prEN 15682-2

SLOVENSKI STANDARD
oSIST prEN 15682-2:2012
01-oktober-2012
Steklo v gradbeništvu - HS-preskus kaljenega zemljoalkalijskega silikatnega
varnostnega stekla - 2. del: Vrednotenje skladnosti/standard za izdelek
Glass in building - Heat soaked thermally toughened alkaline earth silicate safety glass -
Part 2: Evaluation of conformity/Product standard
Glas im Bauwesen - Heißgelagertes thermisch vorgespanntes Erdalkali-Silicat-
Einscheibensicherheitsglas - Teil 2: Konformitätsbewertung/Produktnorm
Verre dans la construction - Verre de silicate alcalinoterreux de sécurité trempé et traité
Heat Soak - Partie 2: Évaluation de la conformité/Norme de produit
Ta slovenski standard je istoveten z: prEN 15682-2
ICS:
81.040.20 Steklo v gradbeništvu Glass in building
oSIST prEN 15682-2:2012 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN 15682-2:2012

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oSIST prEN 15682-2:2012


EUROPEAN STANDARD
DRAFT
prEN 15682-2
NORME EUROPÉENNE

EUROPÄISCHE NORM

June 2012
ICS 81.040.20
English Version
Glass in building - Heat soaked thermally toughened alkaline
earth silicate safety glass - Part 2: Evaluation of
conformity/Product standard
Verre dans la construction - Verre de silicate alcalinoterreux Glas im Bauwesen - Heißgelagertes thermisch
de sécurité trempé et traité Heat Soak - Partie 2: Évaluation
vorgespanntes Erdalkali-Silicat-Einscheibensicherheitsglas
de la conformité/Norme de produit - Teil 2: Konformitätsbewertung/Produktnorm
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee CEN/TC 129.

If this draft becomes a European Standard, CEN members are bound to comply with the CEN/CENELEC Internal Regulations which
stipulate the conditions for giving this European Standard the status of a national standard without any alteration.

This draft European Standard was established by CEN in three official versions (English, French, German). A version in any other language
made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, 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, Turkey and United Kingdom.

Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are aware and to
provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and
shall not be referred to as a European Standard.


EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2012 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 15682-2:2012: E
worldwide for CEN national Members.

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oSIST prEN 15682-2:2012
prEN 15682-2:2012 (E)
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 heat soaked thermally toughened alkaline earth silicate
safety glass .7
4.3 Determination of the characteristic’s performances .7
4.3.1 Characteristics of heat soaked thermally toughened alkaline earth silicate safety glass .7
4.3.2 Determination of characteristics of heat soaked thermally toughened alkaline earth
silicate safety glass products .8
4.4 Durability . 10
4.5 Dangerous substances . 11
5 Evaluation of conformity . 11
5.1 General . 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 heat soaked thermally toughened alkaline earth silicate safety 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, 1) a)) . 14
5.4 Initial inspection of factory and of factory production control (see 5.1, 1) b)) . 15
5.5 Continuous surveillance and assessment of the factory production control (see 5.1, 1) c)) . 15
6 Marking and/or labelling . 16
6.1 General . 16
6.2 Product marking . 16
6.3 Product characteristics . 16
6.4 “Characteristics/performance identification paper” . 16
Annex A (normative) Factory production control . 17
A.1 Factory Production Control requirements . 17
A.1.1 General . 17
A.1.2 Organisation . 17
A.1.3 Control system . 17
A.2 Marking . 18
A.3 Inspection and testing tables of heat soaked thermally toughened alkaline earth silicate
safety glass production . 18
A.3.1 Information on Table A.1 . 18
A.3.2 Production control . 19
A.3.3 Product control . 19
A.3.4 Use of proxy testing . 19
Annex B (normative)  Tests for factory production control . 23
B.1 Strength measurement . 23
B.1.1 Four point bending strength test . 23
B.1.2 Optical surface pre-stress measurement . 23
B.2 Fragmentation test. 24
B.2.1 Requirements . 24
B.2.2 Test method . 24
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Annex C (informative) Provisions for voluntary involvement of third party(ies) . 25
C.1 General . 25
C.2 Voluntary tasks for third parties . 25
C.3 Marking and labelling . 25
Annex ZA (informative) Clauses of this European Standard addressing the provisions of
EU Construction Products Directive . 26
ZA.1 Scope and relevant characteristics . 26
ZA.2 Procedure(s) for the attestation of conformity of heat soaked thermally toughened
alkaline earth silicate safety glass products . 28
ZA.2.1 System(s) of attestation of conformity. 28
ZA.2.2 EC Certificate and Declaration of conformity . 30
ZA.3 CE marking and labelling . 32
Bibliography . 34

