General Information

Abstract

ISO 3210:2017 specifies methods of assessing the quality of sealed anodic oxidation coatings on aluminium and its alloys by measurement of the loss of mass after immersion in acid solution(s).
It consists of the following two methods.
-      Method 1: Assessment of quality of sealed anodic oxidation coatings by measurement of the loss of mass after immersion in a phosphoric acid based solution without prior acid treatment.
-      Method 2: Assessment of quality of sealed anodic oxidation coatings by measurement of the loss of mass after immersion in a phosphoric acid based solution with prior acid treatment.
Method 1 is applicable to anodic oxidation coatings intended for decorative or protective purposes or where resistance to staining is important.
Method 2 is applicable to anodic oxidation coatings intended for outdoor architectural purposes. For less severe applications, Method 1 can be more suitable.
The methods are not applicable to the following:
-      hard-type anodic oxidation coatings which normally are not sealed;
-      anodic oxidation coatings that have been sealed only in dichromate solutions;
-      anodic oxidation coatings produced in chromic acid solutions;
-      anodic oxidation coatings that have undergone treatment to render them hydrophobic.
NOTE 1    The methods assess the quality of hydrothermal sealing applied to anodized aluminium. They can be appropriate for other sealing methods.
NOTE 2    The methods are destructive and can serve as reference methods in case of doubt or dispute regarding the results of the test for loss of absorptive power (see ISO 2143) or the measurement of admittance (see ISO 2931).

Status
Withdrawn
Publication Date
05-Dec-2017
Withdrawal Date
22-Sep-2026
Current Stage
9960 - Withdrawal effective - Withdrawal
Start Date
08-Oct-2025
Completion Date
23-Sep-2026

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Effective Date
13-Dec-2017
Effective Date
24-Jan-2024
Effective Date
09-Feb-2026
Effective Date
12-Feb-2026

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Frequently Asked Questions

EN ISO 3210:2017 is a standard published by the European Committee for Standardization (CEN). Its full title is "Anodizing of aluminium and its alloys - Assessment of quality of sealed anodic oxidation coatings by measurement of the loss of mass after immersion in acid solution(s) (ISO 3210:2017)". This standard covers: ISO 3210:2017 specifies methods of assessing the quality of sealed anodic oxidation coatings on aluminium and its alloys by measurement of the loss of mass after immersion in acid solution(s). It consists of the following two methods. - Method 1: Assessment of quality of sealed anodic oxidation coatings by measurement of the loss of mass after immersion in a phosphoric acid based solution without prior acid treatment. - Method 2: Assessment of quality of sealed anodic oxidation coatings by measurement of the loss of mass after immersion in a phosphoric acid based solution with prior acid treatment. Method 1 is applicable to anodic oxidation coatings intended for decorative or protective purposes or where resistance to staining is important. Method 2 is applicable to anodic oxidation coatings intended for outdoor architectural purposes. For less severe applications, Method 1 can be more suitable. The methods are not applicable to the following: - hard-type anodic oxidation coatings which normally are not sealed; - anodic oxidation coatings that have been sealed only in dichromate solutions; - anodic oxidation coatings produced in chromic acid solutions; - anodic oxidation coatings that have undergone treatment to render them hydrophobic. NOTE 1 The methods assess the quality of hydrothermal sealing applied to anodized aluminium. They can be appropriate for other sealing methods. NOTE 2 The methods are destructive and can serve as reference methods in case of doubt or dispute regarding the results of the test for loss of absorptive power (see ISO 2143) or the measurement of admittance (see ISO 2931).

ISO 3210:2017 specifies methods of assessing the quality of sealed anodic oxidation coatings on aluminium and its alloys by measurement of the loss of mass after immersion in acid solution(s). It consists of the following two methods. - Method 1: Assessment of quality of sealed anodic oxidation coatings by measurement of the loss of mass after immersion in a phosphoric acid based solution without prior acid treatment. - Method 2: Assessment of quality of sealed anodic oxidation coatings by measurement of the loss of mass after immersion in a phosphoric acid based solution with prior acid treatment. Method 1 is applicable to anodic oxidation coatings intended for decorative or protective purposes or where resistance to staining is important. Method 2 is applicable to anodic oxidation coatings intended for outdoor architectural purposes. For less severe applications, Method 1 can be more suitable. The methods are not applicable to the following: - hard-type anodic oxidation coatings which normally are not sealed; - anodic oxidation coatings that have been sealed only in dichromate solutions; - anodic oxidation coatings produced in chromic acid solutions; - anodic oxidation coatings that have undergone treatment to render them hydrophobic. NOTE 1 The methods assess the quality of hydrothermal sealing applied to anodized aluminium. They can be appropriate for other sealing methods. NOTE 2 The methods are destructive and can serve as reference methods in case of doubt or dispute regarding the results of the test for loss of absorptive power (see ISO 2143) or the measurement of admittance (see ISO 2931).

