© ISO 2017 Glass in building — Basic soda lime silicate glass products — Part 3 Polished wired glass Verre dans le bâtiment — Produits de base Verre de silicate sodo calcique — Partie 3 Verre armé pol[.]
INTERNATIONAL STANDARD ISO 16293-3 First edition 2017-03 Glass in building — Basic soda lime silicate glass products — Part 3: Polished wired glass Verre dans le bâtiment — Produits de base: Verre de silicate sodocalcique — Partie 3: Verre armé poli Reference number ISO 16293-3:2017(E) © ISO 2017 ISO 16293-3:2017(E) COPYRIGHT PROTECTED DOCUMENT © ISO 2017, Published in Switzerland All rights reserved Unless otherwise specified, no part o f 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 o f the requester ISO copyright o ffice Ch de Blandonnet • CP 401 CH-1214 Vernier, Geneva, Switzerland Tel +41 22 749 01 11 Fax +41 22 749 09 47 copyright@iso.org www.iso.org ii © ISO 2017 – All rights reserved ISO 62 93 -3 : 01 7(E) Page Contents iv Scope Normative references Terms and definitions Dimensional requirements 4.1 Thickness 4.1.1 General 4.1.2 Tolerance 4.2 Length, width and squareness 4.3 Wire mesh 4.3.1 Diameter of wires 4.3.2 Mesh dimension Quality requirements 5.1 General 5.2 Methods of observation and measurement 5.2.1 Optical faults 5.2.2 Visual faults f f 5.3 Acceptance levels 5.3.1 Optical faults 5.3.2 Visual faults f f Designation Bibliography Foreword E dge de ects o r final cut s izes 3 E dge de ects o r final cut s izes © ISO 2017 – All rights reserved iii ISO 16293-3:2017(E) Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies) The work o f preparing International Standards is normally carried out through ISO technical committees Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters o f electrotechnical standardization The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part In particular the different approval criteria needed for the di fferent types o f ISO documents should be noted This document was dra fted in accordance with the editorial rules of the ISO/IEC Directives, Part (see www.iso org/directives) Attention is drawn to the possibility that some o f the elements o f this document may be the subject o f patent rights ISO shall not be held responsible for identi fying any or all such patent rights Details o f any patent rights identified during the development o f the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso org/patents) Any trade name used in this document is in formation given for the convenience o f users and does not constitute an endorsement For an explanation on the voluntary nature o f standards, the meaning o f ISO specific terms and expressions related to formity assessment, as well as in formation about ISO’s adherence to the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following URL: www.iso org/iso/foreword html The committee responsible for this document is ISO/TC 160, Glass in building, Subcommittee SC 1, Product considerations A list of all parts in the ISO 16293 series can be found on the ISO website iv © ISO 2017 – All rights reserved INTERNATIONAL STANDARD ISO 16293-3:2017(E) Glass in building — Basic soda lime silicate glass products — Part 3: Polished wired glass Scope T h i s c u ment s p e c i fie s d i men s iona l and m i n i mu m qua l ity re qu i rements (i n re s p e c t o f op tic a l, vi s ua l and wi re fau lts) for p ol i s he d wi re d glas s , as defi ne d i n I S O 162 -1 , for u s e i n bu i ld i ng T h i s c u ment app l ie s on ly to p ol i s he d wi re d gla s s s uppl ie d i n re c tangu la r p ane s , i n s to ck s i z e s a nd fi na l c ut s i ze s Normative references There are no normative references in this document Terms and definitions ISO 16293-1 f ISO and IEC maintain terminological databases for use in standardization at the following addresses: — IEC Electropedia: available at http://www.electropedia org/ — ISO Online browsing platform: available at http://www.iso org/obp For the purpo ses o f thi s cument, the terms and defi nitions given i n and the ol lowi ng apply 3.1 length H dimension of the straight edge of the glass parallel to the direction of draw of the glass ribbon N o te to entr y: S e e Figure l B [S OU RC E : I S O 114 -1 : 011 , , mo d i fie d] H Key l H B direction of draw length width Figure — Relationship between length, width and direction of draw © ISO 2017 – All rights reserved ISO 62 -3 : 01 7(E) 3.2 width B dimension of the edge of the glass perpendicular to the direction of the glass ribbon N o te to entr y: S e e Figure 3.3 stock size glass sizes that are intended to be re-cut