BS-EN-622-3-2004.pdf
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1、BRITISH STANDARD BS EN 622-3:2004 Fibreboards Specifications Part 3: Requirements for medium boards The European Standard EN 622-3:2004 has the status of a British Standard ICS 79.060.20 ? BS EN 622-3:2004 This British Standard was published under the authority of the Standards Policy and Strategy C
2、ommittee on 6 August 2004 BSI 6 August 2004 ISBN 0 580 44224 1 National foreword This British Standard is the official English language version of EN 622-3:2004. It supersedes BS EN 622-3:1997 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee B/541, Woo
3、d-based panels, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catal
4、ogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its cor
5、rect application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests in
6、formed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 15 and a back cover. The BSI copyright notice displayed in this document indicates when the docu
7、ment was last issued. Amendments issued since publication Amd. No. DateComments EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 622-3 April 2004 ICS 79.060.20Supersedes EN 622-3:1997 English version Fibreboards - Specifications - Part 3: Requirements for medium boards Panneaux de fibres - Exige
8、nces - Partie 3: Exigences pour panneaux mi-durs Faserplatten - Anforderungen - Teil 3: Anforderungen an mittelharte Platten This European Standard was approved by CEN on 2 February 2004. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giv
9、ing 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 Central Secretariat or to any CEN member. This European Standard exists in three official vers
10、ions (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 Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium,
11、Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT E
12、UROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2004 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 622-3:2004: E EN 622-3:2004 (E) 2 ContentsPage Foreword3 1Scope 4 2No
13、rmative references4 3Terms and definitions5 4Requirements.6 4.1General6 4.2Requirements for general purpose boards.6 4.2.1Requirements for boards for use in dry conditions.6 4.2.2Requirements for boards for use in humid conditions7 4.2.3Requirements for boards for use in exterior conditions.7 4.3Req
14、uirements for load-bearing boards .8 4.3.1General8 4.3.2Requirements for boards for use in humid conditions8 4.3.3Requirements for boards for use in humid conditions9 5Verification of compliance10 5.1General10 5.2External control10 5.3Factory production control.10 6Marking.10 6.1General purpose boar
15、ds .10 6.2Load-bearing boards.11 6.3Colour coding.11 Annex A (normative) Supplementary properties .12 Annex B (normative) Boil test according to EN 1087-1:1995 Modified procedure 13 Annex C (normative) Determination of bending strength after boil test according to EN 1087- 1:1995 Modified procedure.
16、14 Bibliography15 EN 622-3:2004 (E) 3 Foreword This document (EN 622-3:2004) has been prepared by Technical Committee CEN/TC 112 “Wood-based panels”, 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 identica
17、l text or by endorsement, at the latest by October 2004, and conflicting national standards shall be withdrawn at the latest by October 2004. This standard is one of a series specifying requirements for fibreboards. The other parts of this series are listed in clause 2 and in the bibliography. This
18、document supersedes EN 622-3:1997. The following, modifications have been made: a)The quality requirements of the panel types MBH.H, MBH.E, MBH.LA2, MBH.HLS1 and MBH.HLS2 have been modified. b) The test interval for moisture resistance has been reduced in accordance with EN 13986. Annexes A, B and C
19、 are normative. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, I
20、taly, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EN 622-3:2004 (E) 4 1 Scope This European Standard specifies the requirements for medium boards as defined in EN 316. The values listed in this standa
21、rd relate to product properties but they are not characteristic values to be used in design calculations1). 2 Normative references This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in
22、the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to
23、 applies (including amendments). EN 310:1993, Wood-based panels Determination of modulus of elasticity in bending and of bending strength. EN 317, Particleboards and Fibreboards Determination of swelling in thickness after immersion in water. EN 318, Wood based panels - Determination of dimensional
24、changes associated with changes in relative humidity EN 319, Particleboards and Fibreboards Determination of tensile strength perpendicular to the plane of the board. EN 326-1, Wood-based panels Sampling, cutting and inspection Part 1: Sampling and cutting of test pieces and expression of test resul
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