SIST EN 12337-2:2005
(Main)Glass in building - Chemically strengthened soda lime silicate glass - Part 2: Evaluation of conformity/Product standard
Glass in building - Chemically strengthened soda lime silicate glass - Part 2: Evaluation of conformity/Product standard
This document covers the evaluation of conformity and the factory production control of flat chemically strengthened soda lime silicate glass for use in buildings.
Note: For glass products with electrical wiring or connections for, e.g. alarm or heating purposes, other directives, e.g. Low Voltage Directive, may apply.
Glas im Bauwesen - Chemisch vorgespanntes Kalknatronglas - Teil 2: Konformitätsbewertung/Produktnorm
Diese Europäische Norm umfasst die Konformitätsbewertung und die werkseigene Produktionskontrolle von flachem, chemisch vorgespanntem Kalk-Natronsilicatglas zur Anwendung im Bauwesen.
ANMERKUNG Für Glaserzeugnisse mit elektrischer Verkabelung oder Anschlüssen, wie z. B. Alarm- oder Heizungsanwendungen, können andere Richtlinien, z. B. die Niedrigspannungsrichtlinie, gelten.
Verre dans la construction - Verre de silicate sodo-calcique trempé chimiquement - Partie 2: Evaluation de la conformité
La présente Norme européenne couvre l'évaluation de la conformité et le contrôle de la production en usine du verre de silicate sodo-calcique plan trempé chimiquement utilisé dans la construction.
NOTE Pour les produits verriers équipés d'un câblage ou de branchements électriques pour les besoins d'alarme ou de chauffage par exemple, d'autres directives comme par exemple la Directive sur les Courants Faibles peuvent s'appliquer.
Steklo v stavbah - Kemično utrjeno natrij-kalcijevo silikatno steklo - 2. del: Ovrednotenje skladnosti/standard za izdelek
General Information
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Glass in building - Chemically strengthened soda lime silicate glass - Part 2: Evaluation of conformity/Product standardVerre dans la construction - Verre de silicate sodo-calcique trempé chimiquement - Partie 2: Evaluation de la conformitéGlas im Bauwesen - Chemisch vorgespanntes Kalknatronglas - Teil 2: Konformitätsbewertung/Produktnorm81.040.20Steklo v gradbeništvuGlass in buildingICS:SIST EN 12337-2:2005enTa slovenski standard je istoveten z:EN 12337-2:200401-marec-2005SIST EN 12337-2:2005SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 12337-2October 2004ICS 81.040.20English versionGlass in building - Chemically strengthened soda lime silicateglass - Part 2: Evaluation of conformity/Product standardVerre dans la construction - Verre de silicate sodo-calciquetrempé chimiquement - Partie 2: Evaluation de laconformitéGlas im Bauwesen - Chemisch vorgespanntesKalknatronglas - Teil 2:Konformitätsbewertung/ProduktnormThis European Standard was approved by CEN on 27 May 2004.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 Central Secretariat 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 Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, 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© 2004 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 12337-2:2004: E
EN 12337-2:2004 (E) 2 Contents Page Foreword.4 1 Scope.5 2 Normative references.5 3 Terms and definitions.6 4 Requirements.6 4.1 Product description.6 4.2 Conformity with the definition of chemically strengthened soda lime silicate glass.6 4.3 Determination of the characteristic’s performances.7 4.3.1 Characteristics of chemically strengthened soda lime silicate safety glass.7 4.3.2 Determination of characteristics of chemically strengthened soda lime silicate glass products.8 4.4 Durability.10 4.5 Dangerous substances.11 5 Evaluation of conformity.11 5.1 Genera.11 5.2 Initial type testing of the product (see 5.1, 2).11 5.2.1 General.11 5.2.2 Initial type testing of chemically strengthened soda lime silicate glass.12 5.2.3 Initial type testing of characteristic’s performances.14 5.3 Factory production control and inspection of samples in accordance with a prescribed test plan (see 5.1, 1a and b).14 5.4 Initial inspection of factory and of factory production control (see 5.1, 1c).15 5.5 Continuous surveillance and assessment of the factory production control (see 5.1, 1c).16 6 Marking and/or labelling.17 6.1 General.17 6.2 Product marking.17 6.3 Product characteristics.17 6.4 “Characteristics/performance identification paper”.17 Annex A (normative)
Factory production control.18 A.1 Factory Production Control Requirements.18 A.1.1 General.18 A.1.2 Organisation.18 A.1.3 Control system.18 A.2 Marking.19 A.3 Inspection and testing tables of chemically strengthened soda lime silicate glass production.20 A.3.1 Information on Table A.1.20 A.3.2 Use of proxy testing.20 Annex B (informative)
