BS EN 13523-18-2002.pdf

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BRITISH STANDARD
BS EN
13523-18:2002
Coil coated metals —
Test methods —
Part 18: Resistance to staining
The European Standard EN 13523-18:2002 has the status of a
British Standard
ICS 17.040.20; 25.220.60
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BS EN 13523-18:2002
National foreword
This British Standard is the official English language version of
EN 13523-18:2002.
The UK participation in its preparation was entrusted to Technical Committee
STI/27, Paint systems for metallic substrates, which has the responsibility to:
—
—
aid enquirers to understand the text;
present to the responsible international/European committee any
enquiries on the interpretation, or proposals for change, and keep the
UK interests informed;
monitor related international and European developments and
promulgate them in the UK.
—
A list of organizations represented on this committee can be obtained on
request to its secretary.
Cross-references
The British Standards which implement international or European
publications referred to in this document may be found in the
BSI Catalogue
under the section entitled “International Standards Correspondence Index”, or
by using the “Search” facility of the
BSI Electronic Catalogue
or of British
Standards Online.
This publication does not purport to include all the necessary provisions of a
contract. Users are responsible for its correct application.
Compliance with a British Standard does not of itself confer immunity
from legal obligations.
This British Standard, having
been prepared under the
direction of the Materials and
Chemicals Sector Policy and
Strategy Committee, was
published under the authority
of the Standards Policy and
Strategy Committee on
8 August 2002
Summary of pages
This document comprises a front cover, an inside front cover, the EN title page,
pages 2 to 6, an inside back cover and a back cover.
The BSI copyright date displayed in this document indicates when the
document was last issued.
Amendments issued since publication
Amd. No.
© BSI 8 August 2002
Date
Comments
ISBN 0 580 40225 8
EUROPEAN STANDARD
NORME EUROPÉENNE
EUROPÄISCHE NORM
ICS 17.040.20; 25.220.60
EN 13523-18
July 2002
English version
Coil coated metals - Test methods - Part 18: Resistance to
staining
Tôles prélaquées - Méthodes d'essai - Partie 18:
Résistance aux tâches
Bandbeschichtete Metalle - Prüfverfahren - Teil 18:
Beständigkeit gegen Fleckenbildung
This European Standard was approved by CEN on 11 April 2002.
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 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 Management Centre has the same status as the official
versions.
CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,
Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36
B-1050 Brussels
© 2002 CEN
All rights of exploitation in any form and by any means reserved
worldwide for CEN national Members.
Ref. No. EN 13523-18:2002 E
EN 13523-18:2002 (E)
Foreword
This document EN 13523-18:2002 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 January 2003, and conflicting national standards shall be withdrawn at the latest
by January 2003.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland,
France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain,
Sweden, Switzerland and the United Kingdom..
1
Scope
This Part of EN 13523 specifies test procedures for assessing the effect of chemicals on the characteristics of an
organic coating on a metallic substrate. It covers testing by using defined substances and to assess the change in
characteristics such as discoloration, change in gloss, blistering, softening, swelling and loss of adhesion.
Assessment of other phenomena may be agreed between the interested parties.
2
Normative references
This European Standard incorporates, by dated or undated reference, provisions from other publications. These
normative references are cited at the appropriate places in the text, and the publications are listed hereafter. For
dated references, subsequent amendments to or revisions of any of these publications apply to this European
Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the
publication referred to applies (including amendments).
EN 13523-0:2001,
Coil coated metals — Test methods — Part 0: General introduction and list of test methods.
EN 23270:1991,
Paints and varnishes and their raw materials — Temperatures and humidities for conditioning and
testing (ISO 3270:1984).
3
Terms and definitions
For the purposes of this Part of EN 13523, the terms and definitions given in EN 13523-0:2001 apply.
4
Principle
A coated test panel or a flat surface on a fabricated article is exposed to an individual substance for an agreed
period of time. Three different test procedures can be used, as described in 4.1 to 4.3.
4.1 Spot test (covered)
The substance is placed on the test panel and immediately covered with a watch glass.
2
EN 13523-18:2002 (E)
4.2 Spot test (open)
The substance is placed on the test panel and left open to the atmosphere.
4.3 Immersion test
The test panel is partly immersed in the substance.
5
Apparatus
Ordinary laboratory apparatus and glassware, together with the following as appropriate:
5.1 Watch glass,
of diameter 50 mm.
5.2 Pipette,
of capacity 5 ml, graduated in 0,1 ml.
5.3 Glass beaker,
of capacity 600 ml, with a suitable cover.
5.4 Hotplate,
with thermostatic control.
6
Substances
The type of substance, its composition and concentration to be used shall be agreed between the interested
parties.
NOTE
Possible substances are:
•
distilled water (cold);
•
distilled water (hot);
•
alkaline solution;
•
diluted mineral acid;
•
acetic acid;
•
soap solution;
•
detergent solution;
•
ethanol, with a volume fraction of 50 %;
•
lighter fluid and other volatile reagents;
•
fruit;
•
oil and fats - butter, margarine, lard, vegetable oils, etc.;
•
condiments - mustard, tomato puree, curry, etc.;
•
beverages - coffee, tea, cola, etc.;
•
lubricating oils and greases;
•
shoe polish;
•
lipstick;
•
marker pens;
•
other substances as agreed between the interested parties.
7
Sampling
See EN 13523-0:2001.
8
Test panels
See EN 13523-0:2001.
3

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