Railway applications — Coating of passenger rail vehicles

This document defines the performance requirements and acceptance criteria for paint used in the railway sector for passenger rail vehicles and their locomotives. It also provides guidelines for the use of a paint applicator to describe its painting processes, product selection, surface preparation, coating application, verification and inspection methods, repairs, and tests to obtain the minimum performances for the final product. This document applies to all types of paints used on: - railway vehicle bodies; - on-board equipment and constituent parts.

Applications ferroviaires — Peinturage des véhicules ferroviaires destinés au transport de passagers

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5020 - FDIS ballot initiated: 2 months. Proof sent to secretariat
Start Date
09-Oct-2024
Completion Date
09-Oct-2024
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ISO/FDIS 9466 - Railway applications — Coating of passenger rail vehicles Released:25. 09. 2024
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FINAL DRAFT
International
Standard
ISO/TC 269/SC 2
Railway applications — Coating of
Secretariat: AFNOR
passenger rail vehicles
Voting begins on:
Applications ferroviaires — Peinturage des véhicules ferroviaires 2024-10-09
destinés au transport de passagers
Voting terminates on:
2024-12-04
RECIPIENTS OF THIS DRAFT ARE INVITED TO SUBMIT,
WITH THEIR COMMENTS, NOTIFICATION OF ANY
RELEVANT PATENT RIGHTS OF WHICH THEY ARE AWARE
AND TO PROVIDE SUPPOR TING DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO­
ISO/CEN PARALLEL PROCESSING LOGICAL, COMMERCIAL AND USER PURPOSES, DRAFT
INTERNATIONAL STANDARDS MAY ON OCCASION HAVE
TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL
TO BECOME STAN DARDS TO WHICH REFERENCE MAY BE
MADE IN NATIONAL REGULATIONS.
Reference number
FINAL DRAFT
International
Standard
ISO/TC 269/SC 2
Railway applications — Coating of
Secretariat: AFNOR
passenger rail vehicles
Voting begins on:
Applications ferroviaires — Peinturage des véhicules ferroviaires
destinés au transport de passagers
Voting terminates on:
RECIPIENTS OF THIS DRAFT ARE INVITED TO SUBMIT,
WITH THEIR COMMENTS, NOTIFICATION OF ANY
RELEVANT PATENT RIGHTS OF WHICH THEY ARE AWARE
AND TO PROVIDE SUPPOR TING DOCUMENTATION.
© ISO 2024
IN ADDITION TO THEIR EVALUATION AS
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO­
ISO/CEN PARALLEL PROCESSING
LOGICAL, COMMERCIAL AND USER PURPOSES, DRAFT
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
INTERNATIONAL STANDARDS MAY ON OCCASION HAVE
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL
or ISO’s member body in the country of the requester.
TO BECOME STAN DARDS TO WHICH REFERENCE MAY BE
MADE IN NATIONAL REGULATIONS.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland Reference number
ii
Contents Page
Foreword .v
1 Scope . 1
2 Normative references . 1
3 Terms, definitions, abbreviations and symbols . 3
3.1 Terms and definitions .3
3.2 Abbreviated terms and symbols.4
3.2.1 Abbreviated terms .4
3.2.2 Symbols.4
4 Coating systems, locations and environment and design recommendations . 5
4.1 General .5
4.2 Types of locations .5
4.3 Standard support and substrates .5
4.4 Coating system qualification .6
4.4.1 General .6
4.4.2 Chemical and physiochemical characteristics of products for each layer .6
4.4.3 Application properties .8
4.4.4 Physical characteristics .10
4.4.5 Decorative characteristics . 13
4.4.6 Mechanical characteristics . 15
4.4.7 Ageing characteristics .18
4.5 Design recommendations .24
4.5.1 General .24
4.5.2 Coated parts specifications .24
5 Process establishment and qualification .24
5.1 General .24
5.2 Establishing the process steps . 25
5.2.1 General . 25
5.2.2 Ambient conditions . 25
5.2.3 Cleaning and degreasing the surface . 25
5.2.4 Pretreatment and surface preparation methods . 25
5.2.5 Coating application .27
5.2.6 Drying .27
5.2.7 Inter-operation time . 28
5.3 Process qualification . 28
5.3.1 General . 28
5.3.2 Tests for process qualification . 28
5.3.3 Process qualification report . 29
5.4 Supplier process information . 30
6 Serial production .30
6.1 General . 30
6.2 First article inspection . 30
6.3 Local work instruction document . 30
6.4 In-house testing of serial parts .32
6.4.1 General .32
6.4.2 Technical tests (valid for all location) . 33
6.4.3 Decorative locations . 34
6.4.4 Traceability requirements .37
6.5 Repair and maintenance .37
6.5.1 Repair .37
6.5.2 Maintenance .37
Annex A (informative) Proposed graffiti products and graffiti remover .38