Test methods for factory production control – Strength measurement.23 B.1 Four point bending strength test.23 B.1.1 Requirements.23
EN 12337-2:2004 (E) 3
B.1.2 Measurement method.23 B.1.3 Test specimens.23 B.2 Alternative mechanical strength test methods.23 B.2.1 Three point bending strength test.23 B.2.2 Concentric bending ring strength test.25 Annex C (informative)
Provisions for voluntary involvement of third party(ies).26 C.1 General.26 C.2 Voluntary tasks for third parties.26 C.3 Marking and labelling.26 Annex ZA (informative)
Clauses of this European Standard addressing the provisions of EU Construction Products Directive.27 ZA.1 Scope and relevant characteristics.27 ZA.2 Procedure(s) for the attestation of conformity of chemically strengthened soda lime silicate glass products.29 ZA.2.1 System(s) of attestation of conformity.29 ZA.2.2 EC Certificate and Declaration of conformity.31 ZA.3 CE marking and labelling.33 Bibliography.35
EN 12337-2:2004 (E) 4 Foreword This document (EN 12337-2:2004) has been prepared by Technical Committee CEN/TC TC 129 “Glass in building”, the secretariat of which is held by IBN. 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 April 2005, and conflicting national standards shall be withdrawn at the latest by July 2006. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this document. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
No existing document is superseded This part of the document does not stand-alone; it is a part of one document: EN 12337-1: Glass in building – Chemically strengthened soda lime silicate glass – Part 1: Definition and description EN 12337-2: Glass in building - Chemically strengthened soda lime silicate glass – Part 2: Evaluation of conformity/Product standard
This document contains other aspects of importance of trade.
EN 12337-2:2004 (E) 5
1 Scope This document covers the evaluation of conformity and the factory production control of flat chemically strengthened soda lime silicate glass for use in buildings.
Note: For glass products with electrical wiring or connections for, e.g. alarm or heating purposes, other directives, e.g. Low Voltage Directive, may apply.
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 356, Glass in building - Security glazing - Testing and classification of resistance against manual attack EN 410, Glass in building - Determination of luminous and solar characteristics of glazing EN 572 – 1, Glass in building - Basic soda lime silicate glass products – Part 1: Definition and general physical and mechanical properties EN 572 – 2, Glass in building - Basic soda lime silicate glass products – Part 2: -Float glass EN 572 – 4, Glass in building - Basic soda lime silicate glass products –Part 4: Drawn sheet glass EN 572 – 5, Glass in building - Basic soda lime silicate glass products – Part 5: Patterned glass EN 673, Glass in building – Determination of thermal transmittance (U value) – Calculation method EN 1063, Glass in building - Security glazing - Testing and classification of resistance against bullet attack EN 12337-1:2000, Glass in building – Chemically strengthened soda lime silicate glass – Part 1: Definition and description EN 12600, Glass in building - Pendulum test - Impact test method and classification for flat glass
EN 12758, Glass in building - Glazing and airborne sound insulation – Product descriptions and determination of properties
EN 12898, Glass in building - Determination of the emissivity prEN 13474, Glass in building - Design of glass panes EN 13501-1, Fire classification of construction products and building elements – Part 1: Classification using test data from reaction to fire tests EN 13501-2, Fire classification of construction products and building elements - Part 2: Classification using data from fire resistance tests, excluding ventilation services prEN 13501-5, Fire classification of construction products and building elements - Part 5: Classification using test data from external fire exposure to roof tests EN 13541, Glass in building - Security glazing - Testing and classification of resistance against explosion pressure
EN 12337-2:2004 (E) 6 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 12337-1:2000 and the following apply. 3.1
initial type testing determination of the performance of a product (characteristic, durability), on the basis of either actual tests or other procedures (such as conventional, standardised, tabulated or general accepted values, standardised or recognised calculation methods, test reports when made available, …), in accordance with this document that demonstrates compliance with this document 3.2
