prEN ISO 5403-1
(Main)Leather - Determination of water resistance of flexible leather - Part 1: Repeated linear compression (penetrometer) (ISO/DIS 5403-1:2025)
Leather - Determination of water resistance of flexible leather - Part 1: Repeated linear compression (penetrometer) (ISO/DIS 5403-1:2025)
ISO 5403-1:2011 specifies a method for determining the dynamic water resistance of leather by means of repeated linear compression. It is applicable to all flexible leathers but is particularly suitable for leathers intended for footwear applications.
Leder - Bestimmung der Wasserbeständigkeit von flexiblem Leder - Teil 1: Penetrometerverfahren (ISO/DIS 5403-1:2025)
Cuir - Détermination de l'imperméabilité à l'eau des cuirs souples - Partie 1: Compression linéaire répétée (pénétromètre) (ISO/DIS 5403-1:2025)
L'ISO 5403-1:2011 spécifie une méthode pour déterminer l'imperméabilité dynamique du cuir à l'eau par compression linéaire répétée. Elle s'applique à tous les cuirs souples, mais elle convient particulièrement aux cuirs destinés à l'industrie de la chaussure.
Usnje - Ugotavljanje odpornosti upogljivega usnja proti vodi - 1. del: Ponavljajoča se linearna kompresija (penetrometer) (ISO/DIS 5403-1:2025)
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Standards Content (Sample)
SLOVENSKI STANDARD
01-marec-2025
Usnje - Ugotavljanje odpornosti upogljivega usnja proti vodi - 1. del: Ponavljajoča
se linearna kompresija (penetrometer) (ISO/DIS 5403-1:2025)
Leather - Determination of water resistance of flexible leather - Part 1: Repeated linear
compression (penetrometer) (ISO/DIS 5403-1:2025)
Leder - Bestimmung der Wasserbeständigkeit von flexiblem Leder - Teil 1:
Penetrometerverfahren (ISO/DIS 5403-1:2025)
Cuir - Détermination de l'imperméabilité à l'eau des cuirs souples - Partie 1:
Compression linéaire répétée (pénétromètre) (ISO/DIS 5403-1:2025)
Ta slovenski standard je istoveten z: prEN ISO 5403-1
ICS:
59.140.30 Usnje in krzno Leather and furs
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
DRAFT
International
Standard
ISO/DIS 5403-1
IUP 10-1
IULTCS
Leather — Determination of water
Secretariat: ISO
resistance of flexible leather —
Voting begins on:
Part 1:
2025-01-07
Repeated linear compression
Voting terminates on:
(penetrometer) 2025-04-01
Cuir — Détermination de l'imperméabilité à l'eau des cuirs
souples —
Partie 1: Compression linéaire répétée (pénétromètre)
ICS: 59.140.30; 61.060
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IS THEREFORE SUBJECT TO CHANGE
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Reference number
ISO/DIS 5403-1:2025(en)
IUP 10-1:2025(en)
ISO/DIS 5403-1:2025(en)
IUP 10-1:2025(en)
© ISO 2025
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
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Published in Switzerland
ii
ISO/DIS 5403-1:2025(en)
IUP 10-1:2025(en)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 1
5 Apparatus, reagents and materials . 2
6 Specimen and test piece preparation . 3
7 Procedure . 3
7.1 Determination of stiffness and test amplitude .3
7.2 Determination of penetration time .4
7.3 Determination of water absorption .5
7.4 Determination of water penetration . .5
8 Expression of results . 5
8.1 Penetration time .5
8.2 Water absorption .5
8.3 Water transmission .5
9 Test report . 5
Annex A (informative) Sources of apparatus . 7
iii
ISO/DIS 5403-1:2025(en)
IUP 10-1:2025(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.
ISO 5403 1 was prepared by the European Committee for Standardization (CEN) Technical Committee CEN/
TC 289, Leather, in collaboration with the Physical Test Commission of the International Union of Leather
Technologists and Chemists Societies (IUP Commission, IULTCS), in accordance with the Agreement on
technical cooperation between ISO and CEN (Vienna Agreement).
