BS EN 13523-10-2017 Coil coated metals Test methods Resistance to fluorescent UV radiation and water condensation《卷材覆层金属 试验方法 耐荧光紫外线和水冷凝》.pdf

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1、BS EN 13523-10:2017Coil coated metals TestmethodsPart 10: Resistance to fluorescent UVradiation and water condensationBSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06BS EN 13523-10:2017 BRITISH STANDARDNational forewordThis British Standard is the UK implementation o

2、f EN 13523-10:2017.It supersedes BS EN 13523-10:2010 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee STI/21, Paint systems and surface preparation for metallicsubstrates.A list of organizations represented on this committee can beobtained on request to

3、its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2017. Published by BSI Standards Limited 2017ISBN 978 0 580 91552 9ICS 25.220.60Compliance with a British Standard

4、 cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 28 February 2017.Amendments/corrigenda issued since publicationDate Text affectedBS EN 13523-10:2017EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM

5、 EN 13523-10 February 2017 ICS 25.220.60 Supersedes EN 13523-10:2010English Version Coil coated metals - Test methods - Part 10: Resistance to fluorescent UV radiation and water condensation Tles prlaques - Mthodes dessai - Partie 10 : Rsistance un rayonnement UV fluorescent et la condensation de le

6、au Bandbeschichtete Metalle - Prfverfahren - Teil 10: Bestndigkeit gegen UV-Strahlung mit Leuchtstofflampen und Kondensation von Wasser This European Standard was approved by CEN on 18 December 2016. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the condit

7、ions 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 exists

8、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 standa

9、rds 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, Slovak

10、ia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN All rights of exploitation in any form and by any means

11、reserved worldwide for CEN national Members. Ref. No. EN 13523-10:2017 EBS EN 13523-10:2017EN 13523-10:2017 (E) 2 Contents PageEuropean foreword . 3 1 Scope 5 2 Normative references 5 3 Terms and definitions . 5 4 Principle . 5 5 Apparatus and materials 5 6 Sampling . 6 7 Test panels . 6 8 Procedure

12、. 6 8.1 Exposure . 6 8.2 Calibration and maintenance of calibration . 6 8.3 Evaluation of test specimens . 7 9 Expression of results 7 10 Precision . 7 11 Test report . 7 Bibliography 8 BS EN 13523-10:2017EN 13523-10:2017 (E) 3 European foreword This document (EN 13523-10:2017) has been prepared by

13、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 publication of an identical text or by endorsement, at the latest by August 2017, and conflicting national standards shal

14、l be withdrawn at the latest by August 2017. Attention is drawn to the possibility that some of the elements of this 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 13523-10:2010. The main chan

15、ges are: a) the distance of the test specimen to the lamps is device-specific and not necessary for carrying outthe test; so the requirement to expose the face of the test specimens at a distance of about 50 mmfrom the nearest surface of the lamp has been deleted;b) a remark on repositioning of the

16、specimens during exposure has been added;c) a remark on removing or re-arranging the test panels during the process has been added;d) the text has been editorially revised and the normative references have been updated.The EN 13523 series, Coil coated metals Test methods, consists of the following p

17、arts: Part 0: General introduction Part 1: Film thickness Part 2: Gloss Part 3: Colour difference Instrumental comparison Part 4: Pencil hardness Part 5: Resistance to rapid deformation (impact test) Part 6: Adhesion after indentation (cupping test) Part 7: Resistance to cracking on bending (T-bend

18、test) Part 8: Resistance to salt spray (fog) Part 9: Resistance to water immersion Part 10: Resistance to fluorescent UV radiation and water condensation Part 11: Resistance to solvents (rubbing test) Part 12: Resistance to scratching BS EN 13523-10:2017EN 13523-10:2017 (E) 4 Part 13: Resistance to