test report document that covers the results of tests undertaken on a representative sample of the product from production or on a prototype design of the product 3.3 product description document that details the relevant parameters, e.g. process conditions, structure, etc., for defining a product that complies with the standard. It includes specific reference(s) to characteristics that are modified by the production process 3.4 significant change variation in performance beyond the permitted tolerance for the characteristic 4 Requirements 4.1 Product description For conformity purposes the chemically strengthened glass manufacturer is responsible for the preparation and maintenance of the product description. This description shall describe the product and/or product families. Disclosure of the product description shall be at the discretion of the chemically strengthened glass manufacturer or his agent except in the case of regulatory requirements. The description shall contain at least a normative part. The description may also contain an informative part, when the manufacturer foresees further development of the product. The normative part of the description shall contain the following minimum information: - a reference to EN 12337 parts 1 and 2 and all other standards with which the manufacturer claims compliance. The definition of product families shall be consistent with the normative part of the product description. The substitution of materials shall maintain the conformity with the product description. The substituting material can be added to the product family and also the product description when compliance has been demonstrated . 4.2 Conformity with the definition of chemically strengthened soda lime silicate glass Products shall conform to the definition and fulfill the requirements of chemically strengthened soda lime silicate glass as defined in EN 12337-1
EN 12337-2:2004 (E) 7
4.3 Determination of the characteristic’s performances
4.3.1 Characteristics of chemically strengthened soda lime silicate safety glass 4.3.1.1 General The characteristics of chemically strengthened soda lime silicate safety glass are in general those of the glass substrate ( see 4.3.1.2). 4.3.1.2 Characteristics of the soda lime silicate glass panes used for the production of chemically strengthened soda lime silicate glass Panes shall be made of soda lime silicate glass according to EN 572-1, EN 572-2, EN 572-4, EN 572-5.
For the characteristics listed in Table 1, for the soda lime silicate glass panes, generally accepted values or calculated values may be used.
Since the majority of the characteristics of Table 1 are not changed significantly by the chemical strengthening process they shall be used for chemically strengthened soda lime silicate glass. The exceptions being the characteristic bending strength (fg,k) and the resistance against sudden temperature changes and temperature differentials.
EN 12337-2:2004 (E) 8 Table 1: Information on the characteristics of soda lime silicate glass panes, according to EN 572-1, used for the production of chemically strengthened soda lime silicate glass
Characteristic
Symbol
Unit
- density - hardness - Young's modulus - Poisson's ratio - Characteristic bending strength - Resistance against sudden temperature changes and temperature differentials
- Specific heat capacity - Coefficient of linear expansion - Thermal conductivity (for U-value) - Mean refractive index to visible radiation - Emissivity - Light transmittance - Solar direct transmittance - Total energy transmittance
ρ HK0,1/20 E µ fg,k
c α λ n ε τv τe g
kg/m³ GPa Pa Dimensionless Pa K
J/(kg.K) K-1 W/(m.K) Dimensionless Dimensionless Dimensionless Dimensionless Dimensionless
4.3.2 Determination of characteristics of chemically strengthened soda lime silicate glass products
If the chemically strengthened glass manufacturer wishes to claim that any performance characteristic is independent of the production equipment used then the factory production control system shall be in accordance with this document including his specific process control conditions 4.3.2.1 Safety in the case of fire - Resistance to fire Fire resistance shall be determined and classified in accordance with EN 13501-2. Note: EN 357 may be used as a classification reference specific to fire resistant glazed elements. 4.3.2.2 Safety in the case of fire - Reaction to fire Reaction to fire shall be determined and classified in accordance with EN 13501-1. Chemically strengthened soda lime silicate glass products are products/materials that do not require to be tested for reaction to fire (e.g. Products/materials of Classes A1* according to Commission Decision 96/603/EC, as amended 2000/605/EC)
EN 12337-2:2004 (E) 9
