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EN 438-9-2010 en High-pressure decorative laminates (HPL) - Sheets based on thermosetting resins (Usually called Laminates) - Part 9 Classification and specifications for alternati.pdf

1、BSI Standards PublicationHigh-pressure decorativelaminates (HPL) Sheetsbased on thermosetting resins(Usually called Laminates)Part 9: Classification and specifications foralternative core laminatesBS EN 438-9:2010+A1:2013BS EN 438-9:2010+A1:2013National forewordThis British Standard is the UK implem

2、entation of EN 438-9:2010+A1:2013. It supersedes BS EN 438-9:2010, which is withdrawn.The start and finish of text introduced or altered by amendment is indicated in the text by tags. Tags indicating changes to CEN text carry the number of the CEN amendment. For example, text altered by CEN amendmen

3、t A1 is indicated by !“.The UK participation in its preparation was entrusted to Technical Committee PRI/76, Laminated sheet for decorative purposes.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

4、necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2013. Published by BSI Standards Limited 2013ISBN 978 0 580 78899 4ICS 83.140.20Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standa

5、rd was published under the authority of the Standards Policy and Strategy Committee on 31 July 2010Amendments/corrigenda issued since publicationDate Text affected31 December 2013 Implementation of CEN amendment A1:2013BRITISH STANDARDEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 438-9:2010+A

6、1 October 2013 ICS 83.140.20 English Version High-pressure decorative laminates (HPL) - Sheets based on thermosetting resins (Usually called Laminates) - Part 9: Classification and specifications for alternative core laminates Stratifis dcoratifs haute pression (HPL) - Plaques base de rsines thermod

7、urcissables (communment appeles stratifis) - Partie 9 : Classification et spcifications relatives aux stratifis avec autres types dmes Dekorative Hochdruck-Schichtpressstoffplatten (HPL) - Platten auf Basis hrtbarer Harze (Schichtpressstoffe) -Teil 9: Klassifizierung und Spezifikationen fr Schichtpr

8、essstoffe mit alternativem Kernaufbau This European Standard was approved by CEN on 19 May 2010 and includes Amendment 1 approved by CEN on 21 September 2013. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard th

9、e 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 in three official versions (English, Fren

10、ch, 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 standards bodies of Austria, Belgium, Bulgaria,

11、 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, Turkey

12、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 2013 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref.

13、 No. EN 438-9:2010+A1:2013: E 2 BS EN 438-9:2010+A1:2013 EN 438-9:2010+A1:2013 (E)Foreword This document (EN 438-9:2010+A1:2013) has been prepared by Technical Committee CEN/TC 249 “Plastics”, the secretariat of which is held by NBN. This European Standard shall be given the status of a national sta

14、ndard, either by publication of an identical text or by endorsement, at the latest by April 2014, and conflicting national standards shall be withdrawn at the latest by April 2014. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. C

15、EN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document includes Amendment 1 approved by CEN on 2013-09-21. This document supersedes EN 438-9:2010. The start and finish of text introduced or altered by amendment is indicated in the text by tags !“

16、. EN 438, High-pressure decorative laminates (HPL) Sheets based on thermosetting resins (Usually called Laminates), consists of the following parts: Part 1: Introduction and general information Part 2: Determination of properties Part 3: Classification and specifications for laminates less than 2 mm

17、 thick intended for bonding to supporting substrates Part 4: Classification and specifications for Compact laminates of thickness 2 mm and greater Part 5: Classification and specifications for flooring grade laminates less than 2 mm thick intended for bonding to supporting substrates Part 6: Classif

18、ication and specifications for Exterior-grade Compact laminates of thickness 2 mm and greater Part 7: Compact laminate and HPL composite panels for internal and external wall and ceiling finishes Part 8: Classification and specifications for design laminates Part 9: Classification and specifications

19、 for alternative core laminates this standard. 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, Finland, For

20、mer 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 the United Kingdom. 3 BS EN 438-9:2010+A1:2013 EN 438-9:2010

21、+A1:2013 (E)Contents Page 1 Scope 4 2 Normative references . 4 3 Terms and definitions 4 4 Material types and classification system 5 5 Requirements . 5 5.1 Compliance. 5 5.2 Inspection requirements 6 5.2.1 General . 6 5.2.2 Colour and pattern . 6 5.2.3 Surface finish . 6 5.2.4 Reverse side . 6 5.2.

