EN ISO 2420:2017

SLOVENSKI STANDARD
01-maj-2017
1DGRPHãþD
SIST EN ISO 2420:2003
Usnje - Fizikalni in mehanski preskusi - Ugotavljanje prave gostote in mase na
enoto površine (ISO 2420:2017)
Leather - Physical and mechanical tests - Determination of apparent density and mass
per unit area (ISO 2420:2017)
Leder - Physikalische und mechanische Prüfungen - Bestimmung der Rohdichte und der
flächenbezogenen Masse (ISO 2420:2017)
Cuir - Essais physiques et mécaniques - Détermination de la masse volumique
apparente (ISO 2420:2017)
Ta slovenski standard je istoveten z: EN ISO 2420:2017
ICS:
59.140.30 Usnje in krzno Leather and furs
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 2420
EUROPEAN STANDARD
NORME EUROPÉENNE
February 2017
EUROPÄISCHE NORM
ICS 59.140.30 Supersedes EN ISO 2420:2002
English Version
Leather - Physical and mechanical tests - Determination of
apparent density and mass per unit area (ISO 2420:2017)
Cuir - Essais physiques et mécaniques - Détermination Leder - Physikalische und mechanische Prüfungen -
de la masse volumique apparente et de la masse Bestimmung der Rohdichte und der flächenbezogenen
surfacique (ISO 2420:2017) Masse (ISO 2420:2017)
This European Standard was approved by CEN on 21 December 2016.

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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2017 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 2420:2017 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO 2420:2017) has been prepared by Technical Committee IULTCS "International
Union of Leather Technologists and Chemists Societies" in collaboration with Technical Committee
CEN/TC 289 “Leather” the secretariat of which is held by UNI.
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 August 2017, and conflicting national standards shall
be withdrawn at the latest by August 2017.
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.
This document supersedes EN ISO 2420:2002.
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, Former Yugoslav Republic of Macedonia,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,
Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
Endorsement notice
The text of ISO 2420:2017 has been approved by CEN as EN ISO 2420:2017 without any modification.

INTERNATIONAL ISO
STANDARD 2420
IULTCS/IUP 5
Third edition
2017-02
Leather — Physical and mechanical
tests — Determination of apparent
density and mass per unit area
Cuir — Essais physiques et mécaniques — Détermination de la masse
volumique apparente et de la masse surfacique
Reference numbers
ISO 2420:2017(E)
IULTCS/IUP 5:2017(E)
©
ISO 2017
ISO 2420:2017(E)
IULTCS/IUP 5:2017(E)
© ISO 2017, Published in Switzerland
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form
or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior
written permission. Permission can be requested from either ISO at the address below or ISO’s member body in the country of
the requester.
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ii © ISO 2017 – All rights reserved

ISO 2420:2017(E)
IULTCS/IUP 5:2017(E)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 1
5 Apparatus . 1
6 Sampling and sample preparation . 2
7 Procedure. 2
7.1 Test conditions . 2
7.2 Measurement of thickness . 2
7.3 Measurement of dimensions . 2
7.4 Measurement of mass . 3
8 Expression of results . 3
8.1 Apparent density . 3
8.2 Mass per unit area . 4
9 Test report . 4
ISO 2420:2017(E)
IULTCS/IUP 5:2017(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 l
...