FprEN ISO 18636

Rubber or plastic coated fabrics - Mechanical properties - Determination of the elongation under load and the residual deformation (ISO/FDIS 18636:2026)

This document describes the method of determination of the elongation under load and the residual deformation of coated fabrics.

Mit Kautschuk oder Kunststoff beschichtete Textilien - Mechanische Eigenschaften - Bestimmung der Dehnung unter Last und der verbleibenden Verformung (ISO/FDIS 18636:2026)

Supports textiles revêtus de caoutchouc ou de plastique - Propriétés mécaniques - Détermination de l'allongement sous charge et de la déformation résiduelle (ISO/FDIS 18636:2026)

Gumirane ali plastificirane tekstilije - Mehanske lastnosti - Ugotavljanje raztezka pri obremenitvi in rezidualne deformacije (ISO/DIS 18636:2025)

General Information

• Status: Not Published
• Publication Date: 01-Nov-2026
• ICS: 59.080.40 - Coated fabrics
• Technical Committee: CEN/TC 248 - Textiles and textile products
• Drafting Committee: CEN/TC 248/WG 4 - Coated fabrics
• Current Stage: 4599 - Dispatch of FV draft to CMC - Finalization for Vote
• Start Date: 11-Mar-2026
• Completion Date: 11-Mar-2026
• Ref Project: oSIST prEN ISO 18636:2025 - Rubber or plastic coated fabrics - Mechanical properties - Determination of the elongation under load and the residual deformation (ISO/DIS 18636:2025)

Relations

• Consolidated By: ISO/FDIS 18636 - Rubber or plastic coated fabrics — Mechanical properties — Determination of the elongation under load and the residual deformation
• Effective Date: 12-Feb-2026
• Revises: EN 15977:2011 - Rubber or plastic coated fabrics - Mechanical properties - Determination of the elongation under load and the residual deformation
• Effective Date: 14-Apr-2025

Overview

FprEN ISO 18636 outlines the standardized method to determine the elongation under load and the residual deformation of rubber or plastic coated fabrics. These properties are crucial for assessing the mechanical performance and long-term durability of coated textiles used in various industrial and consumer applications. By establishing clear procedures, the standard ensures consistent, reliable, and comparable test results across laboratories, manufacturers, and users.

Key Topics

• Mechanical Properties Assessment: Defines how to measure the change in length of coated fabrics under specified loads and after relaxation.
• Test Procedures: Provides step-by-step instructions for specimen preparation, apparatus requirements, mechanical loading, and measurement techniques.
• Residual Deformation: Includes optional protocols for mechanical testing after heat exposure, simulating ageing effects.
• Reporting Requirements: Specifies essential data points to be included in test reports, ensuring traceability and transparency.
• International Consistency: Aligns with other ISO standards, facilitating compliance in global markets.

Applications

Adhering to FprEN ISO 18636 is vital for industries that rely on coated textiles, such as:

• Architecture: Evaluating coated fabrics (e.g., for tensile structures and awnings) for resistance to load-induced deformation, supporting safe and durable building components.
• Transport and Marine: Ensuring coated textiles used in vehicle interiors, cargo covers, or boat canopies persistently withstand operational stresses.
• Consumer Goods: Assessing quality and longevity of coated fabrics in furniture, upholstery, protective clothing, and outdoor equipment.
• Quality Assurance and R&D: Providing manufacturers with a validated protocol for product development, quality control, and performance benchmarking.
• Regulatory Compliance: Supporting adherence to national and international requirements concerning the mechanical performance of coated textiles.

Related Standards

Implementing FprEN ISO 18636 often involves referencing other key standards, including:

• ISO 1419: Specifies methods for accelerated ageing tests of rubber or plastics-coated fabrics, which is critical for optional heat exposure procedures in ISO 18636.
• ISO 2231: Details standard atmospheres for conditioning and testing, ensuring environmental consistency during mechanical testing.
• EN 12280-1: Defines test equipment requirements such as hot air ovens, supporting sample preparation for heat ageing steps.

Practical Value

The adoption of FprEN ISO 18636 empowers stakeholders to:

• Benchmark Material Performance: Compare coated textile products from different sources using unified criteria.
• Improve Product Safety: Detect materials prone to excessive elongation or residual deformation before deployment, minimizing failure risks.
• Enhance Durability: Identify formulations that retain form and resilience after mechanical load and thermal stress, extending the service life of end products.
• Support Innovation: Enable R&D teams to test new coated fabrics systematically, optimizing for strength, flexibility, and dimensional stability.

By following the procedures set out in FprEN ISO 18636, manufacturers and quality professionals ensure their coated fabric products meet stringent mechanical performance expectations, drive customer satisfaction, and maintain regulatory compliance across global markets.

Standards Content (Sample)

SLOVENSKI STANDARD
01-september-2025
Gumirane ali plastificirane tekstilije - Mehanske lastnosti - Ugotavljanje raztezka
pri obremenitvi in rezidualne deformacije (ISO/DIS 18636:2025)
Rubber or plastic coated fabrics - Mechanical properties - Determination of the
elongation under load and the residual deformation (ISO/DIS 18636:2025)
Mit Kautschuk oder Kunststoff beschichtete Textilien - Mechanische Eigenschaften -
Bestimmung der Dehnung unter Last und der verbleibenden Verformung (ISO/DIS
18636:2025)
Supports textiles revêtus de caoutchouc ou de plastique - Propriétés mécaniques -
Détermination de l'allongement sous charge et de la déformation résiduelle (ISO/DIS
18636:2025)
Ta slovenski standard je istoveten z: prEN ISO 18636
ICS:
59.080.40 Površinsko prevlečene Coated fabrics
tekstilije
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

DRAFT
International
Standard
ISO/DIS 18636
ISO/TC 45/SC 4
Rubber or plastic coated fabrics —
Secretariat: DSM
Mechanical properties —
Voting begins on:
Determination of the elongation
2025-07-21
under load and the residual
Voting terminates on:
deformation
2025-10-13
Supports textiles revêtus de caoutchouc ou de plastique —
Propriétés mécaniques — Détermination de l'allongement sous
charge et de la déformation résiduelle
ICS: 59.080.40
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 18636:2025(en)
DRAFT
ISO/DIS 18636:2025(en)
International
Standard
ISO/DIS 18636
ISO/TC 45/SC 4
Rubber or plastic coated fabrics —
Secretariat: DSM
Mechanical properties —
Voting begins on:
Determination of the elongation
under load and the residual
Voting terminates on:
deformation
Supports textiles revêtus de caoutchouc ou de plastique —
Propriétés mécaniques — Détermination de l'allongement sous
charge et de la déformation résiduelle
ICS: 59.080.40
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,
© ISO 2025
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
ISO/CEN PARALLEL PROCESSING
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
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 18636:2025(en)
ii
ISO/DIS 18636:2025(en)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 1
5 Apparatus . 1
6 Preparation of test specimens . 2
7 Mechanical loading test . 2
8 Residual deformation after heat exposure and mechanical loading (optional) . 3
9 Calculation . 3
10 Test report . 4

iii
ISO/DIS 18636:2025(en)
Foreword
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in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the different types
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