Glass in building - Mirrors from silver-coated float glass for internal use - Part 1: Definitions, requirements and test methods

This European Standard specifies minimum quality requirements (in respect of optical, visual and edge faults) and durability tests for mirrors from silvered float glass for internal use in building.
This European Standard applies only to mirrors from silvered glass manufactured from flat annealed clear or tinted float glass, 2 mm to 10 mm thickness, and supplied in stock/standard sizes and as-cut finished sizes.
This European Standard does not apply to mirrors from silvered glass manufactured from any basic glass other than float glass, any processed glass, i.e. thermally toughened safety glass, heat strengthened glass, chemically strengthened glass and laminated glass, and any bent glass.
For mirrors from silvered glass used in aggressive and/or constantly high humidity atmospheres, e.g. horse riding halls, swimming pools, medical baths, saunas etc. this European Standard is not applicable. This European Standard is not applicable to reflective glass for external glazing applications.
This European Standard does not apply to framing, fixing or other support systems.
NOTE    Useful advice on these items is contained in the informative Annex B.

Glas im Bauwesen - Spiegel aus silberbeschichtetem Floatglas für den Innenbereich - Teil 1: Begriffe, Anforderungen und Prüfverfahren

Diese Europäische Norm legt Mindestqualitätsanforderungen (im Hinblick auf optische und visuelle Fehler
sowie auf Kantenfehler) an Spiegel aus silberbeschichtetem Floatglas für den Innenbereich im Bauwesen
sowie Beständigkeitsprüfungen fest.
Diese Europäische Norm gilt nur für Spiegel aus silberbeschichtetem Glas, die aus planem, spannungsfreiem,
klarem oder gefärbtem Floatglas von 2 mm bis 10 mm Dicke hergestellt sind, und in Lager-/Standardabmessungen
und in Festmaßen geliefert werden.
Diese Europäische Norm gilt nicht für Spiegel aus silberbeschichtetem Glas, die aus einem anderen Basisglas
als Floatglas, aus behandeltem Glas, d. h. aus vorgespanntem Sicherheitsglas, teilvorgespanntem Glas,
chemisch vorgespanntem Glas oder Verbundglas, oder aus gebogenem Glas hergestellt wurden.
Diese Europäische Norm gilt nicht für Spiegel aus silberbeschichtetem Glas, die in einem aggressiven Klima
und/oder in Räumen mit ständig hoher Luftfeuchte, z. B. in Reithallen, Schwimmbädern, Heilbädern, Saunen
usw., verwendet werden. Des Weiteren gilt sie nicht für reflektierendes Glas für Verglasungen im
Außenbereich.
Diese Europäische Norm gilt nicht für Rahmen, Befestigungen oder sonstige Trägersysteme.
ANMERKUNG Nützliche Hinweise zu diesen Positionen sind im informativen Anhang B enthalten.

Verre dans la construction - Miroirs en glace argentée pour l'intérieur - Partie 1: Définitions, exigences et méthodes d'essai

La présente Norme européenne spécifie les exigences minimales de qualité (en rapport avec les défauts
optiques, d’aspect et des bords) et les essais de durabilité des miroirs en glace argentée utilisés à l’intérieur
des bâtiments.
La présente Norme européenne s’applique uniquement aux miroirs en verre argenté fabriqués à partir de
glace recuite plane, claire ou colorée, de 2 mm à 10 mm d’épaisseur, et livrés en dimensions standard et en
dimensions finies brutes de coupe.
La présente Norme européenne ne s’applique pas aux miroirs en verre argenté fabriqués à partir de verre de
base autre que la glace, ni aux verres transformés tels que les verres de sécurité trempés thermiquement, les
verres durcis thermiquement, les verres trempés chimiquement, et les verres feuilletés, ainsi que tous verres
bombés.
La présente Norme européenne n’est pas d’application pour les miroirs en glace argentée utilisés en
atmosphère agressive et/ou en atmosphère à humidité constamment élevée, comme par exemple, les centres
équestre (manèges), piscines, bains médicaux, saunas, etc. La présente Norme européenne n’est pas
applicable aux verres réfléchissants utilisés en vitrerie extérieure.
La présente Norme européenne ne concerne pas les encadrements, la fixation ou tout autre système de
support.
NOTE Des informations utiles sur la pose et la fixation des miroirs sont données dans l’Annexe informative B.