4.3.2.3 Safety in the case of fire - External fire behaviour Where the manufacturer wishes to declare external fire performance (e.g. when subject to regulatory requirements), the product shall be tested and classified in accordance with prEN 13501-5. Note: Compliance with this requirement is not possible until a version of prEN 13501-5 later than 2002 becomes available. 4.3.2.4 Safety in use - Bullet resistance: shatter properties and resistance to attack Bullet resistance shall be determined and classified in accordance with EN 1063 4.3.2.5 Safety in use - Explosion resistance: impact behaviour and resistance to impact Explosion resistance shall be determined and classified in accordance with EN 13541. 4.3.2.6 Safety in use - Burglar resistance: shatter properties and resistance to attack Burglar resistance shall be determined and classified in accordance with EN 356. 4.3.2.7 Safety in use - Pendulum body impact resistance: shatter properties (safe breakablity) and resistance to impact Pendulum body impact resistance shall be determined and classified in accordance with EN 12600. 4.3.2.8 Safety in use - Mechanical resistance: Resistance against sudden temperature changes and temperature differentials The resistance against sudden temperature changes and temperature differentials is a generally accepted value that is given in EN 12337-1 and shall be ensured by compliance with this document. 4.3.2.9 Safety in use - Mechanical resistance: Resistance against wind, snow, permanent load and/or imposed loads of the glass unit The mechanical resistance of chemically strengthened soda lime silicate glass is a characteristic value that is given in EN 12337-1 and shall be ensured by compliance with this document. As long as on the concerned construction or building site no part of prEN 13474 is applicable then the current method of determining mechanical resistance in the country of destination shall be applied.
The manufactured or supplied thickness of chemically strengthened soda lime silicate glass shall conform to the ordered thickness. 4.3.2.10 Protection against noise - Direct airborne sound reduction The sound reduction indexes shall be determined in accordance with EN 12758. However, the information supplied with the incoming glass may be used as the chemical strengthening process does not alter the values. 4.3.2.11 Energy conservation and heat retention - Thermal properties The thermal transmittance value (U-value) shall be determined by calculation in accordance with EN 673 with: emissivity ε : the declared value of the glass manufacturer. If the information is not available, the emissivity shall be determined in accordance with EN 12898.
EN 12337-2:2004 (E) 10 nominal thickness of the glass panes Subject to 5.2.1 the information supplied about the thermal properties of the incoming glass may be used if the chemical strengthening process does not alter the values. 4.3.2.12 Energy conservation and heat retention - Radiation properties: Light transmittance and reflectance The light transmittance and reflectance shall be determined in accordance with EN 410. Subject to 5.2.1 the information supplied about the radiation properties of the incoming glass may be used if the chemical strengthening process does not alter the values. 4.3.2.13 Energy conservation and heat retention - Radiation properties: Solar energy characteristics The solar energy transmittance and reflectance shall be determined in accordance with EN 410. Subject to 5.2.1 the information supplied about the radiation properties of the incoming glass may be used if the chemical strengthening process does not alter the values. 4.4 Durability When products conform to the definition of chemically strengthened soda lime silicate glass as 4.2 then the characteristics’ performances in 4.3.2 are ensured during an economically reasonable working life. The durability of glass products, including their characteristics, shall be ensured by the following: Compliance with this document Compliance with instructions from the glass product manufacturer or supplier
The manufacturer shall supply specific installation instructions or make reference to appropriate
Note : The durability of glass products depends on:
building and construction movements due to various actions; building and construction vibrations due to various actions; deflection and racking of the glass support due to various actions; glass support design (e.g. drainage of infiltrated water in the rebate, prevention of direct contact between glass support members and glass); accuracy of glass support and glass support member dimensions; quality of the assembling of glass support members up to a glass support; quality of installation of the glass support into or onto the buildings or constructions; glass support expansion due to adsorbed moisture from the air or other sources; the quality of installation of the glass product into or onto its support.