EN ISO 3210:2017 is classified under the following ICS (International Classification for Standards) categories: 25.220.20 - Surface treatment. The ICS classification helps identify the subject area and facilitates finding related standards.

EN ISO 3210:2017 has the following relationships with other standards: It is inter standard links to EN ISO 3210:2010, EN ISO 3210:2025, ISO 7583:2013, ISO 3210:2017. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

EN ISO 3210:2017 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.

Standards Content (Sample)


SLOVENSKI STANDARD
01-februar-2018
1DGRPHãþD
SIST EN ISO 3210:2010
Anodizacija aluminija in njegovih zlitin - Ocena kakovosti zatesnjenih anodno
oksidiranih plasti z merjenjem izgube mase po raztapljanju v kislih raztopinah (ISO
3210:2017)
AAnodizing of aluminium and its alloys - Assessment of quality of sealed anodic
oxidation coatings by measurement of the loss of mass after immersion in acid solution
(s) (ISO 3210:2017)
Anodisieren von Aluminium und Aluminiumlegierungen - Prüfung der Qualität von
verdichteten, anodisch erzeugten Oxidschichten durch Bestimmung des Masseverlustes
nach Eintauchen in Säure-Lösung(en) (ISO 3210:2017)
Anodisation de l'aluminium et de ses alliages - Évaluation de la qualité des couches
anodiques colmatées par mesurage de la perte de masse après immersion en solution
(s) acide(s) (ISO 3210:2017)
Ta slovenski standard je istoveten z: EN ISO 3210:2017
ICS:
25.220.20 Površinska obdelava Surface treatment
77.120.10 Aluminij in aluminijeve zlitine Aluminium and aluminium
alloys
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 3210
EUROPEAN STANDARD
NORME EUROPÉENNE
December 2017
EUROPÄISCHE NORM
ICS 25.220.20 Supersedes EN ISO 3210:2010
English Version
Anodizing of aluminium and its alloys - Assessment of
quality of sealed anodic oxidation coatings by
measurement of the loss of mass after immersion in acid
solution(s) (ISO 3210:2017)
Anodisation de l'aluminium et de ses alliages - Anodisieren von Aluminium und
Évaluation de la qualité des couches anodiques Aluminiumlegierungen - Prüfung der Qualität von
colmatées par mesurage de la perte de masse après verdichteten, anodisch erzeugten Oxidschichten durch
immersion en solution(s) acide(s) (ISO 3210:2017) Bestimmung des Masseverlustes nach Eintauchen in
Säure-Lösung(en) (ISO 3210:2017)
This European Standard was approved by CEN on 22 October 2017.

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, 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
© 2017 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 3210:2017 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
European foreword
This document (EN ISO 3210:2017) has been prepared by Technical Committee ISO/TC 79 “Light
metals and their alloys” in collaboration with Technical Committee CEN/TC 132 “Aluminium and
aluminium alloys” the secretariat of which is held by AFNOR.
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 June 2018, and conflicting national standards shall be
withdrawn at the latest by June 2018.
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 ISO 3210:2010.
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, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
Endorsement notice
The text of ISO 3210:2017 has been approved by CEN as EN ISO 3210:2017 without any modification.

INTERNATIONAL ISO
STANDARD 3210
Fourth edition
2017-10
Anodizing of aluminium and its
alloys — Assessment of quality of
sealed anodic oxidation coatings by
measurement of the loss of mass after
immersion in acid solution(s)
Anodisation de l'aluminium et de ses alliages — Évaluation de la
qualité des couches anodiques colmatées par mesurage de la perte de
masse après immersion en solution(s) acide(s)
Reference number
ISO 3210:2017(E)
©
ISO 2017
ISO 3210:2017(E)
© ISO 2017, Published in Switzerland
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form
or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior
written permission. Permission can be requested from either ISO at the address below or ISO’s member body in the country of
the requester.
ISO copyright office
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CH-1214 Vernier, Geneva, Switzerland
Tel. +41 22 749 01 11
Fax +41 22 749 09 47
copyright@iso.org
www.iso.org
ii © ISO 2017 – All rights reserved

ISO 3210:2017(E)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 2
5 Reagents . 2
5.1 General . 2
5.2 Predip solution, used only for Method 2 . 2
5.3 Test solution . 2
5.3.1 Test solution A. 2
5.3.2 Test solution B . . 2
6 Apparatus . 2
7 Preparation of test specimen . 2
8 Procedure. 3
8.1 Test solutions . 3
8.2 Method 1. 3
8.3 Method 2. 4
9 Expression of results . 5
10 Test report . 5
Annex A (normative) Method for the degreasing and drying of test specimens .6
Bibliography . 7
ISO 3210:2017(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.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).
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. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www.iso.org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to the
World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following
URL: www.iso.org/iso/foreword.html.
This document was prepared by Technical Committee ISO/TC 79, Light metals and their alloys,
Subcommittee SC 2, Organic and anodic oxidation coatings on aluminium.
This fourth edition cancels and replaces the third edition (ISO 321
...