Steklo v gradbeništvu - Ogledala iz stekla s srebrno prevleko za uporabo v notranjosti stavb - 1. del: Definicije, zahteve in preskusne metode

General Information

Status
Withdrawn
Publication Date
30-Mar-2008
Withdrawal Date
29-Jun-2008
Current Stage
9060 - Closure of 2 Year Review Enquiry - Review Enquiry
Start Date
04-Mar-2018
Completion Date
04-Mar-2018

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Glass in building - Mirrors from silver-coated float glass for internal use - Part 1: Definitions, requirements and tests methodsSteklo v gradbeništvu - Ogledala iz stekla s srebrno prevleko za uporabo v notranjosti stavb - 1. del: Definicije, zahteve in preskusne metodeVerre dans la construction - Miroirs en glace argentée pour l'intérieur - Partie 1: Définitions, exigences et méthodes d'essaiGlas im Bauwesen - Spiegel aus silberbeschichtetem Floatglas für den Innenbereich - Teil 1: Begriffe, Anforderungen und PrüfverfahrenTa slovenski standard je istoveten z:EN 1036-1:2007SIST EN 1036-1:2008en,fr,de81.040.20ICS:SIST EN 1036:19991DGRPHãþDSLOVENSKI

STANDARDSIST EN 1036-1:200801-maj-2008

EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 1036-1December 2007ICS 81.040.20Supersedes EN 1036:1999

English VersionGlass in building - Mirrors from silver-coated float glass forinternal use - Part 1: Definitions, requirements and test methodsVerre dans la construction - Miroirs en glace argentée pourl'intérieur - Partie 1: Définitions, exigences et méthodesd'essaiGlas im Bauwesen - Spiegel aus silberbeschichtetemFloatglas für den Innenbereich - Teil 1: Begriffe,Anforderungen und PrüfverfahrenThis European Standard was approved by CEN on 12 November 2007.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 CEN Management Centre 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 CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, 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© 2007 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 1036-1:2007: E

EN 1036-1:2007 (E) 2 Contents Page Foreword..............................................................................................................................................................4 1 Scope......................................................................................................................................................5 2 Normative references............................................................................................................................5 3 Terms and definitions...........................................................................................................................5 4 Materials.................................................................................................................................................7 4.1 Glass products.......................................................................................................................................7 4.2 Reflective coating..................................................................................................................................7 4.3 Protective coating(s).............................................................................................................................7 5 Dimensional requirements....................................................................................................................7 5.1 Thickness...............................................................................................................................................7 5.2 Length, width and squareness.............................................................................................................8 5.2.1 Stock/standard sizes.............................................................................................................................8 5.2.2 As-cut finished sizes.............................................................................................................................8 6 Reflection characteristics of silvered mirrors....................................................................................9 6.1 Measurement..........................................................................................................................................9 6.2 Silvered mirrors made from clear float glass.....................................................................................9 6.3 Silvered mirrors made from tinted float glass....................................................................................9 7 Quality requirements.............................................................................................................................9 7.1 General....................................................................................................................................................9 7.2 Quality assessment and inspection methods for silvered mirrors..................................................9 7.2.1 Glass, reflective coating, edge and protective coating quality.........................................................9 7.2.2 Optical quality......................................................................................................................................10 7.3 Acceptance levels................................................................................................................................10 7.3.1 Glass faults...........................................................................................................................................10 7.3.2 Reflective silver coating faults...........................................................................................................10 7.3.3 Edge faults............................................................................................................................................10 7.3.4 Protective coating(s) faults.................................................................................................................11 7.3.5 Optical fault..........................................................................................................................................12 8 Testing of silvered mirror...................................................................................................................13 8.1 Durability..............................................................................................................................................13 8.1.1 General..................................................................................................................................................13 8.1.2 Test specimens....................................................................................................................................13 8.1.3 Position of specimens.........................................................................................................................13 8.1.4 Evaluation.............................................................................................................................................13 8.1.5 Acceptance criteria..............................................................................................................................13 8.2 Protective coating(s) adhesion..........................................................................................................14 Annex A

(normative)

Condensation water test in constant atmosphere...................................................22 A.1 General..................................................................................................................................................22 A.2 Test conditions....................................................................................................................................22 A.3 Climatic testing device........................................................................................................................22 A.3.1 Climatic chamber.................................................................................................................................22 A.3.2 Installation of the climatic chamber...................................................................................................23 A.3.3 Device for the accommodation of the specimens (specimen holder)............................................23 A.4 Procedure.............................................................................................................................................23 A.4.1 Filling the floor trough........................................................................................................................23 A.4.2 Specimens............................................................................................................................................23 A.4.3 Arrangement of the specimens..........................................................................................................23

