EN ISO 11997-1:2006
(Main)Paints and varnishes - Determination of resistance to cyclic corrosion conditions - Part 1: Wet (salt fog)/dry/humidity (ISO 11997-1:2005)
Paints and varnishes - Determination of resistance to cyclic corrosion conditions - Part 1: Wet (salt fog)/dry/humidity (ISO 11997-1:2005)
ISO 11997-1:2005 describes a method for the determination of the resistance of coatings to one of four defined cycles of wet (salt fog)/dry/humidity conditions using specified solutions.
Beschichtungsstoffe - Bestimmung der Beständigkeit bei zyklischen Korrosionsbedingungen - Teil 1: Nass (Salzsprühnebel)/trocken/Feuchte (ISO 11997-1:2005)
Peintures et vernis - Détermination de la résistance aux conditions de corrosion cyclique - Partie 1: Brouillard salin/sécheresse/humidité (ISO 11997-1:2005)
L'ISO 11997-1:2005 décrit une méthode pour la détermination de la résistance des revêtements à l'un des quatre cycles définis brouillard salin/sécheresse/humidité, au moyen de solutions spécifiques.
Barve in laki – Ugotavljanje odpornosti proti cikličnim korozijskim pogojem – 1. del: Mokro (slana megla)/suho/vlažno (ISO 11997-1:2005)
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
01-april-2006
%DUYHLQODNL±8JRWDYOMDQMHRGSRUQRVWLSURWLFLNOLþQLPNRUR]LMVNLPSRJRMHP±
GHO 0RNUR VODQDPHJOD VXKRYODåQR ,62
Paints and varnishes - Determination of resistance to cyclic corrosion conditions - Part 1:
Wet (salt fog)/dry/humidity (ISO 11997-1:2005)
Beschichtungsstoffe - Bestimmung der Beständigkeit bei zyklischen
Korrosionsbedingungen - Teil 1: Nass (Salzsprühnebel)/trocken/Feuchte (ISO 11997-
1:2005)
Peintures et vernis - Détermination de la résistance aux conditions de corrosion cyclique
- Partie 1: Brouillard salin/sécheresse/humidité (ISO 11997-1:2005)
Ta slovenski standard je istoveten z: EN ISO 11997-1:2006
ICS:
87.040 Barve in laki Paints and varnishes
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD
EN ISO 11997-1
NORME EUROPÉENNE
EUROPÄISCHE NORM
February 2006
ICS 87.040
English Version
Paints and varnishes - Determination of resistance to cyclic
corrosion conditions - Part 1: Wet (salt fog)/dry/humidity (ISO
11997-1:2005)
Peintures et vernis - Détermination de la résistance aux Beschichtungsstoffe - Bestimmung der Beständigkeit bei
conditions de corrosion cyclique - Partie 1: Brouillard zyklischen Korrosionsbedingungen - Teil 1: Nass
salin/sécheresse/humidité (ISO 11997-1:2005) (Salzsprühnebel)/trocken/Feuchte (ISO 11997-1:2005)
This European Standard was approved by CEN on 16 January 2006.
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 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 translation
under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official
versions.
CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,
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Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
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© 2006 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 11997-1:2006: E
worldwide for CEN national Members.
Foreword
The text of ISO 11997-1:2005 has been prepared by Technical Committee ISO/TC 35 "Paints
and varnishes” of the International Organization for Standardization (ISO) and has been taken
over as EN ISO 11997-1:2006 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 August 2006, and conflicting national
standards shall be withdrawn at the latest by August 2006.
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, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
Endorsement notice
The text of ISO 11997-1:2005 has been approved by CEN as EN ISO 11997-1:2006 without any
modifications.