22、5 Visual inspection 6 5.3 Dimensional tolerance requirements 7 5.3.1 Dimensional tolerance requirements for coloured core laminates 7 5.3.2 Dimensional tolerances requirements for metal reinforced core laminates . 8 5.4 Test requirements 9 5.4.1 General requirements for coloured core laminates 9 5.4

23、.2 General requirements for metal reinforced core laminates . 11 5.4.3 Reaction to fire . 12 Annex A (informative) Information on reaction to fire . 13 Bibliography 14 4 1 Scope This European Standard specifies performance requirements for high-pressure decorative laminates (HPL) intended for interi

24、or use, the core compositions of which are not covered by EN 438-3 1 to EN 438-6 4 and EN 438-8 5. The core composition types (coloured core and metal reinforced core) are defined in this part of EN 438. EN 438-2 specifies the test methods relevant to this part of EN 438. 2 Normative references The

25、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. EN 438-2:2005, High-pressure decorative laminates (HP

26、L) Sheets based on thermosetting resins (usually called Laminates) Part 2: Determination of properties EN 12721, Furniture Assessment of surface resistance to wet heat EN ISO 178, Plastics Determination of flexural properties (ISO 178:2001) EN ISO 527-2, Plastics Determination of tensile properties

27、Part 2: Test conditions for moulding and extrusion plastics (ISO 527-2:1993 including Corr 1:1994) EN ISO 1183-1, Plastics Methods for determining the density of non-cellular plastics Part 1: Immersion method, liquid pyknometer method and titration method (ISO 1183-1:2004) EN ISO 12572, Hygrothermal

28、 performance of building materials and products Determination of water vapour transmission properties (ISO 12572:2001) ISO 11664-2:2007, Colorimetry Part 2: CIE standard illuminants 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 high pressur

29、e process process for producing laminate(s) by simultaneous application of heat (temperature 120 C) and high specific pressure ( 5 MPa), to provide flowing and subsequent curing of the thermosetting resins 3.2 high-pressure decorative alternative core laminate(s) alternative core laminate(s) HPL she

30、et(s) consisting of decorative surface layers and alternative core layers bonded together by a high pressure process NOTE 1 For alternative core layers, see 3.3. NOTE 2 The surface layer(s) on one or both face(s), having decorative colours or designs, impregnated with melamine based resins are suppo

31、rted by a core. The surface layers can appear on one or both side(s) of the laminate(s). In case of one-sided laminates the back of the sheet(s) is made suitable for adhesive bonding to a substrate. BS EN 438-9:2010+A1:2013 EN 438-9:2010+A1:2013 (E)5 3.3 Types of alternative core laminates according

32、 to the core compositions 3.3.1 coloured core laminate high-pressure decorative alternative core laminate, the core of which consists of cellulosic fibrous layers (normally paper) impregnated with thermosetting resins typically aminoplastic thermosetting resins NOTE 1 To achieve a coloured laminate,

33、 either the cellulosic fibres or the resins can be coloured. A translucent laminate can be achieved by using clear resins and bleached fibres. NOTE 2 The surface and the core layers can have the same colour producing a uniformly coloured laminate or be different colours to achieve a succession of co

34、loured layers. 3.3.2 metal reinforced core laminate high-pressure decorative alternative core laminate, the core of which consists of metal layer(s) or mesh(es) and cellulosic fibrous layers (normally paper) impregnated with phenolic or aminoplastic thermosetting resins. NOTE The purpose of includin

35、g the metal layers is to improve the mechanical, fire or permeability performances of the laminate. Additionally the metal layers can give aesthetic improvements to edge. 4 Material types and classification system Alternative core laminates are defined using a three-letter classification system as s