to obtain final cut sizes (3.4) pane of glass that has been cut down to the dimensions being required either for installation or f i n a l c u t s i z e pro ce s s i ng i nto a fi na l pro duc t, e g i n s u lati ng gla s s u nits , o f tho s e d i men s ion s 3.5 optical faults fau lts wh ich le ad to d i s tor tion s i n the app e arance o f obj e c ts ob s er ve d th rough the glas s visual faults fau lts wh ich a lter the vi s ua l qua l ity o f the gla s s N o te to entr y: Vi s u a l fau lts i nclude s p o t fau lts , l i ne a r/e x tende d fau lts a nd wi re fau lts spot fault fault which can be in or on the glass in the form of gaseous inclusion, solid inclusion, mark or deposit of small size 3.8 spherical or quasi-spherical spot faults spot faults (3.7) whose larger dimension is less than or equal to twice the smaller dimension elongated spot faults spot faults (3.6) whose lager dimension is more than twice the smaller dimension 10 linear/extended faults fau lts wh ich c an b e on or i n the gla s s , i n the extended long area form o f dep o s its , ma rks or s c ratche s wh ich o cc up y any 11 wire faults deviation o f the wi re, p enetration o f the glas s s ur face by the wi re or bre ak in the wi re i n b o dy o f the glas s deviation of the wire deviation, x, y or z, of the wire in relation to a reference, e.g line or straight edge (see Figure 3) 3 edge defect defect which can occur on the edge of a glass sheet in the form of entrant and emergent faults and/or bevels © ISO 2017 – All rights reserved ISO 16293-3:2017(E) Dimensional requirements 4.1 Thickness 4.1.1 General The actual thickness shall be the average of four measurements taken to the nearest 0,01 mm, one taken at the centre o f each side Measurement shall be by means o f an instrument o f calliper micrometre type 4.1.2 Tolerance All four measurements, rounded to the nearest 0,1 mm shall not vary from the nominal thickness by more than the limits shown in Table Table — Thickness tolerance Dimensions in millimetres Limiting values Minimum Maximum Nominal thickness 10 6,2 9,1 7,4 10,9 4.2 Length, width and squareness The tolerances, t, on nominal dimensions length, H, and width, B, are ±4 mm The limits o f squareness are described by the di fference between diagonals Limits are given in Table Table — Limit on the difference between diagonals Dimensions in millimetres Limit on the difference between diagonals Nominal glass thickness and 10 S (H, B) ≤ 1500 t o c k s i z e s a n d f i n Splits a l c u 1500 < (H, B) ≤ 3000 t s i z e s (H, B) > 3000 4.3 Wire mesh 4.3.1 Diameter of wires Diameter of wires shall be 0,42 mm or more 4.3.2 Mesh dimension All intersections shall be welded The mesh dimension, d, shall not exceed 16 mm for square, 32 mm for diamond The spacing s for parallel strand shall be from 45 mm to 55 mm (see Figure 2) © ISO 2017 – All rights reserved d d ISO 16293-3:2017(E) d Key d d d mesh dimensions Figure — Mesh dimension Quality requirements 5.1 General O ne qu a l i t y i s co n s i de re d i n th i s c u me nt T h i s i s de te r m i ne d b y e va lu atio n o f the o p tic a l a nd visual faults M any s p o t fau lts fau lts are a s s o ci ate d with the wi re , due to the i ncorp oration o f the wi re i nto the gla s s Sp o t c an, thu s , b e d i s ti ngu i s he d b y thei r relation s h ip with the wi re: — distance from the wire >2 mm; — d i s ta nce from the wi re ≤ m m, or i n contac t with the wi re T here a re th re e d i fferent typ e s o f deviation o f the wi re s idere d, wh ich may o cc u r s i mu ltane ou sly T hey are s hown i n — out of square, — waviness, and — bow Figure and are 5.2 Methods of observation and measurement 5.2.1 Optical faults T he gla s s p a ne to b e exa m i ne d i s place d m from the glass pane from a b an k o f s trip l ights T he ob s er ver s ta nd s m away T he s tr ip l i ghts a re vie we d th ro u gh the gl a s s a nd a ny d i s ro b i n g d i s to r tio n s w i th i n the gl a s s p a ne are noted 5.2.2 5.2.2.1 Visual faults Spot and linear/extended faults T he gla s s p a ne to b e exam i ne d i s i l lu m i nate d i n cond ition s approxi mati ng to d i ffu s e dayl ight a nd i s ob s er ve d i n front o f a matt black s cre en (refle c tion co e fficient b e twe en , a nd ,4) © ISO 2017 – All rights reserved ISO 62 93 -3 : 01 7(E) Place the pane o f glass to be examined vertically in front o f the screen and parallel to it Arrange the point of observation m from the glass, keeping the direction of observation normal to the glass surface View the pane o f glass, and note