prEN ISO 3379

Leather - Determination of distension and strength of surface (Ball burst method) (ISO/DIS 3379:2023)

ISO 3379:2015 specifies a test method for the determination of distension and strength of the leather grain or finished surface. This method is applicable to all flexible leathers and it is particularly suitable to determine the lastability of leathers for footwear uppers.

Leder - Bestimmung der Narbendehnfähigkeit und ‑bruchkraft (Lastometer-Methode) (ISO/DIS 3379:2023)

Cuir - Détermination de l'extension et de la résistance à la traction de la surface (méthode de la bille) (ISO/DIS 3379:2023)

ISO 3379:2015 spécifie une méthode de détermination de l'extension et de la résistance à la traction de la fleur d'un cuir ou d'une surface finie. Cette méthode est applicable à tous les cuirs souples, et elle est particulièrement adaptée à la détermination de l'aptitude au montage des cuirs pour tiges d'articles chaussants.

Usnje - Ugotavljanje razteznosti in trdnosti površine (metoda s kroglico) (ISO/DIS 3379:2023)

General Information

• Status: Not Published
• Publication Date: 29-Jun-2025
• ICS: 59.140.30 - Leather and furs
• Technical Committee: CEN/TC 289 - Leather
• Drafting Committee: CEN/TC 289/WG 2 - Physical test methods
• Current Stage: 4599 - Dispatch of FV draft to CMC - Finalization for Vote
• Start Date: 10-Jul-2024
• Completion Date: 10-Jul-2024
• Ref Project: oSIST prEN ISO 3379:2024 - Leather - Determination of distension and strength of surface (Ball burst method) (ISO/DIS 3379:2023)

Relations

• Revises: EN ISO 3379:2015 - Leather - Determination of distension and strength of surface (Ball burst method) (ISO 3379:2015)
• Effective Date: 12-Jul-2023

Standards Content (Sample)

SLOVENSKI STANDARD
01-februar-2024
Usnje - Ugotavljanje razteznosti in trdnosti površine (metoda s kroglico) (ISO/DIS
3379:2023)
Leather - Determination of distension and strength of surface (Ball burst method)
(ISO/DIS 3379:2023)
Leder - Bestimmung der Narbendehnfähigkeit und ‑bruchkraft (Lastometer-Methode)
(ISO/DIS 3379:2023)
Cuir - Détermination de l'extension et de la résistance à la traction de la surface
(méthode de la bille) (ISO/DIS 3379:2023)
Ta slovenski standard je istoveten z: prEN ISO 3379
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 3379
IULTCS
IULTCS Secretariat: ISO
Voting begins on: Voting terminates on:
2023-12-04 2024-02-26
Leather — Determination of distension and strength of
surface (Ball burst method)
Cuir — Détermination de l'extension et de la résistance à la traction de la surface (méthode de la bille)
ICS: 59.140.30
This document is circulated as received from the committee secretariat.
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENT AND APPROVAL. IT IS
ISO/CEN PARALLEL PROCESSING
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,
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
Reference numbers
NATIONAL REGULATIONS.
ISO/DIS 3379:2023(E)
RECIPIENTS OF THIS DRAFT ARE INVITED
IULTCS/IUP 9:2023(E)
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
PROVIDE SUPPORTING DOCUMENTATION. © ISO 2023

ISO/DIS 3379:2023(E)
DRAFT INTERNATIONAL STANDARD
ISO/DIS 3379
IULTCS
IULTCS Secretariat: ISO
Voting begins on: Voting terminates on:

Leather — Determination of distension and strength of
surface (Ball burst method)
Cuir — Détermination de l'extension et de la résistance à la traction de la surface (méthode de la bille)
ICS: 59.140.30
This document is circulated as received from the committee secretariat.
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENT AND APPROVAL. IT IS
© ISO 2023
ISO/CEN PARALLEL PROCESSING
THEREFORE SUBJECT TO CHANGE AND MAY
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
NOT BE REFERRED TO AS AN INTERNATIONAL
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on STANDARD UNTIL PUBLISHED AS SUCH.
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
IN ADDITION TO THEIR EVALUATION AS
or ISO’s member body in the country of the requester. BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
ISO copyright office
USER PURPOSES, DRAFT INTERNATIONAL
CP 401 • Ch. de Blandonnet 8
STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
CH-1214 Vernier, Geneva
POTENTIAL TO BECOME STANDARDS TO
Phone: [phone]
WHICH REFERENCE MAY BE MADE IN
Reference numbers
Email: [e-mail]
NATIONAL REGULATIONS.
Website: www.iso.org ISO/DIS 3379:2023(E)
RECIPIENTS OF THIS DRAFT ARE INVITED
IULTCS/IUP 9:2023(E)
Published in Switzerland
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
ii
PROVIDE SUPPORTING DOCUMENTATION. © ISO 2023

ISO/DIS 3379:2023(E)
IULTCS/IUP 9:2023(E)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 2
5 Apparatus and material . 2
6 Specimen and test pieces preparation . 3
7 Procedure .3
8 Test report . 4
Annex A (informative) Sources of apparatus . 6
iii
ISO/DIS 3379:2023(E)
IULTCS/IUP 9:2023(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.
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 (www.iso.org/directives).
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. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www.iso.org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation on the meaning of ISO specific terms and expressions related to conformity
assessment, as well as information about ISO’s adherence to the WTO principles in the Technical
Barriers to Trade (TBT) see the following URL: Foreword - Supplementary information.
ISO 3379 was prepared by the Physical Test Commission of the International Union of Leather
Technologists and Chemists Societies (IUP Commission, IULTCS) in collaboration with the European
Committee for Standardization (CEN) Technical Committee CEN/TC 289, Leather, the secretariat of
which is held by UNI, 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 third edition cancels and replaces the second edition (ISO 3379:2015), which has been technically
updated as follows:
— the terminology and references are modified so it is in line with ISO 2418:2023;
— clause 6 has been re-arranged to make it easier to follow.
iv
ISO/DIS 3379:2023(E)
DRAFT INTERNATIONAL STANDARD
IULTCS/IUP 9:2023(E)
Leather — Determination of distension and strength of
surface (Ball burst method)
1 Scope
This International Standard specifies a test method for the determination of distension and strength
of the leather grain or finished surface. This method is applicable to all flexible leathers and it is
particul
...