ISO INTERNATIONAL STANDARD 16293-2 First edition 2017-03 Glass in building Basic soda lime silicate glass products - Part 2: Float glass Verre dans la construction - Verre de silicate sodocalcique - Partie 2: Glace Reference number ISO 16293-2:2017(E) International Organization for Standardization @ IS0 2017 =ZHEJIANG INST OF STANDARDIZATION C1 5956617 vided by IHS underI itted without license from IHS IS0 16293-2:2017(E) COPYRIGHTPROTECTEDDOCUMENT IS02017,PublishedinSwitzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISO copyrightoffice Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 [email protected] www.iso.org Intenationaibr PrganizationforStandardization icensee-ZHEJIANG INST.OF STANDARDIZRoISQ s1.7 - All rights reserved etworking permitted without license from IHS IS0 16293-2:2017(E) Contents Page Foreword ..iv 1 Scope .1 2 Normative references 3 Terms and definitions 4 Dimensional requirements .3 4.1 Thickness. .3 4.1.1 General. 4.1.2 Tolerances 3 4.2 Length, width and squareness. 4.2.1 Jumboandsplitsizes 4 4.2.2 Supplied and final cut sizes 4 5 Quality requirements .5 5.1 General. .5 5.2 Methods of observation and measurement ..5 5.2.1 Opticalfaults .5 5.2.2 Visual faults .6 5.2.3 Edge defects for final cut sizes .7 5.3 Acceptance levels .8 5.3.1 Opticalfaults 5.3.2 Spotfaults ..8 5.3.3 Linear/extended faults 5.3.4 Edge defects for final cut sizes. .9 6 Designation .9 Annex A (informative) Method for measuring the halo size of spot fault ..10 Bibliography .12 iii See=ZHEJIANG INST OF STANDARDIZATION C1 5956617 vided by IHS under lic withoutlicense from IHS