Adhesives - Wood adhesives - Determination of tensile strength of lap joints at elevated temperature (WATT '91)

This European Standard specifies a method for testing the strength of wood adhesives at 80 °C.
NOTE   The procedure described is based on a test developed in Germany known originally as the WATT ‘91 test. It uses the test piece described in EN 205.

Klebstoffe - Holzklebstoffe - Bestimmung der Klebfestigkeit von Längsklebungen im Zugversuch in der Wärme (WATT '91)

Diese Europäische Norm legt ein Verfahren zur Prüfung der Festigkeit von Holzklebstoffen bei 80 °C fest.
ANMERKUNG Das beschriebene Verfahren geht auf eine in Deutschland entwickelte Prüfung zurück, die als WATT’91
bekannt wurde. Es werden die in EN 205 beschriebenen Prüfkörper verwendet.

Adhésifs - Adhésifs pour bois - Détermination de la résistance en traction à température élevée des joints à recouvrement (essai WATT '91)

La présente Norme européenne spécifie une méthode d’essai de la résistance à 80 °C des adhésifs pour bois.
NOTE La méthode décrite reprend un essai mis au point en Allemagne, initialement connu sous le nom d’essai WATT ’91
et se sert d’une éprouvette correspondant à la description de l’EN 205.

Lepila – Lepila za les – Ugotavljanje natezne trdnosti spojev s preklopom pri povišani temperaturi (WATT ’91)

General Information

Status
Withdrawn
Publication Date
20-Jun-2006
Withdrawal Date
24-Sep-2019
Current Stage
9960 - Withdrawal effective - Withdrawal
Completion Date
25-Sep-2019

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Lepila – Lepila za les – Ugotavljanje natezne trdnosti spojev s preklopom pri povišani temperaturi (WATT ’91)Klebstoffe - Holzklebstoffe - Bestimmung der Klebfestigkeit von Längsklebungen im Zugversuch in der Wärme (WATT '91)Adhésifs - Adhésifs pour bois - Détermination de la résistance en traction a température élevée des joints a recouvrement (essai WATT '91)Adhesives - Wood adhesives - Determination of tensile strength of lap joints at elevated temperature (WATT '91)83.180LepilaAdhesivesICS:Ta slovenski standard je istoveten z:EN 14257:2006SIST EN 14257:2006en01-oktober-2006SIST EN 14257:2006SLOVENSKI

STANDARD
SIST EN 14257:2006

EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 14257June 2006ICS 83.180 English VersionAdhesives - Wood adhesives - Determination of tensile strengthof lap joints at elevated temperature (WATT '91)Adhésifs - Adhésifs pour bois - Détermination de larésistance en traction à température élevée des joints àrecouvrement (essai WATT '91)Klebstoffe - Holzklebstoffe - Bestimmung der Klebfestigkeitvon Längsklebungen im Zugversuch in der Wärme (WATT'91)This European Standard was approved by CEN on 21 November 2005.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards 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 translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania,Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36

B-1050 Brussels© 2006 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 14257:2006: ESIST EN 14257:2006

EN 14257:2006 (E) 2 Contents Page Foreword................................................................................................................................................3 1 Scope.........................................................................................................................................4 2 Normative references..............................................................................................................4 3 Terms and definitions..............................................................................................................4 4 Principle....................................................................................................................................4 5 Apparatus.................................................................................................................................4 6 Sample preparation..................................................................................................................5 6.1 Preparation of the bonded test pieces...................................................................................5 6.2 Conditioning bonded assemblies or test pieces..................................................................5 7 Test procedure.........................................................................................................................5 8 Calculation and expression of results...................................................................................5 9 Test report................................................................................................................................5 9.1 General......................................................................................................................................5 9.2 The adhesive............................................................................................................................6 9.3 Preparation of the test pieces and testing procedures........................................................6 9.4 Test results...............................................................................................................................6

SIST EN 14257:2006

EN 14257:2006(E) 3 Foreword This European Standard (EN 14257:2006) has been prepared by Technical Committee CEN/TC 193 “Adhesives”, the secretariat of which is held by AENOR. 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 December 2006, and conflicting national standards shall be withdrawn at the latest by December 2006. 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, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,

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