SIST EN ISO 105-X11:2026

• Abstract:

  This document specifies a method for determining the resistance of the colour of textiles of all kinds and in all forms to ironing and to processing on hot cylinders.; This document is applicable for hot pressing when the textile is dry, damp or wet which is determined by the end-use of the textile.

• Status: Not Published
• Public Enquiry End Date: 23-Nov-2024
• ICS: 59.080.01 - Textiles in general
• Technical Committee: ITEK - Textile and textile products
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 09-Jul-2026
• Due Date: 13-Sep-2026
• Ref Project: EN ISO 105-X11:2026 - Textiles - Tests for colour fastness - Part X11: Colour fastness to hot pressing (ISO 105-X11:2026)

• Referred By: SIST EN 1150:1999 - Protective clothing - Visibility clothing for non-professional use - Test methods and requirements
• Effective Date: 01-Jul-2026
• Referred By: SIST EN 16315:2014 - Textiles - Silk woven fabrics for women’s wears, foulards and scarves, ties - Requirements and test methods
• Effective Date: 01-Jul-2026
• Referred By: SIST EN 340:2004 - Protective clothing - General requirements
• Effective Date: 01-Jul-2026
• Revises: SIST EN ISO 105-X11:1999 - Textiles - Tests for colour fastness - Part X11: Colour fastness to hot pressing (ISO-X11:1994)
• Effective Date: 15-Nov-2023

Overview

SIST EN ISO 105-X11:2026 - Textiles – Tests for Colour Fastness – Part X11: Colour Fastness to Hot Pressing (ISO 105-X11:2026) specifies a standardized method for assessing the resistance of textile colors to hot pressing, including ironing and processing on hot cylinders. This international standard is relevant for textiles of all types and in all forms, ensuring that products retain their color quality during common finishing and maintenance processes.

The method detailed in this standard covers testing textiles while dry, damp, or wet, reflecting conditions encountered in real-world end-use scenarios. Reliable evaluation of color fastness during hot pressing is essential for textile manufacturers and quality assurance professionals to maintain product consistency and meet customer expectations.

Key Topics

• Colour Fastness to Hot Pressing: The standard provides detailed methodologies for determining how well textile colors withstand exposure to heat and pressure, as occurs with ironing or industrial pressing.
• Testing Conditions: Three pressing scenarios are evaluated:
  • Dry pressing: Simulates ironing or pressing when the textile is dry.
  • Damp pressing: Assesses color fastness when a wet cotton fabric is in contact with a dry specimen.
  • Wet pressing: Examines performance when both the specimen and adjacent fabric are wet.
• Assessment and Reporting: Results are measured by observing color changes and staining of adjacent fabrics, using grey scales for objective evaluation. Detailed test reports support traceability and quality documentation.
• Relevant Equipment: Specifies apparatus requirements, including a controllable heating device, pressure specifications (4 kPa ± 1 kPa), and the use of cotton fabrics as adjacent materials.

Applications

• Quality Control in Textile Manufacturing: The standard is integral for textile producers to verify that their dyes and materials can withstand typical post-production heat treatments. Assessment according to SIST EN ISO 105-X11 ensures that finished garments and fabrics will maintain their appearance during ironing or heat-based finishing.
• Product Development and Sourcing: Textile engineers and designers use this standard during product development to select appropriate dyes and finishing processes, reducing the risk of defective batches or customer returns.
• Textile Certification and Compliance: Certification bodies and customers may require proof of compliance with ISO 105-X11 to verify that textile products meet international color fastness expectations, aiding market access and regulatory alignment.
• End-Use Assurance: By simulating conditions such as domestic ironing or industrial laundry presses, the standard helps predict textile performance in real-life scenarios, supporting claims for product durability and quality.

Related Standards

• ISO 105-Series (Colour Fastness Tests): SIST EN ISO 105-X11:2026 is part of the wider ISO 105 series, which covers other aspects of color fastness, such as:
  • ISO 105-A01: General principles of testing
  • ISO 105-A02: Grey scale for assessing change in color
  • ISO 105-A03: Grey scale for assessing staining
  • ISO 105-F: Standard adjacent fabrics used for testing
  • ISO 105-P01: Colour fastness to dry heat (excluding pressing)
• ISO 139: Standard atmospheres for conditioning and testing textiles

Practical Value

Implementing the procedures in SIST EN ISO 105-X11:2026 helps ensure:

• Consistent, replicable color fastness testing results in research, manufacturing, and quality assurance.
• Improved customer satisfaction by minimizing issues with color changes or staining due to ironing or pressing.
• Efficient benchmarking of textile dyeing processes against internationally recognized test methods.