the presence o f visually disturbing faults a) Spot faults Measure the dimensions of these faults with a micrometre with graduations in tenths of a millimetre Note the number, dimensions and concentration of the spot faults together with their relationship to the wire b) Linear/extended faults Note the number of these faults 2 Wire faults z y A reference, e.g line or straight edge, is placed parallel to the direction of the wires The deviation of the wire in relation to this reference edge is measured (see Figures to 5) x NOTE Out of square Waviness The scale of these drawings is exaggerated to be explicit Bow Figure — Representations of the types of wire deviations (square) © ISO 2017 – All rights reserved ISO 62 -3 : 01 7(E) Out of shape NOTE The scale of this drawing is exaggerated to be explicit Figure — Representations of the types of wire deviations (diamond) x Out of parallel NOTE The scale of these drawings is exaggerated to be explicit Figure — Representations of the types of wire deviations (parallel) Any penetration o f the glass sur face by the wire is noted Any breaks in the wire are noted 5.2.3 Edge de fects for final cut sizes Entrant and emergent faults These faults are shown in Figures and The dimensions h1 , h and p and the glass thickness, e, are measured © ISO 2017 – All rights reserved h₂ h₁ ISO 62 93 -3 : 01 7(E) h₁ h₁ Figure — Entrant and emergent faults (surface view) p e Figure — Entrant faults (edge view) Bevel d d This fault is shown in Figure The dimension, d, and the glass thickness, e, are measured e e Figure — Bevel (edge view) Acceptance levels Optical faults T he ob s er ver s hou ld no t s e e a ny d i s turbi ng d i s tor tion s with i n the glas s p a ne 5 Visual faults Spot faults T he a l lowable nu mb ers for © ISO 2017 – All rights reserved typ e o f s p o t fau lts are shown i n Tables and ISO 62 -3 : 01 7(E) Table — Spherical and quasi-spherical spot faults D is tance from wire Core s ize for large dimension M a ximum in any p ane ≤2,0 >2,0 and ≤4,0 Any number [mm] [mm] ≤2,0 >4,0 >2,0 ≤1,5 >1,5 and ≤4,0 [piece(s)/m ] Any number >4,0 Table — E longated spot fault Width of fault Length of fault [mm] ≤1,0 [mm] ≤2,0 >2,0 and ≤5,0 >5,0 and ≤10,0 >10,0 and ≤15,0 >1,0 2 M a ximum in any p ane [piece(s)/m ] Any number 0,5 >15,0 ≤5,0 >5,0 Linear/extended faults There shall be no visually observable de fect in the observation conditions described in 5.2.2.1 3 3 Wire faults Square The deviation, x, (see Figure 3) shall not exceed 16 mm per metre for the out of square The deviation, y and z, shall not exceed 16 mm for the waviness and bow, respectively NOTE The deformation of the wires of each square of the mesh is not considered No penetration of the surface is acceptable Breaks in the wire are not acceptable 3 Diamond The ratio, Xn/Yn, (see Figure 4) shall not exceed 0,9 or 1,1 for the out of shape No penetration of the surface is acceptable Breaks in the wire are not acceptable 3 Parallel The deviation, x, (see Figure 5) shall not exceed 16 mm per metre for the out of parallel No penetration of the surface is acceptable Breaks in the wire are not acceptable © ISO 2017 – All rights reserved ISO 62 93 -3 : 01 7(E) 5.3.3 Edge de fects for final cut sizes The limitations on entrant and emergent faults and bevel are given in Table Table — Limitations on edge defects Edge defect Limitations Entrant fault < e mm P < (0,8 × e) mm h < e mm The ratio (d/e) shall be less than 0,8mm h1 Emergent fault Bevel T he l i m i tatio n s o n l y ap p l y when there i s no r i s k o f b re a kage re s u lti n g fro m the r m a l s tre s s I n ap p l ic atio n s where the r m a l s tre s s b re a kage m ay ap p l y, the m a nu fac tu re rs ’ re co m mend atio n s o n e dge qu a l it y s ho u ld b e Designation Pol i s he d wi re d following: — fo l lo we d gla s s in compl ia nce with th i s c ument s l l be de s ignate d re s p e c tively by the the typ e; — a reference to this document, i.e ISO 16293-3; — the nominal thickness in mm; — the nominal length, H, and width, B, in mm EXAMPLE Polished wired glass, intended for use in buildings, thickness mm, length 438 m, width 829 m is designated as follows: Polished wired glass – ISO 16293-3 – mm, 438 mm ì 829 mm â ISO 2017 – All rights reserved ISO 62 -3 : 01 7(E) Bibliography [1] 10 Glass in building — Basic soda lime silicate glass products — Part 1: Definitions and general physical and mechanical properties ISO 62 -1 , © ISO 2017 – All rights reserved ISO 62 93 -3 : 01 7(E) ICS 81.040.20 Price based on 10 pages © ISO 2017 – All rights reserved