iii
Annex B (informative) Duration level related to the refurbishment time for corrosion, humidity
and weathering tests .39
Bibliography .40

iv
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 document 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).
ISO draws attention to the possibility that the implementation of this document may involve the use of (a)
patent(s). ISO takes no position concerning the evidence, validity or applicability of any claimed patent
rights in respect thereof. As of the date of publication of this document, ISO had not received notice of (a)
patent(s) which may be required to implement this document. However, implementers are cautioned that
this may not represent the latest information, which may be obtained from the patent database available at
www.iso.org/patents. ISO shall not be held responsible for identifying any or all such patent ri
...


ISO/TC 269/SC 2
Secretariat: AFNOR
Date: 2024-09-24
Railway applications — Coating of passenger rail vehicles
Applications ferroviaires — Peinturage des véhicules ferroviaires àdestinés au transport de passagers

First edition
2024-06-05
FDIS stage
All rights reserved. Unless otherwise specified, or required in the context of its implementation, 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'sISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: + 41 22 749 01 11
Email: E-mail: copyright@iso.org
Website: www.iso.org
Published in Switzerland.
iii
Contents
Foreword . v
1 Scope . 1
2 Normative references . 1
3 Terms, definitions, abbreviations and symbols . 3
3.1 Terms and definitions . 4
3.2 Abbreviated terms and symbols . 4
4 Coating systems, locations and environment and design recommendations . 5
4.1 General . 5
4.2 Types of locations . 5
4.3 Standard support and substrates . 6
4.4 Coating system qualification . 8
4.5 Design recommendations . 30
5 Process establishment and qualification . 30
5.1 General . 30
5.2 Establishing the process steps . 31
5.3 Process qualification . 35
5.4 Supplier process information . 37
6 Serial production . 37
6.1 General . 37
6.2 First article inspection . 38
6.3 Local work instruction document . 38
6.4 In-house testing of serial parts . 40
6.5 Repair and maintenance . 48
Annex A (informative) Proposed graffiti products and graffiti remover . 49
Annex B (informative) Duration level related to the refurbishment time for corrosion, humidity
and weathering tests . 51
Bibliography . 53