INTERNATIONAL ISO
STANDARD 11997-1
Second edition
2005-03-15
Paints and varnishes —
Determination of resistance to cyclic
corrosion conditions —
Part 1:
Wet (salt fog)/dry/humidity
Peintures et vernis — Détermination de la résistance aux conditions de
corrosion cyclique —
Partie 1: Brouillard salin/sécheresse/humidité
Reference number
ISO 11997-1:2005(E)
©
ISO 2005
ISO 11997-1:2005(E)
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ii © ISO 2005 – All rights reserved
ISO 11997-1:2005(E)
Contents Page
Foreword. iv
Introduction . v
1 Scope. 1
2 Normative references . 1
3 Principle . 2
4 Required supplementary information . 2
5 Salt fog test solution. 2
6 Apparatus. 3
7 Sampling . 4
8 Test panels . 4
9 Method of exposure of test panels. 5
10 Operating conditions . 5
11 Procedure. 5
12 Examination of test panels. 6
13 Precision . 6
14 Test report. 6
Annex A (normative) Required supplementary information . 8
Annex B (informative) Factors to be considered in the design and construction of salt spray
cabinets. 9
Annex C (normative) Cycle A . 10
Annex D (normative) Cycle B . 11
Annex E (normative) Cycle C . 12
Annex F (normative) Cycle D. 13
ISO 11997-1:2005(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies
(ISO member bodies). The work of preparing International Standards is normally carried out through ISO
technical committees. Each member body interested in a subject for which a technical committee has been
established has the right to be represented on that committee. International organizations, governmental and
non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the
International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards
adopted by the technical committees are circulated to the member bodies for voting. Publication as an
International Standard requires approval by at least 75 % of the member bodies casting a vote.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO 11997-1 was prepared by Technical Committee ISO/TC 35, Paints and varnishes, Subcommittee SC 9,
General test methods for paints and varnishes.
This second edition cancels and replaces the first edition (ISO 11997-1:1998) (including Technical
Corrigendum ISO 11997-1:1998/Cor.1:1998), in which cycle A has been revised and cycle D has been added
to correlate with ISO 14993:2001, Corrosion of metals and alloys — Accelerated testing involving cyclic
exposure to salt mist, “dry” and “wet” conditions.
ISO 11997 consists of the following parts, under the general title Paints and varnishes — Determination of
resistance to cyclic corrosion conditions:
Part 1: Wet (salt fog)/dry/humidity
Part 2: Wet (salt fog)/dry/humidity/UV light
iv © ISO 2005 – All rights reserved
ISO 11997-1:2005(E)
Introduction
Coatings of paints, varnishes and similar materials are exposed to one of four cycles of wet and dry conditions
using specified salt solutions in a cabinet in order to simulate, in the laboratory, processes occurring in
aggressive outdoor conditions, such as marine environments. Generally, correlation between such outdoor
weathering and laboratory testing cannot be expected because of the large number of factors influencing the
breakdown process. Correlation can only be expected if the effect on the coating of important parameters (e.g.
the nature of the pollutant, the spectral distribution of the incident irradiance in the relevant photochemical
region, the temperature of the specimen, the type and cycle of wetting and relative humidity) is known. In
contrast to outdoor weathering, laboratory testing in a cabinet is performed with a reduced number of
variables which can be controlled, and therefore the effects are more reproducible. The method described
may also give a means of checking that the quality of a paint or paint system is being maintained.
The method has been found to be useful in comparing the cyclic salt spray resistance of different coatings. It
is most useful in providing relevant ratings for a series of coated panels exhibiting significant differences in
cyclic salt spray resistance.
The test cycles included in this part of ISO 11997 have been used successfully, with documented evidence, in
the industry for the assessment of performance. The cycles can be summarized as follows.
Cycle A (see Annex C): This cycle is specified in Japanese Automobile Standards JASO M 609-91,
Corrosion test method for automotive materials, and JASO M610-92, Cosmetic corrosion test method for
automotive parts.
Cycle B (see Annex D): This is based on the VDA 621-415 cycle and is widely used in Europe. It has
also been shown to give good correlation with natural weathering for thermosetting paints in vehicle
corrosion.
Cycle C (see Annex E): This cycle was developed in the UK for use with water-soluble and latex paint
systems, and has been shown to give good correlation with natural weathering.
Cycle D (see Annex F): This cycle is specified in Japanese Standard JIS K 5621-2003, Anticorrosive
paint for general use.
It is intended that other cycles will be added at later revisions of this part of ISO 11997, as they are developed
for evaluating other paint types.
ISO 11997-2 describes a method for determining the cyclic corrosion resistance of paints which includes UV
exposure as part of the cycle. It has been found to give good correlation with natural weathering for industrial
maintenance coatings.
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