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BS EN 15457:2014
BSI Standards Publication
Paints and varnishes —
Laboratory method for
testing the efficacy of film
preservatives in a coating
against fungi
BS EN 15457:2014
BRITISH STANDARD
National foreword
This British Standard is the UK implementation of EN 15457:2014. It
supersedes BS EN 15457:2007 which is withdrawn.
The UK participation in its preparation was entrusted to Technical
Committee STI/28, Paint systems for non-metallic substrates.
A list of organizations represented on this committee can be
obtained on request to its secretary.
This publication does not purport to include all the necessary
provisions of a contract. Users are responsible for its correct
application.
© The British Standards Institution 2014. Published by BSI Standards
Limited 2014
ISBN 978 0 580 84804 9
ICS 87.040
Compliance with a British Standard cannot confer immunity from
legal obligations.
This British Standard was published under the authority of the
Standards Policy and Strategy Committee on 31 August 2014.
Amendments issued since publication
Date
Text affected
BS EN 15457:2014
EUROPEAN STANDARD
NORME EUROPÉENNE
EUROPÄISCHE NORM
ICS 87.040
EN 15457
August 2014
Supersedes EN 15457:2007
English Version
Paints and varnishes - Laboratory method for testing the efficacy
of film preservatives in a coating against fungi
Peintures et vernis - Méthode d'essai en laboratoire
permettant de déterminer l'efficacité des préservateurs du
feuil d'un revêtement contre les champignons
Beschichtungsstoffe - Laborverfahren für die Prüfung der
Wirksamkeit von Filmkonservierungsmitteln in einer
Beschichtung gegen Pilze
This European Standard was approved by CEN on 10 July 2014.
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. Up-to-date lists and bibliographical references concerning such national
standards may be obtained on application to the CEN-CENELEC 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 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, Former Yugoslav Republic of Macedonia, 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.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2014 CEN
All rights of exploitation in any form and by any means reserved
worldwide for CEN national Members.
Ref. No. EN 15457:2014 E
BS EN 15457:2014
EN 15457:2014 (E)
Contents
Page
Foreword ..............................................................................................................................................................3
Introduction .........................................................................................................................................................4
1
2
3
4
5
6
6.1
6.2
7
7.1
7.2
7.3
7.4
8
8.1
8.2
8.3
8.4
8.5
9
Scope ......................................................................................................................................................5
Normative references ............................................................................................................................5
Terms and definitions ...........................................................................................................................5
Principle ..................................................................................................................................................5
Apparatus and materials .......................................................................................................................6
Fungi .......................................................................................................................................................6
Fungi more likely to grow in an exterior environment .......................................................................6
Fungi more likely to grow in an interior environment........................................................................7
Sampling and preparation of test samples and of specimens .........................................................7
Sampling .................................................................................................................................................7
Preparation of test samples (see Annex A) ........................................................................................7
Conditioning of the test samples .........................................................................................................7
Preparation and number of specimens ...............................................................................................7
Procedure ...............................................................................................................................................8
Preparation of the Petri dishes with the culture medium ..................................................................8
Preparation of stock cultures and sub-cultures .................................................................................8
Preparation of the spore suspension ..................................................................................................8
Inoculation and incubation (see Annex A) ..........................................................................................8
Assessment ............................................................................................................................................8
Test report ..............................................................................................................................................9
Annex A (informative) Laboratory method for testing the efficacy of film preservatives in a
coating against fungi .......................................................................................................................... 10
Annex B (informative) Designation of the percentage area of disfigurements according to
EN 16492:2014, Table A.3 ................................................................................................................... 11
Bibliography ..................................................................................................................................................... 12
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BS EN 15457:2014
EN 15457:2014 (E)
Foreword
This document (EN 15457:2014) has been prepared by Technical Committee CEN/TC 139 “Paints and
varnishes”, the secretariat of which is held by DIN.
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 February 2015 and conflicting national standards shall be withdrawn
at the latest by February 2015.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 15457:2007.
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, Croatia, Cyprus, Czech
Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece,
Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,
Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.
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