1、BSI Standards PublicationBS EN 438-4:2016High-pressure decorativelaminates (HPL) Sheetsbased on thermosetting resins(usually called laminates)Part 4: Classification and specifications forcompact laminates of thickness 2 mm andgreaterBS EN 438-4:2016 BRITISH STANDARDNational forewordThis British Stan
2、dard is the UK implementation of EN 438-4:2016.It supersedes BS EN 438-4:2005 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee PRI/76, Laminated sheet for decorative purposes.A list of organizations represented on this committee can beobtained on request
3、 to 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 2016.Published by BSI Standards Limited 2016ISBN 978 0 580 87152 8ICS 83.140.20Compliance with a British Stand
4、ard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 29 February 2016.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS EN 438-4:2016EUROPEAN STANDARD NORME EUROPENNE EUROP
5、ISCHE NORM EN 438-4 February 2016 ICS 83.140.20 Supersedes EN 438-4:2005English Version High-pressure decorative laminates (HPL) - Sheets based on thermosetting resins (usually called laminates) - Part 4: Classification and specifications for compact laminates of thickness 2 mm and greater Stratifis
6、 dcoratifs haute pression (HPL) - Plaques base de rsines thermodurcissables (communment appeles stratifis) - Partie 4: Classification et spcifications des stratifis compacts dpaisseur gale ou suprieure 2 mm Dekorative Hochdruck-Schichtpressstoffplatten (HPL) - Platten auf Basis hrtbarer Harze (Schic
7、htpressstoffe) - Teil 4: Klassifizierung und Spezifikationen fr Kompakt-Schichtpressstoffe mit einer Dicke von 2 mm und grer This European Standard was approved by CEN on 13 December 2015. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for gi
8、ving 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 in three of
9、ficial 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 standards bodies
10、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, Slovakia, Slovenia, Spain
11、, Sweden, Switzerland, Turkey andUnited Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CEN All rights of exploitation in any form and by any means reserved worldwide f
12、or CEN national Members. Ref. No. EN 438-4:2016 EBS EN 438-4:2016EN 438-4:2016 (E) 2 Contents Page European foreword . 3 1 Scope 4 2 Normative references 4 3 Terms, definitions, symbols and abbreviations . 4 3.1 Terms and definitions 4 3.2 Symbols 5 4 Material types and classification system 5 5 Cha
13、racteristics and applications 5 6 Requirements 6 6.1 Compliance . 6 6.2 Inspection requirements 6 6.2.1 General 6 6.2.2 Colour and pattern . 6 6.2.3 Surface finish 6 6.2.4 Visual inspection . 7 6.3 Dimensional tolerance requirements 7 6.4 Test requirements . 8 6.4.1 General requirements . 8 6.4.2 No
14、tes on requirements for reaction to fire . 10 6.5 Supplemental properties . 10 Annex A (informative) Addendum to sub-clause 6.4.2, relating to fire performance . 11 Bibliography 12 BS EN 438-4:2016EN 438-4:2016 (E) 3 European foreword This document (EN 438-4:2016) has been prepared by Technical Comm
15、ittee CEN/TC 249 “Plastics“, the secretariat of which is held by NBN. 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 2016, and conflicting national standards shall be withdrawn at the late
16、st by August 2016. 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 any or all such patent rights. This document supersedes EN 438-4:2005. EN 438, High-pressure decor
17、ative 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 thick intended for bonding t
18、o 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: Classification and specifications fo
19、r 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 for alternative core laminat
20、es 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, Former Yugoslav Republic of Macedonia, France,
21、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. BS EN 438-4:2016EN 438-4:2016 (E) 4 1 Scope This European Standard specifies perform
22、ance requirements for two types of compact laminate of thickness 2 mm or greater produced by using a high pressure process intended for interior use . High-pressure decorative Compact laminates are characterised by their aesthetic qualities, strength, durability and functional performance. Compact H
23、PL sheets are available in a wide variety of colours, patterns and surface finishes; they are extremely strong, and resistant to wear, impact, scratching, moisture, heat and staining; and possess good hygienic and anti-static properties, being easy to clean and maintain. EN 438-2 specifies the metho
24、ds of test relevant to this European Standard. 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
25、of the referenced document (including any amendments) applies. EN 438-2:2016, High-pressure decorative laminates (HPL) Sheets based on thermosetting resins (usually called laminates) Part 2: Determination of properties EN 13501-1, Fire classification of construction products and building elements Pa
26、rt 1: Classification using data from reaction to fire tests EN 13722, Furniture Assessment of the surface gloss EN 61340-4-1, Electrostatics Part 4-1: Standard test methods for specific applications Electrical resistance of floor coverings and installed floors (IEC 61340-4-1) EN ISO 178, Plastics De
27、termination of flexural properties (ISO 178) 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) EN ISO 11664-2, Colorimetry Part 2: CIE standard illuminants (ISO 11664-2) 3 Terms, d
28、efinitions, symbols and abbreviations 3.1 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1.1 high-pressure decorative laminate(s) HPL sheet(s) consisting of decorative surface layer(s) and core layers bonded together by an high pressure process
