EUROPEANSTANDARD EN 314-2 NORME EUROPEENNE February 1993 EUROPAISCHE NORM UDC 674.03-419.3:621.792:620.176 Descriptors:Woodenboards,plywood,gluing,quality,specifications,classification,shearstrength English version Plywood Bonding quality Part 2: Requirements Contreplaqué Sperrholz Qualité du collage - Qualitat der Verklebung Partie 2: Exigences Teil 2: Anforderungen This European Standard was approved by CEN on 1992-12-15. 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 obtained 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 Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN EuropeanCommitteeforStandardization Comité Européen de Normalisation Europaisches Komitee fur Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels @ 1993 Copyright reserved to CEN members Ref. No. EN 314-2:1993 E EN 314-2:1993 Foreword Contents This European Standard was prepared by Working Page Group 2“Plywood" (Secretariat: France) of Foreword 2 Technical Committee CEN/TC 112 "Wood-based 1 Scope 8 panels" (Secretariat: Germany). 2 Normative references 3 This standard is one of a series of standards specifying requirements and test methods for 3 Bonding classes 8 plywood. 4 Requirements 8 No existing European Standard is superseded. 5 Determinationofthebondingclass 3 This European Standard shall be given the status of Annex A (informative) Bibliography 5 a national standard, either by publication of an Figure 1 - Relationship between the identical text or by endorsement, at the latest by mean percentage of apparent cohesive August 1993, and conflicting national standards wood failure and the mean shear strength 4 shall be withdrawn at the latest by December 1994. Table 1 Pretreatments for the three In accordance with the CEN/CENELEC Internal bonding classes 8 Regulations, the following countries are bound to Table 2 Requirements 8 implement this European Standard: Austria Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, United Kingdom. 2