EN 1036-1:2007 (E) 3 A.4.4 Test sequence......................................................................................................................................24 A.4.5 End of test............................................................................................................................................24 A.4.6 Interruption..........................................................................................................................................24 A.4.7 Cleaning procedure.............................................................................................................................24 A.5 Test report............................................................................................................................................24 Annex B (informative)

Fixing and cleaning of mirrors..................................................................................26 B.1 General.................................................................................................................................................26 B.2 Factors affecting durability................................................................................................................26 B.3 Factors affecting image distortion....................................................................................................27 Bibliography......................................................................................................................................................28

EN 1036-1:2007 (E) 4 Foreword This document (EN 1036-1:2007) has been prepared by Technical Committee CEN/TC 129 “Glass in building”, the secretariat of which is held by NBN. 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 June 2008, and conflicting national standards shall be withdrawn at the latest by June 2008. This document supersedes EN 1036:1999. EN 1036 Glass in building — Mirrors from silver-coated float glass for internal use consists of the following parts: Part 1: Definition, requirements and test methods Part 2: Evaluation of conformity; product standard According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, 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 the United Kingdom.

EN 1036-1:2007 (E) 5 1 Scope This European Standard specifies minimum quality requirements (in respect of optical, visual and edge faults) and durability tests for mirrors from silvered float glass for internal use in building. This European Standard applies only to mirrors from silvered glass manufactured from flat annealed clear or tinted float glass, 2 mm to 10 mm thickness, and supplied in stock/standard sizes and as-cut finished sizes. This European Standard does not apply to mirrors from silvered glass manufactured from any basic glass other than float glass, any processed glass, i.e. thermally toughened safety glass, heat strengthened glass, chemically strengthened glass and laminated glass, and any bent glass. For mirrors from silvered glass used in aggressive and/or constantly high humidity atmospheres, e.g. horse riding halls, swimming pools, medical baths, saunas etc. this European Standard is not applicable. This European Standard is not applicable to reflective glass for external glazing applications. This European Standard does not apply to framing, fixing or other support systems. NOTE

Useful advice on these items is contained in the informative Annex B. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 410, Glass in building — Determination of luminous and solar characteristics of glazing EN 572-2, Glass in building — Basic soda lime silicate glass products — Part 2: Float glass EN ISO 2409, Paints and varnishes - Cross-cut test (ISO 2409:2007) EN ISO 9227, Corrosion tests in artificial atmospheres — Salt spray tests (ISO 9227:2006) 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 float glass flat, transparent, clear or tinted soda-lime silicate glass having parallel and polished faces obtained by continuous casting and flotation on a metal bath (see EN 572-1 and EN 572-2) 3.2 mirror from silver-coated float glass flat annealed clear or tinted float glass whose rear surface has been coated with a protected reflective silver deposit 3.3 copper-free mirror from silver-coated float glass flat annealed clear or tinted float glass whose rear surface has been coated with a protected reflective silver deposit without use of copper

EN 1036-1:2007 (E) 6 3.4 stock/standard sizes panes of mirrors from silver-coated float glass supplied with as-cut edges which are intended for further processing NOTE For dimensions of jumbo sizes and split sizes see EN 572-2. 3.5 as-cut finished sizes finished panes of mirrors from silver-coated float glass cut from stock/standard sizes NOTE They can be subject to further processing, e.g. edge working, drilling, face decoration. 3.6 optical faults faults directly associated with the distortion of the reflected image 3.7 glass appearance faults faults which alter the visual quality of the mirror from silver-coated float glass. They can be spot and/or linear and/or enlarged area faults 3.8 spot faults nuclei (solid or gaseous inclusions), deposits, crush marks etc. In certain instances spot faults are accompanied by a distortion zone called ‘halo’. The nucleus of the spot fault is measurable 3.9 linear defects scratches, extended spot faults etc. 3.10 brush marks very fine circular scratches that can hardly be seen and are associated with glass cleaning techniques 3.11 scratches any kind of scratches that are not brush marks 3.12 reflective silver coating faults faults in the reflective silver layer which will alter the appearance of the silvered glass. They consist of scratches, stain, colour spots and edge deterioration 3.13 stain alteration of the reflective coating characterized by a more or less brownish, yellowish or greyish colouration of zones which can sometimes cover the whole reflective surface 3.14 colour spots alteration of the reflective coating in the form of small, generally coloured spots 3.15 edge deterioration discolouration of the reflective silver at the edge of the silvered glass

