Leather — Wet blue sheep skins — Specification

This document specifies requirements, sampling methods and testing methods for wet blue leather produced from sheep skins tanned without wool and with the use of basic chromium sulfate as the primary tanning agent.

Cuir — Peaux d'ovins à l'état «bleu humide» — Spécifications

General Information

Status
Published
Publication Date
17-Nov-2022
Current Stage
6060 - International Standard published
Due Date
09-Aug-2022
Completion Date
18-Nov-2022
Ref Project

RELATIONS

Buy Standard

Standard
ISO 5432:2022 - Leather — Wet blue sheep skins — Specification Released:18. 11. 2022
English language
5 pages
sale 15% off
Preview
sale 15% off
Preview

Standards Content (sample)

INTERNATIONAL ISO
STANDARD 5432
Third edition
2022-11
Leather — Wet blue sheep skins —
Specification
Cuir — Peaux d'ovins à l'état «bleu humide» — Spécifications
Reference number
ISO 5432:2022(E)
© ISO 2022
---------------------- Page: 1 ----------------------
ISO 5432:2022(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2022

All rights reserved. Unless otherwise specified, or required in the context of its implementation, 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.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
© ISO 2022 – All rights reserved
---------------------- Page: 2 ----------------------
ISO 5432:2022(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ..................................................................................................................................................................................... 1

3 Terms and definitions .................................................................................................................................................................................... 1

4 Requirements .......................................................................................................................................................................................................... 2

4.1 Raw material ............................................................................................................................................................................................ 2

4.2 Tanning .......................................................................................................................................................................................................... 2

4.3 Fungicidal additives ........................................................................................................................................................................... 2

4.4 Presentation .............................................................................................................................................................................................. 2

4.5 Shrinkage temperature .................................................................................................................................................................. 2

4.6 Chemical requirements ........................................................................................................................................... ........................ 2

5 Sampling ....................................................................................................................................................................................................................... 3

5.1 Sampling for routine testing ...................................................................................................................................................... 3

5.2 Sampling in cases of dispute ...................................................................................................................................................... 3

5.3 Preparation of samples ................................................................................................................................................................... 3

6 Method of testing ................................................................................................................................................................................................. 3

6.1 Visual tests ................................................................................................................................................................................................. 3

6.2 Shrinkage temperature .................................................................................................................................................................. 3

6.3 Volatile matter ........................................................................................................................................................................................ 4

6.4 pH of the water extract ................................................................................................................................................................... 4

6.5 Effectiveness of the fungicide ................................................................................................................................................... 4

6.6 Determination of matter soluble in dichloromethane ........................................................................................ 4

7 Packaging and Marking ................................................................................................................................................................................ 4

7.1 Packaging .................................................................................................................................................................................................... 4

7.2 Marking ......................................................................................................................................................................................................... 4

Bibliography ................................................................................................................................................................................................................................ 5

iii
© ISO 2022 – All rights reserved
---------------------- Page: 3 ----------------------
ISO 5432:2022(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 (see 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 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.
This document was
...

Questions, Comments and Discussion

Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.