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oSIST prEN 15682-2:2012
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Foreword
This document (prEN 15682-2:2012) has been prepared by Technical Committee CEN/TC 129 “Glass in
building”, the secretariat of which is held by NBN.
This document is currently submitted to the CEN Enquiry.
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 89/106/EEC, see informative Annex ZA, which is an integral part of this
document.
EN 15682, Glass in building – Heat soaked thermally toughened alkaline earth silicate safety glass, consists
of the following parts:
 Part 1: Definition and description;
 Part 2: Evaluation of conformity/Product standard.
This European Standard contains other aspects of importance of trade.
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1 Scope
This part of EN 15682 specifies requirements, the evaluation of conformity and the factory production control
of flat heat soaked thermally toughened alkaline earth silicate safety 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 documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. 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 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 1096-1, Glass in building — Coated glass — Part 1: Definitions and classification
EN 1096-2, Glass in building — Coated glass — Part 2: Requirements and test methods for class A, B and S coatings
EN 1096-3, Glass in building — Coated glass — Part 3: Requirements and test methods for class C and D coatings
EN 1288-3, Glass in building — Determination of the bending strength of glass — Part 3: Test with specimens
supported at two points (four point bending)
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 (all parts), Glass in building — Design of glass panes
EN 13501-1, Fire classification of construction products and building elements — Part 1: Classification using
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
EN 13501-5, Fire classification of construction products and building elements — Part 5: Classification using
data from external fire exposure to roof tests
EN 13541, Glass in building — Security glazing — Testing and classification of resistance against explosion
pressure
EN 14178-1, Glass in building — Basic alkaline earth silicate glass products — Part 1: Float glass
prEN 15682-1:2012, Glass in building — Heat soaked thermally toughened alkaline earth silicate safety
glass — Part 1: Definition and description
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3 Terms and definitions
For the purposes of this document, the terms and definitions given in prEN 15682-1:2012 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
[SOURCE: EN 14178-2:2004, 3.1]
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
[SOURCE: EN 14178-2:2004, 3.2]
3.3
product description
document that details the relevant parameters, e.g. process conditions, structure, etc., for defining a product
that complies with the document. It includes specific reference(s) to characteristics that are modified by the
production process
[SOURCE: EN 14178-2:2004, 3.3]
3.4
significant change
variation in performance beyond the permitted tolerance for the characteristic
[SOURCE: EN 14178-2:2004, 3.4]
4 Requirements
4.1 Product description
For conformity purposes, the heat soaked thermally toughened alkaline earth silicate 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 heat soaked thermally toughened alkaline
earth silicate 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 prEN 15682-1 and prEN 15682-2 and all other standards with which the manufacturer
claims compliance;
 the radiometric properties and durability of coated glass, i.e. coated glass that conforms with EN 1096-1,
EN 1096-2, EN 1096-3, when those properties are changed, intentionally or unintentionally, by the
thermal toughening and heat soaking process.
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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 heat soaked thermally toughened alkaline earth
silicate safety glass
Products shall conform to the definition and fulfil the requirements of heat soaked thermally toughened
alkaline earth silicate safety glass as defined in prEN 15682-1.
4.3 Determination of the characteristic’s performances
4.3.1 Characteristics of heat soaked thermally toughened alkaline earth silicate safety glass
4.3.1.1 General
The characteristics of heat soaked thermally toughened alkaline earth silicate safety glass are in general
those of the glass substrate (see 4.3.1.2).
4.3.1.2 Characteristics of the alkaline earth silicate glass panes used for the production of heat
soaked thermally toughened alkaline earth silicate safety glass
Panes shall be made of alkaline earth silicate glass according to EN 14178-1. The panes can be coated
according to EN 1096-1, EN 1096-2, EN 1096-3 and/or enamelled according to prEN 15682-1.
For the characteristics listed in Table 1, for the alkaline earth silicate glass panes, generally accepted values
or calculated values shall be used.
Since the majority of the characteristics of Table 1 are not changed significantly by the thermal toughening
process they shall be used for heat soaked thermally toughened alkaline earth silicate safety glass. The
exceptions being the characteristic bending strength f and the resistance against sudden temperature
g,k
changes and temperature differentials.
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Table 1 — Information on the characteristics of alkaline earth silicate glass panes,
according to EN 14178-1, used for the production of
heat soaked thermally toughened alkaline earth silicate safety glass
Characteristic Symbol Unit
3
- density ρ
kg/m
- hardness (Knoop) HK
0,1/20 GPa
- Young's modulus E
Pa
- Poisson's ratio µ
Dimensionless
f
- Characteristic bending strength
g,k Pa
- Resistance against sudden temperature changes and temperature differentials
K