29、Note 1 to entry: Typical values for the high pressure process are a temperature of 120 C and a pressure of 5 MPa. 3.1.2 surface layer upper decorative layer consisting in one or more sheets of fibrous material (usually paper) impregnated with aminoplastic thermosetting resins (usually melamine based
30、 resins) BS EN 438-4:2016EN 438-4:2016 (E) 5 Note 1 to entry: 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) may be made suitable for adhesive bonding to a substrate. 3.1.3 core layer fibrous material (usually paper)
31、impregnated with thermosetting resins (usually phenolic based resins) 3.2 Symbols For the purposes of this document, the following symbol applies. t nominal thickness 4 Material types and classification system Compact laminates are defined using a three letter classification system as shown in Table
32、 1 Table 1 Compact laminate classification system First letter Second letter Third letter C (compact grade) G (general purpose) S (standard grade) or F (flame-retardant grade) Type CGS Standard grade decorative Compact laminates are specified as HPL/EN 438-4/CGS. Type CGF Decorative Compact laminate
33、s with improved fire retardance are similar to type CGS but also meeting special requirements of specified tests which may vary according to the application (e.g. construction, marine, transport) and the country of use (see 6.4.2 and Annex A). Specified as HPL/EN 438-4/CGF. Other laminates having sp
34、ecial characteristics are also available but these products are outside the scope of this part of the standard. 5 Characteristics and applications HPL Compact laminates have the following characteristics: Attractive aesthetic qualities; High mechanical strength; Durability (high resistance to impact
35、, wear and scratching); Good dimensional stability; High resistance to the effects of water, steam, heat and frost; Non-corrosive; Good colour fastness; Easy to clean and maintain (good anti-graffiti properties); Hygienic; Good chemical resistance; BS EN 438-4:2016EN 438-4:2016 (E) 6 No dust attract
36、ion; Ease of installation; Good fire performance. Typical applications include wall cladding, partitions, doors, cubicles, lockers, laboratory bench tops, and various self-supporting components in construction, marine and transport industries. When Compact laminates are self-supporting they are read
37、y for installation and only require cutting to size, drilling, etc. to suit the application. 6 Requirements 6.1 Compliance Compact laminate types CGS and CGF shall meet all appropriate requirements specified in 6.2, 6.3, and 6.4. This applies to both full-size sheets and cut-to-size panels. 6.2 Insp
38、ection requirements 6.2.1 General Inspection shall be carried out in accordance with EN 438-2:2016, Clause 4 at a distance between 750 mm to 1500 mm. 6.2.2 Colour and pattern When inspected in daylight or D65 standard illuminant, as specified in EN ISO 11664-2, and also under tungsten filament light
39、ning illuminant A as specified in EN ISO 11664-2, a slight difference between the corresponding colour reference sample held by the supplier and the specimen under test is acceptable. NOTE Where colour and surface finish are critical, it is advised that sheets be checked for colour and surface-finis
40、h compatibility before fabrication or installation. 6.2.3 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 test. The maximum permitted deviations f
41、or the gloss value determined according to EN 13722 are Gloss surface 70 GU maximum deviation 15 GU Semi Gloss surface 30 70 GU maximum deviation 10 GU Semi Matt surface 10 30 GU maximum deviation 5 GU Matt surface 10 GU maximum deviation 3 GU GU = gloss units The measurement shall be carried out wi
42、th the same device as comparison between reference sample and specimen or between different lots of specimen. NOTE Where colour and surface finish are critical, it is advised that sheets be checked for colour and surface-finish compatibility before fabrication or installation. BS EN 438-4:2016EN 438
43、-4:2016 (E) 7 6.2.4 Visual inspection 6.2.4.1 General The following inspection requirements are intended as a general guide, indicating the minimum acceptable quality for each decorative face of a laminate supplied as a full-size sheet. Cut-to-size panels and certain applications involving full-size
44、 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 should be noted that only a small percentage of sheets in a batch (the level to be agreed with the customer) sho
45、uld 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. 6.2.4.2 Surface quality The following surface defects are permissible: a) dirt, spots and similar surface defects. The admissible
46、 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. b) fibres, h
47、airs 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 in one defect or dispersed over an unlimited amount
48、 of smaller defects. 6.2.4.3 Edge quality Edge chipping up to 3 mm on each side is permissible. 6.3 Dimensional tolerance requirements Dimensional tolerance requirements are specified in Table 2. BS EN 438-4:2016EN 438-4:2016 (E) 8 Table 2 Dimensional tolerance requirements Property Test method (EN
49、438-2:2016, Clause no.) Requirement thickness maximum variation Thickness 5 2,0 t 3,0 mm: 3,0 t 5,0 mm: 5,0 t 8,0 mm: 8,0 t 12,0 mm: 12,0 t 16,0 mm: 16,0 t 20,0 mm: 20,0 t 25,0 mm: 25,0 t 0,20 mm 0,30 mm 0,40 mm 0,50 mm 0,60 mm 0,70 mm 0,80 mm to be agreed between supplier and customer Length and width b6 + 10 mm/ 0 mm Edges straightness b7 1,5 mm/m maximum deviation Edges squareness b8 1,5 mm/m maximum deviation Flatness a9 maximum deviati
