1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 13523-17:2011Coil coated metals TestmethodsPart 17: Adhesion of strippable filmsBS EN 13523-17:2011 BRITISH STANDARDNational forewordThis British Standard is the UK impleme
2、ntation of EN 13523-17:2011.It supersedes BS EN 13523-17:2004 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee STI/27, Paint systems for metallic substrates.A list of organizations represented on this committee can beobtained on request to its secretary.
3、This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. BSI 2011ISBN 978 0 580 70112 2ICS 25.220.60Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published und
4、er the authority of theStandards Policy and Strategy Committee on 31 December 2011.Amendments issued since publicationDate Text affectedBS EN 13523-17:2011EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 13523-17 December 2011 ICS 25.220.60 Supersedes EN 13523-17:2004English Version Coil coated
5、metals - Test methods - Part 17: Adhesion of strippable films Tles prlaques - Mthodes dessai - Partie 17: Adhrence des films pelables Bandbeschichtete Metalle - Prfverfahren - Teil 17: Haftfestigkeit von abziehbaren Folien This European Standard was approved by CEN on 15 October 2011. CEN members ar
6、e 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 bibliographical references concerning such national standards may be obtained on application to
7、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 responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Ce
8、ntre 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, No
9、rway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2011 CEN All rights of exploitation in any for
10、m and by any means reserved worldwide for CEN national Members. Ref. No. EN 13523-17:2011: EBS EN 13523-17:2011EN 13523-17:2011 (E) 2 Contents Page Foreword 31 Scope 52 Normative references 53 Terms and definitions . 54 Principle 55 Apparatus . 55.1 For method 1 55.2 For method 2 66 Sampling . 67 Te
11、st panels . 68 Procedure . 68.1 Panel preparation. 68.1.1 Self-adhesive strippable film 68.1.2 Non-adhesive strippable film 68.2 Determination . 78.2.1 Method 1 . 78.2.2 Method 2 . 88.3 Evaluation and expression of results 99 Precision . 910 Test report 9Bibliography 10BS EN 13523-17:2011EN 13523-17
12、:2011 (E) 3 Foreword This document (EN 13523-17:2011) has been prepared by 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 endorse
13、ment, at the latest by June 2012, and conflicting national standards shall be withdrawn at the latest by June 2012. 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 held responsible for identifying a
14、ny or all such patent rights. This document supersedes EN 13523-17:2004. EN 13523, Coil coated metals Test methods, consists of the following parts: Part 0: General introduction and list of test methods; Part 1: Film thickness; Part 2: Specular gloss; Part 3: Colour difference - Instrumental compari
15、son; 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 test); Part 8: Resistance to salt spray (fog); Part 9: Resistance to water immersion; Part 10: Resistance to fluor
16、escent UV radiation and water condensation; Part 11: Resistance to solvents (rubbing test); Part 12: Resistance to scratching; Part 13: Resistance to accelerated ageing by the use of heat; Part 14: Chalking (Helmen method); Part 15: Metamerism; Part 16: Resistance to abrasion; Part 17: Adhesion of s
17、trippable films; Part 18: Resistance to staining; BS EN 13523-17:2011EN 13523-17:2011 (E) 4 Part 19: Panel design and method of atmospheric exposure testing; Part 20: Foam adhesion; Part 21: Evaluation of outdoor exposed panels; Part 22: Colour difference - Visual comparison; Part 23: Colour stabili
18、ty in 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 poultice (Cataplasm test); Part 29: Resistance to environmental soiling (Dirt pick-up a
19、nd striping). The main technical changes are: A note has been added to definition 3.1 that strippable film also is referred to as protection foil. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European S
20、tandard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the Uni
21、ted Kingdom. BS EN 13523-17:2011EN 13523-17:2011 (E) 5 1 Scope This European Standard specifies two methods for determining the numerical evaluation of the adhesion of strippable films which have previously been applied to an organic coating on a metallic substrate. Samples can be tested irrespectiv
22、e of whether the strippable film has been applied in the laboratory or on the production line. NOTE Method 1 is preferred for films with adhesive and method 2 for films without adhesive. 2 Normative references The following referenced documents are indispensable for the application of this document.