- Specific heat capacity
c J/(kg·K)
- Coefficient of linear expansion -1
α
K
- Thermal conductivity (for U-value)
λ
W/(m·K)
- Mean refractive index to visible radiation
n
Dimensionless
- Emissivity
ε
Dimensionless
- Light transmittance
τ
v
Dimensionless
- Solar direct transmittance
τ
Dimensionless
e
- Total energy transmittance
g Dimensionless

If some coatings, i.e. coated glass conforming with EN 1096 series, when heat soaked thermally toughened
change their radiometric properties the manufacturer shall refer to the following for the determination of the
appropriate characteristics etc.:
 4.3.2.12 for the emissivity;
 4.3.2.13 for the light transmittance and reflectance;
 4.3.2.14 for the solar energy transmittance;
 EN 1096-2 for the durability of A, B and S coatings;
 EN 1096-3 for the durability of C and D coatings.
4.3.2 Determination of characteristics of heat soaked thermally toughened alkaline earth silicate
safety glass products
4.3.2.1 General
If the heat soaked thermally toughened alkaline earth silicate 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.
4.3.2.2 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.
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4.3.2.3 Safety in the case of fire - Reaction to fire
Reaction to fire shall be determined and classified in accordance with EN 13501-1.
Heat soaked thermally toughened alkaline earth silicate safety 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).
4.3.2.4 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 in accordance with EN 13501-5.
4.3.2.5 Safety in use - Bullet resistance: shatter properties and resistance to attack
Bullet resistance shall be determined and classified in accordance with EN 1063.
4.3.2.6 Safety in use - Explosion resistance: impact behaviour and resistance to impact
Explosion resistance shall be determined and classified in accordance with EN 13541.
4.3.2.7 Safety in use - Burglar resistance: shatter properties and resistance to attack
Burglar resistance shall be determined and classified in accordance with EN 356.
4.3.2.8 Safety in use - Pendulum body impact resistance: shatter properties (safe breakability) and
resistance to impact
Pendulum body impact resistance shall be determined and classified in accordance with EN 12600.
4.3.2.9 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 prEN 15682-1 and shall be ensured by compliance with this document.
4.3.2.10 Safety in use - Mechanical resistance: Resistance against wind, snow, permanent load
and/or imposed loads of the glass unit
The mechanical strength of heat soaked thermally toughened alkaline earth silicate safety glass is a
characteristic value that is given in prEN 15682-1 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 available in the country of destination shall be applied.
The manufactured or supplied thickness of heat soaked thermally toughened alkaline earth silicate safety
glass shall conform to the ordered thickness.
4.3.2.11 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 can be used as the thermal toughening and heat soaking process does not
alter the values.
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4.3.2.12 Energy conservation and heat retention - Thermal properties
The thermal transmittance value (U-value) shall be determined by calculation in accordance with EN 673 with
the following:
 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;
 nominal thickness of the glass panes.
However, the information supplied about the thermal properties of the incoming glass can be used if the
thermal toughening and heat soaking process does not alter the values.
4.3.2.13 Energy conservation and heat retention - Radiation properties: Light transmittance and
reflectance
The light transmittance and reflectance shall be determined in accordance with EN 410.
However, the information supplied about the radiation properties of the incoming glass can be used if the
thermal toughening and heat soaking process does not alter the values.
4.3.2.14 Energy conservation and heat retention - Radiation properties: Solar energy characteristics
The solar energy transmittance and reflectance shall be determined in accordance with EN 410.
However, the information supplied about the radiation properties of the incoming glass can be used if the
thermal toughening and heat soaking process does not alter the values.
4.4 Durability
When products conform to the definition of heat soaked thermally toughened alkaline earth 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, is ensured by the following:
 compliance with this European Standard;
 compliance with instructions from the glass product manufacturer or supplier.
The manufacturer shall supply specific installation instructions or make reference to appropriate technical
specifications.
NOTE Also 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,
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 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.
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 General
Evaluation of conformity in accordance with this European Standard 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 1) b), 1) c), 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
The product’s characteristics shall be initial type tested to verify they are in conformity with the requirements.
Instead of performing any actual testing, initial type testing may make use of
 generally accepted and/or conventional and/or standardised values, mentioned in the relevant standards,
or in publications that are referred to in the relevant standards,
 standardised calculation methods and recognised calculation methods mentioned in the relevant
standards, or in publications that are referred to in the relevant standards,
 test report(s) when made availab
...