Glassinbuilding-Thermally toughenedsodalimesilicate safetyglass
Part 1:Definition and description
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National foreword
This British Standard is the UK implementation of EN 12150-1:2015.It supersedes BS EN 12150-1:2000 which is withdrawn.
The UK participation in its preparation was entrusted to Technical Committee B/520/1 Basic and transformed glass products.
A list of organizations represented on this mittee can beobtained on request to its secretary.
provisions of a contract. Users are responsible for its correct This publication does not purport to include allthe necessaryapplication.
Published by BSI Standards Limited 2015 @ The British Standards Institution 2015.
ISBN 978 0 580 77022 7
ICS 81.040.20
Compliance with a British Standard cannot confer immunity fromlegal obligations.
This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 September 2015.
Amendments/corrigenda issued since publication
Date Text affected
EN12150-1
Supersedes EN 12150-1:2000
English Version
Glassinbuilding-Thermally toughenedsodalime silicate safetyglass-Part1:Definition and description
calcique de securite trempe thermiquement - Partie 1: Verre dans la construction - Verre de silicate sodo-Definition et description
Kalknatron-Einscheiben-Sicherheitsglas - Teil 1: Glas im Bauwesen Thermisch vorgespanntesDefinition und Beschreibung
This European Standard was approved by CEN on 8 August 2015.
s ug aop suop a aends pm suoemag euau aan/ a m duoo o punoq aue saquau NEuropean Standard the status of aational standad without any alteration.Up-tdate lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENmember.
This European Standard exists in three official versions (English French German). A version in any other language made bytranslation under the responsibility of a CEN member into its own language and notifed to the CEN-CENELEC Management Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria Belgium Bulgaria Croatia Cyprus Czech Republic Denmark Estonia Finland Former Yugoslav Republic of Macedonia France Germany Greece Hungary Iceland Ireland taly Latvia Lithuania Luxembourg Malta Netherlands Norway Poland Portugal Romania Slovakia Slovenia Spain Sweden Switzerland Turkey andUnited Kingdom.
EUROPEAN COMMITEE FOR STANDARDIZATIONCOMITE EUROPEEN DE NORMALISATION EUROPAISCHES KOMITEE FOR NORMUNG
CEN-CENELEC Management Centre: Avenue Marnix 17 B-10o0 Brussels
Contents
European foreword. 4Introduction. ..51 Scope. ..62 Normative references..3 Terms and definitions . ..6.4 Glass products. ..85 Fracture characteristic.. .8 96 6.1 Nominal thickness and thickness tolerances.. Dimensions and tolerances .96.2 6.2.1 Width and length (sizes). ..9 .96.2.2 General. Maximum and minimum sizes. 106.2.3 6.2.4 Tolerances and squareness. Edge deformation produced by the vertical process 10 11'9 Flatness. 116.3.1 6.3.2 General. Measurement of overall bow. 11 136.3.3 Measurement of wave and roller wave. 146.3.4 6.3.5 Measurement of edge lift (for horizontally toughened glass only). Measurement of perimeter deformation of glass produced by air cushion toughening 15process... 166.3.6 6.3.7 Limitation on overall bow roller waves and edge lift for horizontally toughened ..17Limitation on overall bow wave and perimeter deformation for toughened glass glas... ..176.3.8 manufactured by air cushion process... 186.3.10 Other distortions. 6.3.9 Limitation on overall bow and local distortion for vertically toughened glass .197 Edge and/or surface work holes notches and cut-outs. 207.1 Edge working of glass for toughening... Warning. 207.2 7.3 Profiled edges. 20 217.4 General. Round holes.... 217.4.1 7.4.2 Diameter of holes. 21 217.4.3 Limitations on position of holes. Tolerances on hole diameters. 217.4.4 7.4.5 Tolerances on position of holes. 22 237.5 7.6 Notches and cut-outs... Holes/others. 23 247.7 Shaped panes. 248 Fragmentation test 24
8.1 8.2 Dimensions and number of test specimens General 24 248.3 Test procedure. .248.4 8.5 Assessment of fragmentation. Minimum valuesfrom the particle count. 25 268.6 Selection of the longest particle...... Maximum length of longest particle. 278.7 9 Other physical characteristics. ...27 .279.1 Optical distortion.... .279.1.1 9.1.2 Thermally toughened soda lime silicate safety glass produced byvertical toughening..27 Thermally toughened soda lime silicate safety glass produced by horizontaltoughening .279.2 9.3 Anisotropy (iridescence). Thermal durability.... .27 .279.4 Mechanical strength. ..289.5 Classification of performance under accidental human impact. ...2810 Marking. ...28Annex A (informative) Curved thermally toughened soda lime silicate safety glass... Annex B (informative) Alternative method for the measurement of roller wave distortion. .31 ...30B.1 ..31B.2 Method. ..31B.3 Limitations. ...32B.4 Alternative use of apparatus ...32Annex C(informative)Examples of particle count ...33Annex D (informative) Risk of spontaneous breakage of toughened glass due to nickelsulfide inclusion... 36Bibliography. .37
