardsYou may buy PDF and hard copy versions of standards directly using acredit card from the BSI Shop on the website addition all orders for BSI, international a

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