19、accelerated ageing by the use of heat Part 14: Chalking (Helmen method) Part 15: Metamerism Part 16: Resistance to abrasion Part 17: Adhesion of strippable films Part 18: Resistance to staining Part 19: Panel design and method of atmospheric exposure testing Part 20: Foam adhesion Part 21: Evaluatio

20、n of outdoor exposed panels Part 22: Colour difference Visual comparison Part 23: Resistance to humid atmospheres containing sulfur dioxide Part 24: Resistance to blocking and pressure marking Part 25: Resistance to humidity Part 26: Resistance to condensation of water Part 27: Resistance to humid p

21、oultice (Cataplasm test) Part 29: Resistance to environmental soiling (Dirt pick-up and striping) According to the CEN-CENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyp

22、rus, 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, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and t

23、he United Kingdom. BS EN 13523-10:2017EN 13523-10:2017 (E) 5 1 Scope This part of the EN 13523 series specifies the basic principles and procedure for determining the resistance of an organic coating on a metallic substrate (coil coating) to a combination of fluorescent UV radiation, and water conde

24、nsation and temperature under controlled conditions. Due to varied conditions which occur during natural weathering and the extreme nature of accelerated testing, correlation between the two cannot be expected. Not all organic coatings will perform on an equal basis but a degree of correlation betwe

25、en the same generic type might be observed. 2 Normative references The following documents, 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

26、the referenced document (including any amendments) applies. EN 13523-0, Coil coated metals - Test methods - Part 0: General introduction EN 13523-2, Coil coated metals - Test methods - Part 2: Gloss EN 13523-3, Coil coated metals - Test methods - Part 3: Colour difference - Instrumental comparison E

27、N 13523-14, Coil coated metals - Test methods - Part 14: Chalking (Helmen method) EN 13523-22, Coil coated metals - Test methods - Part 22: Colour difference - Visual comparison EN ISO 16474-3, Paints and varnishes - Methods of exposure to laboratory light sources - Part 3: Fluorescent UV lamps (ISO

28、 16474-3) 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 13523-0 apply. 4 Principle The coating is exposed in a cyclic manner to UV radiation, condensation of water and temperature under controlled conditions. One of two types of fluorescent UV lamps

29、, UVA-340 or UVB-313, is used. After exposure to UV radiation under controlled conditions, chalking and changes in gloss and colour are assessed. 5 Apparatus and materials Ordinary laboratory apparatus and glassware, together with the following. 5.1 Test chamber. The test chamber shall be constructe

30、d of corrosion resistant materials. Enclosed within the test chamber shall be eight fluorescent lamps (5.2), a heater pan, racks for test specimens, and provisions for indicating and controlling operating times and temperatures. The lamps shall be in banks of four on either side of the cabinet. Elec

31、trical operating conditions for the lamps shall be as given by the manufacturer. BS EN 13523-10:2017EN 13523-10:2017 (E) 6 5.2 UV lamps. Either UVA-340 or UVB-313, as specified in EN ISO 16474-3: UVA-340 starting at a wavelength of approximately 300 nm with a peak emission at 340 nm; UVB-313 startin

32、g at a wavelength of approximately 280 nm with a peak emission at 313 nm. 5.3 Water supply, deionized water. 6 Sampling Shall be according to EN 13523-0. 7 Test panels Shall be according to EN 13523-0. The test specimens shall be flat and about 150 mm 75 mm in size. Deviations from the standard meth

33、ods of panel shape, size, previous working, or conditioning may be agreed between the interested parties. 8 Procedure 8.1 Exposure Place the test specimens in racks which are made of inert material. Expose the face of the test specimens parallel to the lamps. If there are empty spaces within the rac

34、ks fill these with blanks to maintain the conditions within the test chamber. Repositioning of the specimens during exposure is desirable and might be necessary to ensure uniformity of all exposure stresses. Cycle the test specimens through periods of 4 h of dry UV exposure at a black panel temperat

35、ure of (60 3) C, followed by a period of 4 h of water condensation exposure, without radiation, at a black panel temperature of (40 3) C. (One cycle consists of 8 h exposure.) Arrange the test specimens to allow the condensate to freely run off the surface under gravity. Conclude the exposure at an