EN 12337-2:2004 (E) 11
4.5 Dangerous substances Materials used in products shall not release any dangerous substances in excess of the maximum permitted levels specified in a relevant European Standard for the material or permitted in the national regulations of the Member State of destination 5 Evaluation of conformity 5.1 Genera Evaluation of conformity in accordance with this document shall be as a result of FPC and ITT in accordance with this document 1) Factory production control;
This shall include the following:
a) Inspection of samples taken at the factory in accordance with a prescribed test plan;
b) Initial inspection of the factory and of factory production control;
c) Continuous surveillance and assessment of the factory production control. 2) Initial type testing of the product; Note: There may be a need to involve a third party, with 1b, 1c, and/or 2, for the purpose of regulatory marking (see Annex ZA). 5.2 Initial type testing of the product (see 5.1, 2) 5.2.1 General All the product’s characteristics shall be initial type tested to verify they are in conformity with the requirements of this document. In addition, instead of performing any actual testing, initial type testing may make use of: – generally accepted and/or conventional and/or standardised values, in Clause 2 referenced standards, or in publications that are referred to in these standards; – standardised calculation methods and recognised calculation methods in Clause 2 referenced standards, or in publications that are referred to in these standards; – test report(s) on the basis of 5.2.1.2 when made available except for the characteristics listed in 5.2.2. – where components are used whose characteristics have already been determined, by the component manufacturer, on the basis of conformity with other product standards, these characteristics need not be reassessed providing they remain unchanged by the manufacturing process; – release of dangerous substances may be assessed indirectly by controlling the content of the substance concerned; – durability may be assessed indirectly by controlling the production processes according to this document;
EN 12337-2:2004 (E) 12 Note 1: Products CE marked in accordance with appropriate harmonised European specifications may be presumed to have the performances stated with the CE marking. Note 2: There may be a need to involve a third party for the purpose of regulatory marking (see Annex ZA). When actual testing is required then the Initial Type Testing (ITT) shall be undertaken on a sample representative of the product taken from direct production or a prototype, any plant and/ or line. Whenever a change occurs in the raw material or the production process (subject to the definition of the family), which would change significantly one or more of the characteristics, the type tests shall be repeated for the appropriate characteristics. 5.2.1.1 Multiple lines/sites If a manufacturer operates more than one line and/or site, the following can reduce the requirement for multiple Initial Type Testing (ITT): i) The manufacturers’ technical file for a product shall specifically covers all sites and/or lines of the same manufacturer1, ii) The manufacturer shall establish a direct relationship between production control, initial type testing and on-going internal audit testing, iii) The manufacturer shall have a responsible individual designated to ensure product compliance based on: The operation of a consistent Factory Production Control system on all applicable sites and/or lines, The manufacturer having obtained evidence that shows the product to be consistent, with respect to both product characteristics and intended use characteristics, The manufacturer has in place an internal auditing scheme, including product consistency. 5.2.1.2 Historic Data Tests previously performed in accordance with the provisions of this document (same product, same characteristic(s), same or more onerous test method, sampling method and attestation of conformity) may be taken into account. 5.2.2 Initial type testing of chemically strengthened soda lime silicate glass 5.2.2.1 General To establish if a product conforms to the definition of chemically strengthened soda lime silicate glass, initial type testing shall consist of mechanical strength measurement in accordance with EN 12337-1; 5.2.2.2 Test specimens The test specimens needed for the initial type test shall be processed from float glass according to EN 572-1 and EN 572-2 in accordance with this document.
1 The terms ‘manufacturer’ and ‘producer’ are understood as being synonyms (see CPD working document NB-CPD/02/019-issued 24 April 2002 – page1)
EN 12337-2:2004 (E) 13
The ‘simples
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