This standard is an indispensable reference for textile laboratories, manufacturers, quality auditors, and certifiers, supporting best practices in textile color fastness evaluation to hot pressing.

SLOVENSKI STANDARD
oSIST prEN ISO 105-X11:2024
01-november-2024
Tekstilije - Preskušanje barvne obstojnosti - Del X11: Barvna obstojnost pri
vročem likanju (ISO/DIS 105-X11:2024)
Textiles - Tests for colour fastness - Part X11: Colour fastness to hot pressing (ISO/DIS
105-X11:2024)
Textilien - Farbechtheitsprüfungen - Teil X11: Bestimmung der Farbechtheit gegen
Bügeln (ISO/DIS 105-X11:2024)
Textiles - Essais de solidité des coloris - Partie X11: Solidité des coloris au pressage à
chaud (ISO/DIS 105-X11:2024)
Ta slovenski standard je istoveten z: prEN ISO 105-X11
ICS:
59.080.01 Tekstilije na splošno Textiles in general
oSIST prEN ISO 105-X11:2024 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

oSIST prEN ISO 105-X11:2024
oSIST prEN ISO 105-X11:2024
DRAFT
International
Standard
ISO/DIS 105-X11
ISO/TC 38/SC 1
Textiles — Tests for colour
Secretariat: BSI
fastness —
Voting begins on:
Part X11: 2024-09-02
Colour fastness to hot pressing
Voting terminates on:
2024-11-25
Textiles — Essais de solidité des teintures —
Partie X11: Solidité des teintures au repassage à chaud
ICS: 59.080.01
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENTS AND APPROVAL. IT
IS THEREFORE SUBJECT TO CHANGE
AND MAY NOT BE REFERRED TO AS AN
INTERNATIONAL STANDARD UNTIL
PUBLISHED AS SUCH.
This document is circulated as received from the committee secretariat.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
ISO/CEN PARALLEL PROCESSING
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
NATIONAL REGULATIONS.
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 SUPPORTING DOCUMENTATION.
Reference number
ISO/DIS 105-X11:2024(en)
oSIST prEN ISO 105-X11:2024
DRAFT
ISO/DIS 105-X11:2024(en)
International
Standard
ISO/DIS 105-X11
ISO/TC 38/SC 1
Textiles — Tests for colour
Secretariat: BSI
fastness —
Voting begins on:
Part X11:
Colour fastness to hot pressing
Voting terminates on:
Textiles — Essais de solidité des teintures —
Partie X11: Solidité des teintures au repassage à chaud
ICS: 59.080.01
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENTS AND APPROVAL. IT
IS THEREFORE SUBJECT TO CHANGE
AND MAY NOT BE REFERRED TO AS AN
INTERNATIONAL STANDARD UNTIL
PUBLISHED AS SUCH.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
© ISO 2024
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
STANDARDS MAY ON OCCASION HAVE TO
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
This document is circulated as received from the committee secretariat. BE CONSIDERED IN THE LIGHT OF THEIR
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
or ISO’s member body in the country of the requester.
NATIONAL REGULATIONS.
ISO copyright office
RECIPIENTS OF THIS DRAFT ARE INVITED
CP 401 • Ch. de Blandonnet 8
TO SUBMIT, WITH THEIR COMMENTS,
CH-1214 Vernier, Geneva
NOTIFICATION OF ANY RELEVANT PATENT
Phone: [phone]
RIGHTS OF WHICH THEY ARE AWARE AND TO
PROVIDE SUPPORTING DOCUMENTATION.
Email: [e-mail]
Website: www.iso.org
Published in Switzerland Reference number
ISO/DIS 105-X11:2024(en)
ii
oSIST prEN ISO 105-X11:2024
ISO/DIS 105-X11:2024(en)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 1
4.1 Dry pressing .1
4.2 Damp pressing .2
4.3 Wet pressing .2
4.4 Assessment .2
5 Apparatus . 2
6 Test specimen . 3
7 Procedure . 3
7.1 General .3
7.2 Dry pressing .3
7.3 Damp pressing .3
7.4 Wet pressing .4
7.5 Assessment .4
8 Test report . 4

iii
oSIST prEN ISO 105-X11:2024
ISO/DIS 105-X11:2024(en)
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).
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 [or Project Committee] ISO/TC 38, Textiles,
Subcommittee SC 1, Tests for coloured textiles and colorants.
This fifth edition cancels and replaces the fo
...