36、agreed time, for example 2 000 h for UVA-340 or 1 000 h for UVB-313, or an agreed number of cycles, for example 250 cycles for UVA-340 or 125 cycles for UVB-313. Where possible, use an agreed irradiance level, typically 0,83 W/m2for UVA-340 or 0,71 W/m2for UVB-313. For safety reasons (UV radiation),

37、 it is recommended to remove or re-arrange the test panels when the UV lamps are switched off (e.g. during the humidity cycle). 8.2 Calibration and maintenance of calibration Calibration of the UV-lamps depends on the type of weathering apparatus, whether the irradiance level can be set or not. For

38、apparatus without the possibility to set the irradiance, after every usage of 400 radiation hours, replace one lamp and rotate the others within the bank with the oldest lamp being taken out of service unless otherwise specified by the equipment manufacturer. BS EN 13523-10:2017EN 13523-10:2017 (E)

39、7 For apparatus with irradiance measurement, the apparatus indicates when the radiation sensors need to be calibrated. Carry out the calibration of the radiation sensors according to the method provided by the equipment manufacturer using the calibration equipment. When the irradiance of a lamp fall

40、s below the set point, it shall be replaced. This is usually triggered by an alarm on the equipment. 8.3 Evaluation of test specimens At the conclusion of the exposure, evaluate the test specimens for chalking, changes of gloss and colour. Assess the coating for chalking, change of gloss and change

41、of colour at ambient temperature. For more accurate measurements, as required for instance in case of dispute, the temperature shall be (23 2) C and the relative humidity (50 5) %, in accordance with EN 23270. 9 Expression of results The results shall be expressed as comparison between an unexposed

42、test specimen and an exposed test specimen for properties defined in EN 13523-2, EN 13523-3, EN 13523-14 and EN 13523-22, if appropriate in terms of, for example, x % gloss retention according to EN 13523-2, y= according to EN 13523-3, z chalking according to EN 13523-14. 10 Precision No precision d

43、ata are currently available. 11 Test report The test report shall contain at least the following information: a) all details necessary to identify the product tested;b) a reference to this part of the EN 13523 series (EN 13523-10);c) the type of UV lamps used;d) the duration of exposure in hours (h)

44、;e) the results of the test, as indicated in Clause 9;f) any deviation, by agreement or otherwise, from the test method specified;g) the date of the test.BS EN 13523-10:2017EN 13523-10:2017 (E) 8 Bibliography 1 EN 1396, Aluminium and aluminium alloys - Coil coated sheet and strip for general applica

45、tions - Specifications 2 EN 10169, Continuously organic coated (coil coated) steel flat products Technical delivery conditions 3 EN ISO 4892-3, Plastics - Methods of exposure to laboratory light sources - Part 3: Fluorescent UV lamps (ISO 4892-3) 4 EN 23270, Paints and varnishes and their raw materi

46、als - Temperatures and humidities for conditioning and testing (ISO 3270) This page deliberately left blankBSI is the national body responsible for preparing British Standards and other standards-related publications, information and services.BSI is incorporated by Royal Charter. British Standards a

47、nd other standardization products are published by BSI Standards Limited.British Standards Institution (BSI)About usWe bring together business, industry, government, consumers, innovators and others to shape their combined experience and expertise into standards -based solutions.The knowledge embodi

48、ed in our standards has been carefully assembled in a dependable format and refined through our open consultation process. Organizations of all sizes and across all sectors choose standards to help them achieve their goals.Information on standardsWe can provide you with the knowledge that your organ

49、ization needs to succeed. Find out more about British Standards by visiting our website at or contacting our Customer Services team or Knowledge Centre.Buying standardsYou can buy and download PDF versions of BSI publications, including British and adopted European and international standards, through our website at where hard copies can also be purchased. If you need international and foreign standards from other Standards Development O

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