1、BRITISH STANDARD BS EN 633:1994 Cement-bonded particleboards Definition and classificationBSEN633:1994 This British Standard, having been prepared under the directionof the Technical Sector Board for Building and Civil Engineering, was published underthe authority of the Standards Board and comes in
2、toeffect on 15January1994 BSI 09-1999 The following BSI references relate to the work on this standard: Committee reference B/541 Draft for comment 92/11484 DC ISBN 0 580 21861 9 Cooperating organizations The European Committee for Standardization (CEN), under whose supervision this European Standar
3、d was prepared, comprises the national standards organizations of the following countries: Austria Oesterreichisches Normungsinstitut Belgium Institut belge de normalisation Denmark Dansk Standardiseringsraad Finland Suomen Standardisoimisliito, r.y. France Association franaise de normalisation Germ
4、any Deutsches Institut fr Normung e.V. Greece Hellenic Organization for Standardization Iceland Technological Institute of Iceland Ireland National Standards Authority of Ireland Italy Ente Nazionale Italiano di Unificazione Luxembourg Inspection du Travail et des Mines Netherlands Nederlands Normal
5、isatie-instituut Norway Norges Standardiseringsforbund Portugal Instituto Portugus da Qualidade Spain Asociacin Espaola de Normalizacin y Certificacin Sweden Standardiseringskommissionen i Sverige Switzerland Association suisse de normalisation UnitedKingdom British Standards Institution Amendments
6、issued since publication Amd. No. Date CommentsBSEN633:1994 BSI 09-1999 i Contents Page Cooperating organizations Inside front cover National foreword ii Foreword 2 Text of EN 633 3 National annex NA (informative) Committees responsible Inside back coverBSEN633:1994 ii BSI 09-1999 National foreword
7、This British Standard has been prepared under the direction of the Technical Sector Board for Building and Civil Engineering and is the English language version of EN633:1993, Cement-bonded particleboards Definition and classification, published by the European Committee for Standardization (CEN). E
8、N633 was produced as a result of international discussions in which the UK took an active part. This standard has no equivalent in BS5669-4:1989 although the definition of cement-bonded particleboard is technically equivalent to2.2 of that standard. This standard together with a number of other ENs
9、will form a comprehensive series of standards in the field of wood-based panels. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself
10、confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, theEN title page, pages 2 to 4, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated.
11、This will be indicated in the amendment table on the inside front cover.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 633 October 1993 UDC 674.03:674.816.2:666.94:001.4 Descriptors: Particleboards, wooden boards, hydraulic binders, cements, definitions, classifications English version Cement-
12、bonded particleboards Definition and classification Panneaux de particules lies au ciment Dfinition et classification Zementgebundene Spanplatten Definition und Klassifizierung This European Standard was approved by CEN on1993-10-27. CEN members are bound to comply with the CEN/CENELEC Internal Regu
13、lations 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 the Central Secretariat or to any CEN member. This E
14、uropean 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 Central Secretariat has the same status as the official versions. CEN members are the n
15、ational standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and UnitedKingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr
16、Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1993 Copyright reserved to CEN members Ref. No. EN 633:1993 EEN633:1993 BSI 09-1999 2 Foreword This European Standard was prepared by Working Group6, Cement-bonded particleboards, (Joint secretariat France and UnitedKingdom) of Technic
17、al Committee CEN/TC112, Wood-based panels (Secretariat : Germany). No existing European Standard is superseded. 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 April1994, and conflicting national
18、standards shall be withdrawn at the latest by December1995. In accordance with the Common CEN/CENELEC Internal Regulations the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherla
19、nds, Norway, Portugal, Spain, Sweden, Switzerland and UnitedKingdom. Contents Page Foreword 2 1 Scope 3 2 Definition 3 3 Classification 3EN633:1993 BSI 09-1999 3 1 Scope This European Standard gives a definition and classification for cement-bonded particleboards. Particleboards manufactured with or
20、ganic binders, or particleboard manufactured with a gypsum binder are not included. NOTEParticleboards manufactured with organic binders are defined and classified in EN309:1992 Particleboards Definition and classification. 2 Definition 2.1 cement-bonded particleboard sheet material manufactured und
21、er pressure, based on wood or other vegetable particles bound with hydraulic cement and possibly containing additives 3 Classification Cement-bonded particleboards can be classified according to different criteria, and there may be criteria other than those listed here. However, the most common clas
22、sifications of cement-bonded particleboards are as follows. 3.1 According to the binder bonded with ordinary Portland cement (OPC); bonded with magnesium based cements (e.g.magnesite). 3.2 According to the state of the surfaces as pressed plain or patterned; sanded; coated liquid or powder; surface
23、with sheet material (e.g.decorative laminated plastics sheet, impregnated decorative paper, metal sheet, foil). 3.3 According to coloration integrally coloured; no added coloration. 3.4 According to the shape with flat surfaces and square edges; with profiled surface; with profiled edges.4 blankBSEN
24、633:1994 BSI 09-1999 National annex NA (informative) Committees responsible The UnitedKingdom participation in the preparation of this European Standard was entrusted by the Technical Sector Board for Building and Civil Engineering (B/-) to Technical Committee B/541, upon which the following bodies
25、were represented: American Plywood Association Association of British Plywood and Veneer Manufacturers British Woodworking Federation Chartered Institute of Building Coordinator for Timber and Timber Products Council of the Forest Industries of British Columbia Department of the Environment (Buildin
26、g Research Establishment) Finnish Plywood International Flat Roofing Contractors Advisory Board Forestry Commission Furniture Industry Research Association Institution of Structural Engineers Local Authority Organizations Municipal Mutual National Federation of Roofing Contractors National House-Bui
27、lding Council National Panel Products Association Royal Institute of British Architects Structural Board Association Timber Research and Development Association Timber Trade Federation Wood Panel Products FederationBS EN 633:1994 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitutio
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