EN ISO 105-X11:2026

Textiles - Tests for colour fastness - Part X11: Colour fastness to hot pressing (ISO 105-X11:2026)

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.

Textilien - Farbechtheitsprüfungen - Teil X11: Bestimmung der Farbechtheit gegen Bügeln (ISO 105-X11:2026)

Textiles - Essais de solidité des coloris - Partie X11: Solidité des coloris au pressage à chaud (ISO 105-X11:2026)

1.1 La présente partie de l'ISO 105 prescrit une méthode pour la détermination de la résistance des teintures sur les textiles de toute nature, à tous leurs stades de transformation, au repassage ou au traitement industriel sur cylindres chauds. 1.2 Des essais sont prévus pour le repassage à chaud lorsque le textile est sec, lorsqu'il est mouillé et lorsqu'il est humide. La destination finale du textile détermine généralement quel essai doit être effectué.

Tekstilije - Preskušanje barvne obstojnosti - Del X11: Barvna obstojnost pri vročem likanju (ISO/DIS 105-X11:2024)

General Information

• Status: Not Published
• Publication Date: 23-Jun-2026
• ICS: 59.080.01 - Textiles in general
• Technical Committee: CEN/TC 248 - Textiles and textile products
• Current Stage: 6055 - CEN Ratification completed (DOR) - Publishing
• Start Date: 26-Dec-2024
• Completion Date: 26-Dec-2024
• Ref Project: oSIST prEN ISO 105-X11:2024 - Textiles - Tests for colour fastness - Part X11: Colour fastness to hot pressing (ISO/DIS 105-X11:2024)

Relations

• Consolidated By: ISO 105-X11:2026 - Textiles — Tests for colour fastness — Part X11: Colour fastness to hot pressing
• Effective Date: 12-Feb-2026
• Revises: EN ISO 105-X11:1996 - Textiles - Tests for colour fastness - Part X11: Colour fastness to hot pressing (ISO-X11:1994)
• Effective Date: 15-Nov-2023

Overview

EN ISO 105-X11:2026, issued by CEN, defines an internationally recognized method for evaluating the colour fastness of textiles during hot pressing processes. This standard is applicable to textiles of all fibers and constructions, investigating their resistance to ironing and processing with hot cylinders. The test outlined in the document can be performed on dry, damp, or wet textiles, with the appropriate method selected based on the textile's end-use. Ensuring reliable colour fastness in textiles is critical for maintaining fabric quality and meeting consumer expectations in a wide range of applications.

Key Topics

• Colour Fastness Assessment: The standard provides procedures to determine how well textile dyes withstand exposure to heat and pressure during ironing or hot cylinder processing.
• Test Methods for Various Conditions:
  • Dry Pressing: Evaluation under hot, dry conditions.
  • Damp Pressing: Testing with a layer of wet adjacent cotton fabric on a dry specimen.
  • Wet Pressing: Both the specimen and the adjacent fabric are wet during testing.
• Procedure & Equipment:
  • Use of controlled heating apparatus to apply defined temperature and pressure.
  • Temperature points commonly tested include 120°C, 160°C, and 210°C, reflecting conditions typical for different fibers.
  • Assessment involves comparison against standardized grey scales for both colour change and staining.
• Reporting Requirements: Includes identification of tested materials, testing parameters (e.g., temperature, moisture state), and numerical ratings of colour change and staining.

Applications

EN ISO 105-X11:2026 is essential across the textile industry, supporting:

• Quality Assurance: Textile manufacturers and suppliers employ this test to ensure their products retain colour integrity after common finishing processes like ironing or calendaring.
• Product Development: Designers and developers use the results to select dyes and finishing processes that optimize the durability of colours in garments and fabrics.
• Compliance and Certification: Brands and retailers may require conformity to this standard to meet regulatory, marketing, or consumer requirements related to textile quality.
• Consumer Safety and Satisfaction: Applying this standard helps prevent unexpected colour changes or staining during customer use, particularly for garments, home textiles, and technical fabrics subjected to heat.
• Research and Comparative Studies: Laboratories and quality institutes use standardized colour fastness tests to compare performance of different dyes, fibers, and textile constructions, leading to better material choices.

Related Standards

• ISO 105-A01: General principles of testing for colour fastness in textiles.
• ISO 105-A02: Grey scale for assessing changes in colour.
• ISO 105-A03: Grey scale for assessing staining.
• ISO 105-F: Standard adjacent fabrics for use in colour fastness tests.
• ISO 139: Standard atmospheres for conditioning and testing textiles.
• ISO 3758: Care labelling of textiles, referenced for pressing temperature guidelines.
• ISO 105-P01: Colour fastness to dry heat (excluding pressing) - related methodology for thermal resistance in textiles.

By adhering to EN ISO 105-X11:2026, organizations ensure robust and repeatable assessment of textile colour fastness under heat, improving the reliability and competitiveness of textile products in global markets. This test standard is key for compliance with industry benchmarks and for delivering high-quality, colour-stable textiles to end users.

Standards Content (Sample)

SLOVENSKI STANDARD
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
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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
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USER PURPOSES, DRAFT INTERNATIONAL
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BE CONSIDERED IN THE LIGHT OF THEIR
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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)
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
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RECIPIENTS OF THIS DRAFT ARE INVITED
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Published in Switzerland Reference number
ISO/DIS 105-X11:2024(en)
ii
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
ISO/DIS 105-X11:2024(en)
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This fifth edition cancels and replaces the fo
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