SIST EN 13523-26:2022

Coil coated metals - Test methods - Part 26: Resistance to condensation of water

This document specifies a procedure for evaluating the resistance to continuous condensation of an organic coating on a metallic substrate, by means of exposure in a humidity cabinet under controlled conditions.

Bandbeschichtete Metalle - Prüfverfahren - Teil 26: Beständigkeit gegen Kondenswasser

Dieses Dokument legt ein Verfahren zum Bewerten der Beständigkeit einer organischen Beschichtung auf einem metallischen Substrat gegen kontinuierliche Kondensation durch Beanspruchung in einer Feuchtekammer unter kontrollierten Bedingungen fest.

Tôles prélaquées - Méthodes d'essai - Partie 26: Résistance à la condensation de l'eau

Le présent document décrit un mode opératoire permettant d’évaluer la résistance à la condensation continue d’un revêtement organique déposé sur un subjectile métallique, via l’exposition dans une enceinte à atmosphère humide dans des conditions contrôlées.

Prevlečene kovine, ki se navijajo - Preskusne metode - 26. del: Odpornost proti kondenzirani vodi

Ta del standarda EN 13523 določa postopek za vrednotenje odpornosti proti kondenzaciji organske prevleke (prevleke kovin, ki se navijajo) na kovinski podlagi pri izpostavljenosti vlažnosti pod nadzorovanimi pogoji.

General Information

• Status: Published
• Public Enquiry End Date: 02-Dec-2021
• Publication Date: 17-Aug-2022
• ICS: 17.040.20 - Properties of surfaces
• ICS: 25.220.60 - Organic coatings
• Technical Committee: IBLP - Paints and varnishes
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Aug-2022
• Due Date: 06-Oct-2022
• Completion Date: 18-Aug-2022
• Ref Project: EN 13523-26:2022 - Coil coated metals - Test methods - Part 26: Resistance to condensation of water

Relations

• Replaces: SIST EN 13523-26:2014 - Coil coated metals - Test methods - Part 26: Resistance to condensation of water
• Effective Date: 01-Sep-2022

Overview

EN 13523-26:2022 - Coil coated metals: Test methods - Part 26: Resistance to condensation of water specifies a laboratory procedure to evaluate the resistance of an organic coating on metallic substrates to continuous condensation. The method uses a humidity cabinet to expose coated test panels to controlled condensation and records coating degradation such as blistering, corrosion (red/white rust) and optionally colour and gloss changes.

Key topics and technical requirements

• Scope: Tests continuous condensation resistance of coil coated metals (organic coatings on metal substrates).
• Apparatus: A humidity cabinet comprising an electrically heated water bath with a cover to support panels. Panels are mounted at (60 ± 5)° to horizontal with the coated face facing down. The air space above the water is maintained at (38 ± 2) °C.
• Water quality: Use deionised water with conductivity ≤ 5 µS/cm at 25 °C (EN ISO 3696 reference).
• Ambient limits: Ambient temperature around the cabinet shall not exceed 23 °C.
• Exposure durations: Typical exposure times are 500 h, 1 000 h or 1 500 h, unless otherwise agreed between parties.
• Evaluation:
  • Blistering assessed in accordance with EN ISO 4628-2.
  • Optional gloss and colour measurements per EN 13523-2 and EN 13523-3.
  • Note: Edges are excluded from evaluation (frame effects).
  • For some organic coated steel with multiple metallic phases in zinc-based coatings, filiform-type corrosion may occur; assessment should be agreed between interested parties.
• Reporting: Test report must identify the product, reference EN 13523-26:2022, state exposure duration, present results (blistering/gloss/colour), list deviations or anomalies, and include the test date.

Practical applications

• Quality control and R&D for coil coated products (steel, aluminium) used in building façades, roofing, cladding, appliances and other exterior applications where condensation is expected.
• Performance verification for procurement specifications and conformity testing.
• Comparative testing of coating systems (formulations, pretreatments, topcoats) to assess resistance to humid/condensing environments.

Who should use this standard

• Paint, coil-coating and metal product manufacturers
• Test laboratories and QA/QC teams
• Specifiers, architects and procurement professionals concerned with long-term durability of coated metal products

Related standards

• EN 13523 series (general coil coated metal test methods)
• EN ISO 6270-1 (condensation single-sided exposure)
• EN 13523-2 (gloss), EN 13523-3 (colour), EN ISO 3696 (water for laboratory use)
• EN 10169, EN 1396 (coated metal product specifications)

Keywords: EN 13523-26:2022, coil coated metals, resistance to condensation, humidity cabinet, condensation test, organic coatings, blistering test.

Standards Content (Sample)

SLOVENSKI STANDARD
01-september-2022
Nadomešča:
SIST EN 13523-26:2014
Prevlečene kovine, ki se navijajo - Preskusne metode - 26. del: Odpornost proti
kondenzirani vodi
Coil coated metals - Test methods - Part 26: Resistance to condensation of water
Bandbeschichtete Metalle - Prüfverfahren - Teil 26: Beständigkeit gegen Kondenswasser
Tôles prélaquées - Méthodes d'essai - Partie 26: Résistance à la condensation de l'eau
Ta slovenski standard je istoveten z: EN 13523-26:2022
ICS:
17.040.20 Lastnosti površin Properties of surfaces
25.220.60 Organske prevleke Organic coatings
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 13523-26
EUROPEAN STANDARD
NORME EUROPÉENNE
February 2022
EUROPÄISCHE NORM
ICS 25.220.60 Supersedes EN 13523-26:2014
English Version
Coil coated metals - Test methods - Part 26: Resistance to
condensation of water
Tôles prélaquées - Méthodes d'essai - Partie 26 : Bandbeschichtete Metalle - Prüfverfahren - Teil 26:
Résistance à la condensation de l'eau Beständigkeit gegen Kondenswasser
This European Standard was approved by CEN on 19 December 2021.

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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, 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: Rue de la Science 23, B-1040 Brussels
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 13523-26:2022 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Principle . 5
5 Apparatus . 5
6 Materials . 6
7 Sampling . 6
8 Test panels . 6
9 Procedure. 6
9.1 Exposure . 6
9.2 Evaluation . 7
10 Expression of results . 7
11 Precision . 7
12 Test report . 7
Bibliography . 8

European foreword
This document (EN 13523-26:2022) 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 August 2022, and conflicting national standards shall be
withdrawn at the latest by August 2022.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 13523-26:2014.
The main changes are:
a) EN ISO 3696 has been added to 6.1 as reference for the deionised water;
b) a remark concerning the assessment of organic coated steel substrates having multiple metallic
phases in zinc based coating has been added to Clause 10;
c) the list of the existing parts of EN 13523 has been updated;
d) the text has been editorially revised and the normative references have been updated.
The EN 13523 series, Coil coated metals — Test methods, consists of the following parts:
— Part 0: General introduction
— Part 1: Film thickness
— Part 2: Gloss
— Part 3: Colour difference and metamerism — Instrumental comparison
— Part 4: Pencil hardness
— Part 5: Resistance to rapid deformation (impact test)
— Part 6: Adhesion after indentation (cupping test)
— Part 7: Resistance to cracking on bending (T-bend test)
— Part 8: Resistance to salt spray (fog)
— Part 9: Resistance to water immersion
— Part 10: Resistance to fluorescent UV radiation and water condensation
— Part 11: Resistance to solvents (rubbing test)
— Part 12: Resistance to scratching
— Part 13: Resistan
...