EN ISO 5403-2:2011

Leather - Determination of water resistance of flexible leather - Part 2: Repeated angular compression (Maeser) (ISO 5403-2:2011)

ISO 5403-2:2011 specifies a method for determining the dynamic water resistance of leather by means of repeated angular compression. It is applicable to all flexible leathers but is particularly suitable for leathers intended for footwear applications. It uses a Maeser-type machine and includes an option for electronic detection.

Leder - Bestimmung der Wasserbeständigkeit von flexiblem Leder - Teil 2: Winkelbiegeverfahren (Maeser) (ISO 5403-2:2011)

Dieses Dokument legt ein Verfahren zur Bestimmung der dynamischen Wasserbeständigkeit durch das
Winkelbiegeverfahren fest. Es gilt für alle flexiblen Leder, von besonderem Interesse ist es jedoch für
Oberleder von Schuhwerk. In dem Verfahren kommt ein Maeser-Apparat zum Einsatz und eine Möglichkeit
zum elektronischen Nachweis ist eingeschlossen.

Cuir - Détermination de l'imperméabilité à l'eau des cuirs souples - Partie 2: Compression angulaire répétée (Maeser) (ISO 5403-2:2011)

L'ISO 5403-2:2011 spécifie une méthode pour déterminer l'imperméabilité dynamique du cuir à l'eau par compression angulaire répétée. Elle s'applique à tous les cuirs souples, mais elle convient particulièrement aux cuirs destinés à l'industrie de la chaussure. Elle utilise un appareil de type Maeser et inclut une option pour la détection électronique.

Usnje - Ugotavljanje odpornosti upogljivega usnja proti vodi - 2. del: Ponavljajoča se kotna kompresija (Maeser) (ISO 5403-2:2011)

Ta del standarda ISO 5403 določa metodo za ugotavljanje dinamične odpornosti usnja proti vodi s ponavljajočo se kotno kompresijo. Uporablja se za vse vrste upogljivega usnja, vendar je še posebno primerna za vrste usnja, namenjene za obutev. Metoda vključuje uporabo stroja tipa Maeser in možnost elektronskega zaznavanja.

General Information

• Status: Published
• Publication Date: 14-Dec-2011
• Withdrawal Date: 29-Jun-2012
• ICS: 59.140.30 - Leather and furs
• ICS: 61.060 - Footwear
• Technical Committee: CEN/TC 289 - Leather
• Drafting Committee: CEN/TC 289/WG 2 - Physical test methods
• Current Stage: 6060 - Definitive text made available (DAV) - Publishing
• Start Date: 15-Dec-2011
• Due Date: 27-Dec-2011
• Completion Date: 15-Dec-2011
• Ref Project: SIST EN ISO 5403-2:2012 - Leather - Determination of water resistance of flexible leather - Part 2: Repeated angular compression (Maeser) (ISO 5403-2:2011)

Overview

EN ISO 5403-2:2011 (ISO 5403-2:2011) specifies a laboratory method for determining the dynamic water resistance of flexible leather by repeated angular compression - commonly known as the Maeser test. The method is applicable to all flexible leathers and is particularly suited to footwear leathers. Test specimens are folded into V-shaped clamps on a Maeser-type machine, immersed in water (or electrolyte for electronic detection) and flexed until water penetration occurs.

Key topics and technical requirements

• Test principle: Repeated angular (folding-type) compression of a folded leather specimen until first sign of water penetration; results reported as number of flex cycles.
• Apparatus: Maeser-type machine with V-shaped clamps set 63 mm ± 3 mm apart; clamp V internal angle 31° ± 1°; internal tip radius 7.5 mm ± 0.5 mm; pivot located 54.0 mm ± 0.5 mm above clamp tip; flexing angle 32° ± 2°; flexing frequency (90 ± 5) cycles/min.
• Specimens: Two square specimens, at least 100 mm × 100 mm; fold orientation marked relative to principal material direction; edges may be sealed with rubber solution if wicking is a concern.
• Media: Distilled or deionized water (ISO 3696 grade 3) at (20 ± 5) °C; for electronic detection use 1 g/l NaCl electrolyte.
• Electronic detection (optional): Uses stainless steel balls (~3 mm) and a high-potential electrode; test is stopped when resistance falls below 50 000 Ω.
• Pre-treatments: Optional light abrasion (P180 abrasive, weighted to ~1.0 kg) to simulate wear; alternative pre-flexing using ISO 5402-1 may be appropriate for some leathers.
• Measurements: Count cycles to penetration (continuous observation or electronic stop). Water penetration usually appears at the ends of the centre fold.

Applications and users

• Footwear manufacturers assessing upper and lining leathers for dynamic water resistance under flexing conditions.
• Leather testing laboratories performing standardized quality control, batch acceptance and comparative performance assessments.
• R&D teams developing finishes, coatings or leather constructions that improve flexing water resistance.
• Procurement and compliance professionals specifying material performance for outdoor, work, or safety footwear.

Related standards and notes

• Part of the ISO 5403 series; see ISO 5403-1 (repeated linear compression - penetrometer). Results from Part 1 and Part 2 are not comparable due to different flexing actions.
• Normative references used: ISO 2418 (sampling), ISO 2419 (sample preparation/conditioning), ISO 3696 (water for lab use).
• Keywords: EN ISO 5403-2:2011, Maeser test, repeated angular compression, leather water resistance test, dynamic water resistance, footwear leather testing.

