1、BRITISH STANDARD BS EN 634-1:1995 Cement-bonded particle boards Specification Part 1: General requirements The European Standard EN 634-1:1995 has the status of a British Standard ICS 79.060.20BSEN 634-1:1995 This British Standard, having been prepared under the directionof the Sector Board forBuild
2、ing and Civil Engineering, was published underthe authority of the Standards Board and comes intoeffect on 15December1995 BSI 09-1999 The following BSI references relate to the work on this standard: Committee reference B/541 Draft for comment 92/11485 DC ISBN 0 580 24790 2 Committees responsible fo
3、r this British Standard The preparation of this British Standard was entrusted to Technical Committee B/541, Wood based panels, upon which the following bodies were represented: APA/Engineered Wood Association Association of British Plywood and Veneer Manufacturers British Woodworking Federation Cou
4、ncil of the Forest Industries of British Columbia Department of the Environment (Building Research Establishment) Finnish Plywood International Flat Roofing Contractors Advisory Board Forestry Commission Furniture Industry Research Association Institution of Structural Engineers Local Authority Orga
5、nizations Mineral Bonded Board Products Federation National Federation of Roofing Contractors National House-Building Council National Panel Products Association Royal Institute of British Architects Structural Board Association Timber Research and Development Association Timber Trade Federation Woo
6、d Panel Products Federation Zurich Municipal Building Guarantee Co-opted members Amendments issued since publication Amd. No. Date CommentsBSEN 634-1:1995 BSI 09-1999 i Contents Page Committees responsible Inside front cover National foreword ii Foreword 2 Text of EN 634-1 3BSEN 634-1:1995 ii BSI 09
7、-1999 National foreword This Part of BS EN634 has been prepared by Technical Committee B/541 and is the English language version of EN634-1:1995 published by the European Committee for Standardization (CEN). A British Standard does not purport to include all the necessary provisions of a contract. U
8、sers of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Cross-references Publications referred to Corresponding British Standards EN 322:1992 BS EN 322:1993 Wood-based panels Determination
9、of moisture content BS EN 324 Wood-based panels Determination of dimensions of boards EN 324-1:1993 Part 1:1993 Determination of thickness, width and length EN 324-2:1993 Part 2:1993 Determination of squareness and edge straightness EN 326-1:1993 BS EN 326-1:1994 Sampling and cutting of test pieces
10、and expression of test results EN 633:1993 BS EN 633:1994 Cement-bonded particleboards Definition and classification Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, theEN title page, pages 2 to 4 and a back cover. This standard has been updated (see cop
11、yright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 634-1 March 1995 ICS 79.060.20 Descriptors: Particleboards, wooden boards, hydraulic binders, cements, specifications, c
12、haracteristics English version Cement-bonded particleboards Specification Part 1: General requirements Panneaux de particles lies au ciment Exigences Partie 1: Exigences gnrales Zementgebundene Spanplatten Anforderungen Teil 1: Allgemeine Anforderungen This European Standard was approved by CEN on19
13、95-03-07. CEN members are 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 obt
14、ained on application to the Central Secretariat 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 Central Sec
15、retariat has the same status as the official versions. CEN members are the national bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Sta
16、ndardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1995 All rights of reproduction and communication in any form and by any means reserved in all countries to CEN and its members Ref. No. EN 634-1:1995 EEN 634-1:1995 BS
17、I 09-1999 2 Foreword This European Standard has been prepared by the Technical Committee CEN/TC112, Wood-based panels, of which the secretariat is held by DIN. This standard is Part 1 of a two-part standard specifying requirements for cement-bonded particleboards. The second part is This European St
18、andard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by September1995, and conflicting national standards shall be withdrawn at the latest by September1995. According to the CEN/CENELEC Internal Regulations, the followin
19、g countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. Contents Page Foreword 2 1 Scope 3 2 Normative references 3 3 Req
20、uired properties 3 4 Verification of compliance 3 5 Marking 3 Annex A (informative) Bibliography 4 Table 1 General requirements at dispatch 3 Table 2 Test methods 3 EN 634-2 Cement-bonded particleboards Specifications Part 2: Requirements for OPC bonded particleboards for use in dry, humid and exter
21、ior conditionsEN 634-1:1995 BSI 09-1999 3 1 Scope This European Standard specifies general requirements for cement-bonded particleboards. The boards are defined in EN633. 2 Normative references This European Standard incorporates by dated or undated reference, provisions from other publications. The
22、se normative references are cited at the appropriate places in 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 undat
23、ed references the latest edition of the publication referred to applies. EN 322, Wood-based panels Determination of moisture content. EN 324-1, Wood-based panels Determination of dimensions of boards Part 1: Determination of thickness, width and length. EN 342-2, Wood-based panels Determination of d
24、imensions of boards Part 2: Determination of squareness and edge straightness. EN 326-1, Wood-based panels Sampling, cutting and inspection Part 1: Sampling and cutting of test pieces and expression of test results. EN 633, Cement-bonded particleboards Definitions and classification. EN 634-2, Cemen
25、t-bonded particleboards Specifications Part 2: Requirements for OPC bonded particleboards for use in dry, humid and exterior conditions 1) . 3 Required properties Cement-bonded particleboards shall comply with the general requirements listed in Table 1 at the time of dispatch from the manufacturer.
26、4 Verification of compliance Verification of compliance with this EN shall be assessed using test methods listed in Table 2. Sampling and cutting of the test pieces shall be carried out according to EN326-1. Table 2 Test methods 5 Marking Marking of the boards shall be according to EN634-2. Table 1
27、General requirements at dispatch 1) At present at the draft stage. Property EN standard Dimensional tolerances EN 324-1 Tolerances for edge straightness and squareness EN 324-2 Moisture content EN 322 Property Requirement Dimensional tolerances on nominal thickness t (sanded) 0,3 mm within board and
28、 between boards thickness t (unsanded) 12 mm 0,7 mm within board and between boards 12 mm k t 15 mm 1,0 mm 15 mm k t 19 mm 1,2 mm U 19 mm 1,5 mm length and width 5 mm Edge straightness tolerance 1,5 mm per m Squareness tolerance 2 mm per m Moisture content 6 % to 12 %EN 634-1:1995 4 BSI 09-1999 Anne
29、x A (informative) Bibliography EN 326-2, Wood-based panels Sampling, cutting and inspection Part 2: Quality control in the factory 2) . EN 326-3, Wood-based panels Sampling, cutting and inspection Part 3: Inspection of a consignment of panels 2) . 2) At present at the draft stage.5 blankBS EN 634-1:
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