EN 1036-1:2007 (E) 7 3.16 protective coating(s) faults faults where the metallic layer is exposed. They can be scratches or loss of adhesion of the protective coating(s) 3.17 edge faults faults that affect the as-cut edge of the silvered glass. They can include entrant/emergent faults, shelling, corners on/off and vents 3.18 pack area total surface area of the contents of a pack 3.19 cluster group of not less than 3 spot faults, separated by not more than 50 mm 3.20 halo distortion zone around a spot fault (see 3.8) 4 Materials 4.1 Glass products Mirror from silver-coated float glass, according to this European Standard, shall be manufactured from monolithic float glass conforming to EN 572-2. 4.2 Reflective coating In order to provide the quality of a silvered mirror reflection, the mirror shall be manufactured with at least

0,7 g/m² of silver. 4.3 Protective coating(s) The reflective coating described in 4.2 shall be protected by a layer of metallic copper or another material and one or more protective coatings e.g. paint, lacquer. 5 Dimensional requirements 5.1 Thickness The actual thickness shall be the average of four measurements, taken to the nearest 0,01 mm, one taken at the centre of each side. Measurement shall be by means of an instrument of the calliper micrometer type. The actual thickness, rounded to the nearest 0,1 mm shall not vary from the nominal thickness by more than the tolerances shown in Table 1.

EN 1036-1:2007 (E) 8 Table 1 — Thickness and tolerances Nominal thickness (mm) Thickness tolerances (mm) 2 3 4 5 6 8 10 ± 0,2 ± 0,2 ± 0,2 ± 0,2 ± 0,2 ± 0,3 ± 0,3

5.2 Length, width and squareness 5.2.1 Stock/standard sizes Length, H, and width, B, are defined with reference to the direction of draw of the float glass ribbon as shown in Figure 1. The nominal dimensions for length, H, and width, B, being given, the pane shall not be larger than a prescribed rectangle resulting from the nominal dimensions increased by the tolerance, nor smaller than a rectangle defined by their nominal dimensions reduced by the tolerance.. The sides of the prescribed rectangles shall be parallel to one another and these rectangles shall have a common centre. For stock/standard sizes the tolerances on nominal dimensions length, H, and width, B, are ± 5 mm. The limits of squareness shall also be described by these rectangles (see Figure 2). 5.2.2 As-cut finished sizes For dimensions less than or equal to 2 000 mm, the standard tolerance range is 2 mm, to be stated as ± 1 mm of the nominal dimension. For dimensions greater than 2 000 mm, the standard tolerance range is 3 mm to be stated as ± 1,5 mm of the nominal value. The standard tolerance range to be applied shall be determined by the largest dimension of the pane. The squareness tolerance shall be expressed as the difference in length between the diagonal dimensions of the pane. For plates with both dimensions less than or equal to 2 000 mm the difference shall not exceed 3 mm. For plates with one (or both) dimensions greater than 2 000 mm the difference shall not exceed 4 mm. NOTE The method of determining squareness tolerance is different from that applied to standard or stock sizes or in standards for other types of glass products.

EN 1036-1:2007 (E) 9 6 Reflection characteristics of silvered mirrors 6.1 Measurement Measurement of reflectance shall be undertaken in accordance with the principle of EN 410, but with the angle of incidence of the light within 8° of normal. Illuminant will be D65 and observer 2. 6.2 Silvered mirrors made from clear float glass The regular luminous coefficient of silvered mirrors made from clear float glass shall be at least: - 86 % for float with a thickness between 2 mm and 6 mm; - 83 % for float with a thickness of 8 mm and 10 mm. 6.3 Silvered mirrors made from tinted float glass Silvered mirrors made from tinted float glass have a reflectance lower than those made from clear glass. 7 Quality requirements 7.1 General The quality of a silvered mirror can be affected by faults, which alter the appearance of the image of reflected objects. Such alteration of the image can result from optical faults, faults in the glass and faults in the reflective coating. 7.2 Quality assessment and inspection methods for silvered mirrors 7.2.1 Glass, reflective coating, edge and protective coating quality 7.2.1.1 Inspection method The silvered mirror shall be observed in a vertical position, with the naked eye and under normal diffused lighting conditions, (natural daylight o

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