23、 For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 13523-0:2001, Coil coated metals Test methods Part 0: General introduction and list of test methods EN 23270:1991, Paints and varnishes
24、and their raw materials Temperatures and humidities for conditioning and testing (ISO 3270:1984) 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 13523-0:2001 and the following apply. 3.1 strippable film plastics film applied to the coated surface in o
25、rder to afford a temporary protection against mechanical damage NOTE Strippable film is also referred to as protection foil. 4 Principle The force necessary to peel a film of given width from the surface of a coil coated material, at a defined angle and speed, is determined using appropriate instrum
26、ents. 5 Apparatus 5.1 For method 1 5.1.1 Hydraulic or electronic dynamometer with: a movable jaw speed of (300 30) mm/min; a measuring scale usually reading from 0 N to 10 N; a traction meter set so that the force required to strip the film lies between 15 % and 85 % of the measuring scale. BS EN 13
27、523-17:2011EN 13523-17:2011 (E) 6 5.1.2 Cutting tool (e.g. a sharp knife). 5.1.3 Ruler. 5.2 For method 2 5.2.1 Spring balance (cylinder dynamometer) with a scale of up to 10 N. 5.2.2 Cutting tool (e.g. a sharp knife). 5.2.3 Ruler. 6 Sampling See EN 13523-0. 7 Test panels See EN 13523-0. 8 Procedure
28、8.1 Panel preparation 8.1.1 Self-adhesive strippable film When self-adhesive strippable film is applied in the laboratory, observe the following requirements: a) Store the roll of film before use for a minimum of 24 h at ambient temperature and humidity. For more accurate measurements, as required f
29、or instance in case of dispute, the temperature shall be (23 2) C and relative humidity (50 5) %, in accordance with EN 23270:1991. Apply the film under these conditions. b) Apply the film to the surface of the test samples immediately after it has been uncoiled from the roll; take every care to avo
30、id folds and blisters; press the film into place in the first instance by finger-tip pressure only. c) Use a cylindrical metal roller, rubber-covered to approximately 80 Shore, with a minimum diameter of 50 mm and a pressure of 2,0 N/mm width to press down the film, the metal roller being made to tr
31、avel twice in a longitudinal direction over and back across the film surface; speed of travel shall be as close as practicable to 10 mm/s; no additional pressure shall be exerted on the test panel surface. Measure adhesion values (10 1) min after the film has been applied. Measure the adhesion of th
32、e strippable film at ambient conditions. For more accurate measurements, as required for instance in case of dispute, the temperature shall be (23 2) C and relative humidity (50 5) % in accordance with EN 23270:1991. 8.1.2 Non-adhesive strippable film When non-adhesive strippable film is applied in
33、the laboratory, heat the substrate before application to a temperature specified by the film supplier. After application of the strippable film, cool down the sample in a way as close as possible to the production line conditions. BS EN 13523-17:2011EN 13523-17:2011 (E) 7 8.2 Determination 8.2.1 Met
34、hod 1 Prepare five samples of dimensions 200 mm 60 mm. The 200 mm edge should be cut in the rolling direction (see 1 in Figure 1). Cut through the strippable film with a cutting tool approximately 10 mm from each long edge and along the full length of each panel. Remove the film along both edges lea
35、ving approximately 40 mm of film along the centre of the samples. Make five reference marks on each long edge of the samples at intervals of 30 mm, the first 50 mm from one end (end c). The marks shall be 5 mm long, neither touching nor damaging the film (see Figure 1). Detach by hand not more than
36、25 mm of film from end c perpendicular to the surface of the sample. Clamp the bared end (c) of the sample in one jaw of the dynamometer. Fold the detached film back by 180 degrees and clamp in the other jaw so that the film surfaces are accurately aligned without touching. Start the dynamometer at
37、a speed of (300 30) mm/min ensuring that the removed film moves parallel to, and does not touch, the film remaining on the sample (no friction between film surfaces). As the point of contact between film and sample reaches a reference point, the force indicated on the dynamometer scale shall be reco
38、rded. The result for the sample shall be the mean of the five measurements. Carry out the test on all five samples. BS EN 13523-17:2011EN 13523-17:2011 (E) 8 Approximate dimensions in millimetres Key 1 Rolling direction aSheet bFilm cFirst reference mark Figure 1 Position of the marks 8.2.2 Method 2
39、 Prepare a sample of dimensions 150 mm 200 mm. The 150 mm edge should be cut in the rolling direction (see 1 in Figure 2). Cut through the strippable film with a cutting tool approximately 25 mm from and parallel to a short edge. Make five further cuts parallel to the first cut at 30 mm intervals. R
40、emove the film at both edges leaving five strips of 30 mm (see Figure 2). Detach by hand not more than 55 mm of one end of the first strip of film. Clamp the detached end of the film strip to the spring balance. Hold down the sample and peel off the film by raising the spring balance perpendicular t
41、o the sample surface at a constant speed so that a steady reading is obtained. Record the reading indicated on the spring balance. Repeat the test on the remaining strips. BS EN 13523-17:2011EN 13523-17:2011 (E) 9 Approximate dimensions in millimetres Key 1 Rolling direction Figure 2 Position of the
42、 cuts 8.3 Evaluation and expression of results Disregard the highest and lowest values. Calculate the arithmetic mean of the three remaining individual values. Record the result as the mean value, expressed in Newtons per millimetre width of the strip removed. 9 Precision No precision data are avail
43、able. 10 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 EN 13523 (EN 13523-17); c) type of strippable film used; d) method used (method 1 or 2); e) result of the test, as indicated
44、in 8.3; f) any deviation from the test method specified; g) date of the test. BS EN 13523-17:2011EN 13523-17:2011 (E) 10 Bibliography 1 EN 1396, Aluminium and aluminium alloys Coil coated sheet and strip for general applications Specifications 2 EN 1939, Self adhesive tapes Determination of peel adh
45、esion properties 3 EN 10169, Continuously organic coated (coil coated) steel flat products Technical delivery conditions This page deliberately left blankBSI is the independent national body responsible for preparing British Standardsand other standards-related publications, information and services
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