iv
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 document 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).
ISO draws attention to the possibility that the implementation of this document may involve the use of (a)
patent(s). ISO takes no position concerning the evidence, validity or applicability of any claimed patent rights
in respect thereof. As of the date of publication of this document, ISO had not received notice of (a) patent(s)
which may be required to implement this document. However, implementers are cautioned that this may not
represent the latest information, which may be obtained from the patent database available at
www.iso.org/patents. ISO shall not be held responsible for identifying any or all such patent rights.
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of 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 www.iso.org/iso/foreword.html.
This document was prepared by Technical Committee ISO/TC 269, Railway applications, Subcommittee SC 2,
Rolling stock. in collaboration with the European Committee for Standardization (CEN) Technical Committee
CEN/TC 256, Railway applications, in accordance with the Agreement on technical cooperation between ISO
and CEN (Vienna Agreement).
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www.iso.org/members.html.
v
Railway applications — Coating of passenger rail vehicles
1 Scope
This document definesestablishes the performance requirements and acceptance criteria for coating material
used for passenger rolling stock, locomotives and components.
This document also provides guidance on the coating application processes, product selection, surface
preparation, coating application, verification and inspection methods, repairs, refurbishment (refresh, etc.).),
and tests to obtainmeasure the minimum performance for the final product.
This document applies to all types of coating materials (liquid, powder, etc.) used on:
— — railway vehicle bodies;, and
— — on-board equipment and constituent parts.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content constitutes
requirements of this document. For dated references, only the edition cited applies. For undated references,
the latest edition of the referenced document (including any amendments) applies.
ISO 1518--1, Paints and varnishes — Determination of scratch resistance — Part 1: Constant-loading method
ISO 1519, Paints and varnishes — Bend test (cylindrical mandrel)
ISO 2409:2020, Paints and varnishes — Cross-cut test
ISO 2431, Paints and varnishes — Determination of flow time by use of flow cups
ISO 2808, Paints and varnishes — Determination of film thickness
ISO 2811--1, Paints and varnishes — Determination of density — Part 1: Pycnometer method
ISO 2812--3, Paints and varnishes — Determination of resistance to liquids — Part 3: Method using an absorbent
medium
ISO 2813, Paints and varnishes — Determination of gloss value at 20°, 60° and 85°
ISO 3233--3, Paints and varnishes — Determination of the percentage volume of non-volatile matter — Part 3:
Determination by calculation from the non-volatile-matter content determined in accordance with ISO 3251, the
density of the coating material and the density of the solvent in the coating material
ISO 3251:2019, Paints, varnishes and plastics — Determination of non-volatile-matter content
ISO 3668, Paints and varnishes — Visual comparison of colour of paints
ISO 4545-1:2023, Metallic materials — Knoop hardness test — Part 1: Test method
ISO 4618:2023, Paints and varnishes — Vocabulary
ISO 4624:2023, Paints and varnishes — Pull-off test for adhesion
ISO 4628--2:2016, Paints and varnishes — Evaluation of degradation of coatings — Designation of quantity and
size of defects, and of intensity of uniform changes in appearance — Part 2: Assessment of degree of blistering
ISO 4628--3:2016, Paints and varnishes — Evaluation of degradation of coatings — Designation of quantity and
size of defects, and of intensity of uniform changes in appearance — Part 3: Assessment of degree of rusting
ISO 4628--4:2016, Paints and varnishes — Evaluation of degradation of coatings — Designation of quantity and
size of defects, and of intensity of uniform changes in appearance — Part 4: Assessment of degree of cracking
ISO 4628--5:2022, Paints and varnishes — Evaluation of quantity and size of defects, and of intensity of uniform
changes in appearance — Part 5: Assessment of degree of flaking
ISO 4628--8, Paints and varnishes — Evaluation of degradation of coatings — Designation of quantity and size
of defects, and of intensity of uniform changes in appearance — Part 8: Assessment of degree of delamination and
corrosion around a scribe or other artificial defect
ISO 6270--2, Paints and varnishes — Determination of resistance to humidity — Part 2: Condensation (in-cabinet
exposure with heated water reservoir)
ISO 6272--1, Paints and varnishes — Rapid-deformation (impact resistance) tests — Part 1: Falling-weight test,
large-area indenter
ISO 6344--2:2021, Coated abrasives — Determination and designation of grain size distribution — Part 2:
Macrogrit sizes P12 to P220
ISO 6344--3, Coated abrasives — Determination and designation of grain size distribution — Part 3: Microgrit
sizes P240 to P5000
ISO 6504--3:2019, Paints and varnishes — Determination of hiding power — Part 3: Determination of hiding
power of paints for masonry, concrete and interior use
ISO 6507--1:20182023, Metallic materials — Vickers hardness test — Part 1: Test method
ISO 7784--1, Paints and varnishes — Determination of resistance to abrasion — Part 1: Method with abrasive-
paper covered wheels and rotating test specimen
ISO 8130--1, Coating powders — Part 1: Determination of particle size distribution by sieving
ISO 8130--13, Coating powders — Part 13: Particle size analysis by laser diffraction
ISO 8130--8:2021, Coating powders — Part 8: Assessment of the storage stability of thermosetting powders
ISO 8501--1:2007, Preparation of steel substrates before application of paints and related products — Visual
assessment of surface cleanliness — Part 1: Rust grades and preparation grades of uncoated steel substrates and
of steel substrates after overall removal of previous coatings
ISO 8502--3, Preparation of steel substrates before application of paints and related products — Tests for the
assessment of surface cleanliness — Part 3: Assessment of dust on steel surfaces prepared for painting (pressure-
sensitive tape method)
ISO 8503--1:2012, Preparation of steel substrates before application of paints and related products — Surface
roughness characteristics of blast-cleaned steel substrates — Part 1: Specifications and definitions for ISO surface
profile comparators for the assessment of abrasive blast-cleaned surfaces
ISO 9227, Corrosion tests in artificial atmospheres — Salt spray tests
ISO 9514, Paints and varnishes — Determination of the pot life of multicomponent coating systems —
Preparation and conditioning of samples and guidelines for testing
ISO 11890--1, Paints and varnishes — Determination of volatile organic compoundcompounds (VOC) and/or
semi volatile organic compounds (SVOC) content — Part 1: DifferenceGravimetric method for VOC determination
ISO 11890--2, Paints and varnishes — Determination of volatile organic compound (VOCcompounds(VOC)
and/or semi volatile organic compounds (SVOC) content — Part 2: Gas-chromatographic method
ISO 16276--2, Corrosion protection of steel structures by protective paint systems — Assessment of, and
acceptance criteria for, the adhesion/cohesion (fracture strength) of a coating — Part 2: Cross-cut testing and
X-cut testing
ISO 16474--2:2013/Amd 1:2022, Paints and varnishes — Methods of exposure
...

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