36、hown in Table 1. Table 1 Alternative core laminate classification system First letter Second letter Third letter B (Coloured core laminate) !R“ (Metal reinforced core laminate) C (Compact) T (Thin laminate 2 mm) S (Standard grade) or F (Flame retardant grade) Type S Standard grade high-pressure deco

37、rative alternative core laminates. Type F High-pressure decorative alternative core laminates with improved fire retardance, similar to type S but also complying with special requirements of specified tests which may vary according to the application (e. g. construction, marine, transport) and the c

38、ountry of use (see 5.4.3). NOTE These types of laminate are normally not postformable. In addition to the abbreviation “HPL“ and the number of this European Standard, materials are specified by the alphabetical classification system. EXAMPLE “Coloured core Standard Grade Thin high-pressure decorativ

39、e laminate“ is designated as HPL/EN 438-9 BTS. 5 Requirements 5.1 Compliance Alternative core laminates classified in Table 1 shall comply with all appropriate requirements specified in 5.2, 5.3 and 5.4. This applies to both full-size sheets and cut-to-size panels. BS EN 438-9:2010+A1:2013 EN 438-9:

40、2010+A1:2013 (E)6 5.2 Inspection requirements 5.2.1 General Inspection shall be carried out in accordance with EN 438-2:2005, Clause 4, at a distance of 1,5 m. 5.2.2 Colour and pattern When inspected in daylight or D65 standard illuminant, as specified in ISO 11664-2:2007, and also under tungsten-fi

41、lament lightning illuminant A as specified in ISO 11664-2:2007, a slight difference between the corresponding colour reference sample held by the supplier and the specimen under test is acceptable. When colour and surface finish are critical, it is recommended that sheets are checked for colour and

42、surface-finish compatibility without protective film before fabrication or installation. 5.2.3 Surface finish When inspected at different viewing angles, there shall be no significant difference between the corresponding surface-finish reference sample held by the supplier and the specimen under tes

43、t. When colour and surface finish are critical, it is recommended that sheets are checked for colour and surface-finish compatibility without protective film before fabrication or installation. 5.2.4 Reverse side The reverse side of single-sided sheets shall be suitable for adhesive bonding (e.g. sa

44、nded). In the case of sanded backs, slight chatter marks shall be permitted. 5.2.5 Visual inspection 5.2.5.1 General The following inspection requirements are intended as a general guide, indicating the minimum acceptable quality for laminates. Cut-to-size panels and certain applications involving f

45、ull-size sheets may call for special quality requirements which can be negotiated between supplier and purchaser; in such cases the following requirements may be used as a basis for agreement. It shall be noted that only a small percentage of sheets in a batch (the level to be agreed with the custom

46、er) shall contain defects of the minimum acceptable level. It may be agreed between purchaser and supplier that the visual quality standard applies to one decorative face only. 5.2.5.2 Surface quality The following surface defects are permissible: Dirt, spots and similar surface defects The admissib

47、le size of such defects is based on a maximum contamination area equivalent to 1,0 mm2/m2of laminate and is proportional to the sheet size under inspection. The total admissible area of contamination may be concentrated in one spot or dispersed over an unlimited amount of smaller defects. BS EN 438-

48、9:2010+A1:2013 EN 438-9:2010+A1:2013 (E)7 Fibres, hairs and scratches The admissible size of defects is based on a maximum contamination length equivalent to 10 mm/m2of laminate and is proportional to the sheet size under inspection. The total admissible length of contamination may be concentrated i

49、n one defect or dispersed over an unlimited amount of smaller defects. 5.2.5.3 Edge quality For thin laminates visual defects (e.g. moisture marks, lack of gloss, corner damage, etc.) can be present on all four edges of the laminate, providing the defect-free length and width are at least the nominal size minus 20 mm. For compact laminates edge chipping up to 3 mm on each side is permissible. 5.3 Dimensional tolerance requirements 5.3.1 Dimensional tolerance requirements for coloured core laminates D

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