Glassinbuilding-Heat soaked thermallytoughened sodalimesilicatesafetyglass
Part 1: Definition and description
Nationalforeword
ISBN 978 0 580 87502 1
ICS 81.040.20
Amendments issued since publication
Date Text affected
This British Standard is the UK implementation of EN 14179-1:2016.It supersedes BS EN 14179-1:2005 which is withdrawn.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.
The British Standards Institution 2016. Published by BSI Standards Limited 2016
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 31 August 2016.
EN14179-1
Supersedes EN 14179-1:2005
English Version
Glassinbuilding-Heat soaked thermally toughenedsoda lime silicate safety glass-Part 1:Definition and description
calcique de securite trempe et traite Heat Soak - Partie Verre dans la construction - Verre de silicate sodo-1: Definition et description
vorgespanntes Kalknatron-Einscheibensicherheitsglas Glas im Bauwesen - HeifSgelagertes thermisch-Teil : Definition und Beschreibung
This European Standard was approved by CEN on 12 May 2016.
CEN members are bound to ply with the CEN/CENELEC Intermal Regulations which stipulate the conditions for giving thisEuropean Standard the status of a ational standard without any alteration.Up-to-date 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 thre offcial versions (English French German). A version in any otherlanguage made by translation under the responsibility of a CEN member into its own language and notifed to the CEN-CENELEC ManagementCentre has the same status as the official versions.
CEN members are the national standards bodies ofAustria Belgium Bulgaria Croatia Cyprus Czech Reublic enmark Estonia Finland Fomer Yugoslav Republic of Macedonia France Gemany Greece Hungary Iland Ireland taly Latvia Lithunia Luxembourg Malta Netherlands Norway Poland Portugal Romania Slovakia Slovenia Spain Sweden Switzerland Turkey andUnited Kingdom.
EUROPEAN COMMITEE FOR STANDARDIZATIONEUROPAISCHES KOMITEE FOR NORMUNG COMITE EUROPEEN DE NORMALISATION
CEN-CENELEC Management Centre: Avenue Marnix 17 B-100o Brussels
Contents
Page
European foreword. 4Introduction. 51 Scope... ..62 Normative references.. .63 Terms and definitions. .64 Glass products. ..85.1 5 Manufacturing processes. General.. 85.2 Toughening process..5.3 Heat soak process cycle Heat soak process system . ..96 6.1 General. 10 10'9 6.2 Glass support. Oven. 10 106.4 Glass separation .. 106.5 Calibration. 117 Fracture characteristics. 128 8.1 Nominal thickness and thickness tolerances. Dimensions and tolerances. 12 128.2 Width and length (sizes). 138.3 Flatness. Edge and / or surface work holes notches and cut-outs. 159 9.1 Warning. 23 239.2 9.3 Edge working of glass for toughening... Profiled edges... 23 249.4 Round holes... 249.5 9.6 Holes / others. Notches and cut-out... 27 279.7 Shaped panes. 2710 Fragmentationtest. 2710.1 10.2 Dimensions and number of test specimens. General. 27 2710.3 Assessment of fragmentation. Test procedure. 2710.5 10.4 Minimum values from the particle count. 28 2910.6 Selection of the longest particle. Maximum length of longest particle.10.7 11 Other physical characteristics.11.1 Optical distortion.11.3 11.2 Anisotropy (iridescence). Thermal durability 30
11.5 11.4 Mechanical strength Classification of performance under accidental human impact ..31 3112 Marking. 31Annex A (normative) Heat soak process system calibration test. 32A.1 Calibration criteria. ..32A.2 Loading of oven and position for glass surface temperature measurement. ..32A.3 Procedure.. .33A.4 Records.. .33A.5 Interpretation of the calibration test.. 34Annex B (informative) Alternative method for the measurement of roller wave distortion. ..39B.1 Apparatus. .39B.2 Method. 39B.3 Limitations.. 40B.4 Alternative use of apparatus. ..40Annex C (informative) Examples of particle count. Bibliography. ...41.43