IULTCS, originally formed in 1897, is a world-wide organization of professional leather societies to further
the advancement of leather science and technology. IULTCS has three Commissions, which are responsible
for establishing international methods for the sampling and testing of leather. ISO recognizes IULTCS as an
international standardizing body for the preparation of test methods for leather
This second edition cancels and replaces the first edition (ISO 5403-1:2011), which has been technically
revised with the following changes:
— align it with the changes and revised terminology in ISO 2418:2023 and ISO 2419:2024;
— modification of the testing conditions (5.3).
ISO 5403 consists of the following parts, under the general title Leather — Determination of water resistance
of flexible leather:
— Part 1: Repeated linear compression (penetrometer)
— Part 2: Repeated angular compression (Maeser).
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.
iv
ISO/DIS 5403-1:2025(en)
DRAFT International Standard
IUP 10-1:2025(en)
Leather — Determination of water resistance of flexible
leather —
Part 1:
Repeated linear compression (penetrometer)
1 Scope
This part of ISO 5403 specifies a method for determining the dynamic water resistance of leather by means
of repeated linear compression. It is applicable to all flexible leathers but is particularly suitable for leathers
intended for footwear applications.
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 2418, Leather — Chemical, physical, mechanical and fastness tests — Position and preparation of specimens
for testing
ISO 2419, Leather — Physical and mechanical tests — Specimen and test piece conditioning
ISO 3696, Water for analytical laboratory use — Specification and test methods
ISO 5402-1, Leather — Determination of flex resistance — Part 1: Flexometer method
ISO 15115, Leather — Vocabulary
EN 15987, Leather — Terminology — Key definitions for the leather trade
3 Terms and definitions
For the purposes of this document, the terms and definitions given in EN 15987 and ISO 15115 apply.
ISO and IEC maintain terminology databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https:// www .iso .org/ obp
— IEC Electropedia: available at https:// www .electropedia .org/
4 Principle
A test piece is formed into the shape of a trough and flexed while partially immersed in water. The time
taken for water to penetrate through the test piece is measured. The method also allows for the percentage
mass of the water absorbed and the mass of the water transmitted through the test piece to be determined.
NOTE This test method uses compression-type flexing, whereas the test method of ISO 5403-2 for water
resistance imparts folding-type flexing on the leather specimens. Given the two completely different flexing actions, it
is not possible to compare the results obtained from the two test methods.
ISO/DIS 5403-1:2025(en)
IUP 10-1:2025(en)
5 Apparatus, reagents and materials
Usual laboratory apparatus is required and, in particular, the following.
5.1 Test machine, including the parts described in 5.1.1 to 5.1.3. (See also Annex A.)
5.1.1 One or more pairs of cylinders, 30,0 mm ± 0,5 mm in diameter, made of inert rigid material,
mounted with their axes horizontal and co-axial. One cylinder shall be fixed and the other moveable along
the direction of its axis such that the maximum separation of the cylinders is 40,0 mm ± 0,5 mm.
5.1.2 Electric motor, which drives the moveable cylinder backwards and forwards along its axis with a
crank motion of 50 cycles/min ± 5 cycles/min and an amplitude of 1,0 mm ± 0,1 mm, 1,50 mm ± 0,15 mm,
2,0 mm ± 0,2 mm or 3,0 mm ± 0,3 mm about its mean position.
NOTE The four amplitudes of the crank motion are such that the test piece is compressed by 5 %, 7,5 %, 10 % or
15 % respectively when the cylinders approach one another.
5.1.3 Tank, made from non-corroding material, holding distilled or deionized water (5.4), in which the
test piece can be partially immersed.
The test machine may also include an electrical circuit that indicates when water has penetrated through
the test piece.
5.2 Ring-shaped clamps, with internal diameter adjustable between 30 mm and 40 mm.
5.3 Press knife, the inner wall of which is a rectangle of 60 mm ± 1 mm × 75 mm ± 1 mm, conforming to
the requirements of ISO 2419.
5.4 Distilled or deionized water, of grade 3 in accordance with ISO 3696.
5.5 Balance, weighing to 0,001 g.
5.6 Timer, accurate to 1 s.
5.7 Abrasive paper, grade P180, as defined in the P-series grit-size standard publishe
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