Standards Content (Sample)

SLOVENSKI STANDARD
01-marec-2012
8VQMH8JRWDYOMDQMHRGSRUQRVWLXSRJOMLYHJDXVQMDSURWLYRGLGHO3RQDYOMDMRþD
VHNRWQDNRPSUHVLMD0DHVHU,62
Leather - Determination of water resistance of flexible leather - Part 2: Repeated angular
compression (Maeser) (ISO 5403-2:2011)
Leder - Bestimmung der Wasserbeständigkeit von flexiblem Leder - Teil 2:
Winkelbiegeverfahren (ISO 5403-2:2011)
Cuir - Détermination de l'imperméabilité à l'eau des cuirs souples - Partie 2:
Compression angulaire répétée (Maeser) (ISO 5403-2:2011)
Ta slovenski standard je istoveten z: EN ISO 5403-2:2011
ICS:
59.140.30 Usnje in krzno Leather and furs
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN ISO 5403-2
NORME EUROPÉENNE
EUROPÄISCHE NORM
December 2011
ICS 59.140.30; 61.060
English Version
Leather - Determination of water resistance of flexible leather -
Part 2: Repeated angular compression (Maeser) (ISO 5403-
2:2011)
Cuir - Détermination de l'imperméabilité à l'eau des cuirs Leder - Bestimmung der Wasserbeständigkeit von
souples - Partie 2: Compression angulaire répétée flexiblem Leder - Teil 2: Winkelbiegeverfahren (ISO 5403-
(Maeser) (ISO 5403-2:2011) 2:2011)
This European Standard was approved by CEN on 14 December 2011.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European
Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national
standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same
status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland,
Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland  and United Kingdom.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2011 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 5403-2:2011: E
worldwide for CEN national Members.

Contents Page
Foreword .3
Foreword
This document (EN ISO 5403-2:2011) has been prepared by Technical Committee CEN/TC 289 “Leather”, the
secretariat of which is held by UNI, in collaboration with the International Union of Leather Technologists and
Chemists Societies.
This European Standard shall be given the status of a national standard, either by publication of an identical
text or by endorsement, at the latest by June 2012, and conflicting national standards shall be withdrawn at
the latest by June 2012.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom
INTERNATIONAL ISO
STANDARD 5403-2
IULTCS/IUP
10-2
First edition
2011-12-15
Leather — Determination of water
resistance of flexible leather —
Part 2:
Repeated angular compression (Maeser)
Cuir — Détermination de l'imperméabilité à l'eau des cuirs souples —
Partie 2: Compression angulaire répétée (Maeser)

Reference number
ISO 5403-2:2011(E)
IULTCS/IUP 10-2:2011(E)
©
ISO 2011
ISO 5403-2:2011(E)
IULTCS/IUP 10-2:2011(E)
©  ISO 2011
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means,
electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or
ISO's member body in the country of the requester.
ISO copyright office
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Tel. + 41 22 749 01 11
Fax + 41 22 749 09 47
E-mail [e-mail]
Web www.iso.org
Published in Switzerland
ii © ISO 2011 – All rights reserved

ISO 5403-2:2011(E)
IULTCS/IUP 10-2:2011(E)
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.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards
adopted by the technical committees are circulated to the member bodies for voting. Publication as an
International Standard requires approval by at least 75 % of the member bodies casting a vote.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO 5403-2 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.
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)

ISO 5403-2:2011(E)
INTERNATIONAL STANDARD
IULTCS/IUP 10-2:2011(E)
Leather — Determination of water resistance of flexible
leather —
Part 2:
Repeated angular compression (Maeser)
1 Scope
This part of ISO 5403 specifies a method for determining the dynamic water resistance of leather by means of
repeated angular compression. It is applicable to all flexible leathers but is particularly suitable for leathers
intended for footwear applications. It uses a Maeser-type machine and includes an option for electronic
detection.
2 Normative references
The following referenced documents are indispensable for the application 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 and mechanical and fastness tests — Sampling location
ISO 2419, Leather — Physical and mechanical tests — Sample preparation and conditioning
ISO 3696:1987, Water for analytical laboratory use — Specification and test methods
3 Principle
A square test specimen is folded and secured in two V-shaped clamps which have closed ends so as to form
a trough. The trough is then immersed in water and the clamp at one end oscillates at a constant speed so
that the specimen is repeatedly flexed. The test is stopped at the first sign of water penetration through the
test specimen or by means of electronic detection.
NOTE This test method uses folding-type flexing, whereas the test method of ISO 5403-1 for water resistance
imparts compression-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.
4 Apparatus, reagents and materials
Usual laboratory apparatus is required and, in particular, the following.
4.1 Maeser-type machine, whith one or more pairs of V-shaped clamps, which are set 63 mm  3 mm
apart in the same horizontal plane, into which the test specimen can be clamped.
4.1.1 Each clamp shall have two parts as described in 4.1.1.1 and 4.1.1.2.
4.1.1.1 An outer part comprising a “V” form with an internal angle of 31°  1°, an internal tip radius of
7,5 mm  0,5 mm and a closed back to the “V” which is impermeable to water.
ISO 5403-2:2011(E)
IULTCS/IUP 10-2:2011(E)
4.1.1.2 An inner part having the shape and size that shall complement the outer part.
4.1.2 One clamp is stationary.
4.1.3 One clamp shall pivot about a point X which is midway (31,5 mm  1,5 mm) between the clamps such
that the lower end of the clamps move together (see Figure 1).
4.1.4 The pivot point X (see Figure 1) shall be 54,0 mm  0,5 mm above th
...