Leather — Raw hides — Guidelines for preservation of hides

This document defines various preservation methods for raw hides. These preservation methods are intended to suppress microbiological activity and to maintain the quality and commercial value of the hides during storage. This document applies to all raw hides of cattle and horses.

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General Information

Status
Published
Publication Date
14-May-2020
Current Stage
6060 - International Standard published
Start Date
11-May-2020
Due Date
14-Mar-2020
Completion Date
15-May-2020
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ISO 22244:2020 - Leather -- Raw hides -- Guidelines for preservation of hides
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INTERNATIONAL ISO
STANDARD 22244
First edition
2020-05
Leather — Raw hides — Guidelines for
preservation of hides
Reference number
ISO 22244:2020(E)
©
ISO 2020

---------------------- Page: 1 ----------------------
ISO 22244:2020(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO 2020
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
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2020 – All rights reserved

---------------------- Page: 2 ----------------------
ISO 22244:2020(E)

Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Characteristics of salt and auxiliary substances used in preservation processes .1
4.1 Characteristics of salt . 1
4.2 Quantity of salt . 1
4.3 Auxiliary chemicals and preservation mixtures. 2
5 Preservation methods of hides . 2
5.1 General . 2
5.2 Drying . 2
5.3 Wet salting . 3
5.4 Dry salting . 3
5.5 Brining . 3
5.6 Chilling . 3
© ISO 2020 – All rights reserved iii

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ISO 22244:2020(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 prepared by Technical Committee ISO/TC 120, Leather, Subcommittee SC 1, Raw
hides and skins, including pickled pelts.
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 2020 – All rights reserved

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ISO 22244:2020(E)

Introduction
This document has been developed to define processes of preservation that lead to higher quality
of preserved hides. Such preserved hides are subsequently subjected to further treatments for
manufacturing of leather and eventually for production of leather goods.
This document has indicated preservation procedures that should be followed to prevent either of the
following situations:
— conditions occurring through the preservation treatments which affect the processability of hides;
— various defects that can form on hides due to inadequate preservation conditions and during the
period of storage and delivery to users.
© ISO 2020 – All rights reserved v

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INTERNATIONAL STANDARD ISO 22244:2020(E)
Leather — Raw hides — Guidelines for preservation of hides
1 Scope
This document defines various preservation methods for raw hides. These preservation methods are
intended to suppress microbiological activity and to maintain the quality and commercial value of the
hides during storage.
This document applies to all raw hides of cattle and horses.
2 Normative references
There are no normative references in this document.
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https:
...

DRAFT INTERNATIONAL STANDARD
ISO/DIS 22244
ISO/TC 120/SC 1 Secretariat: BIS
Voting begins on: Voting terminates on:
2018-08-08 2018-10-31
Leather — Raw Hides — Guidelines for Preservation of
Hides
Titre manque
ICS: 59.140.20
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENT AND APPROVAL. IT IS
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,
This document is circulated as received from the committee secretariat.
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 number
NATIONAL REGULATIONS.
ISO/DIS 22244:2018(E)
RECIPIENTS OF THIS DRAFT ARE INVITED
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
©
PROVIDE SUPPORTING DOCUMENTATION. ISO 2018

---------------------- Page: 1 ----------------------
ISO/DIS 22244:2018(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO 2018
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
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2018 – All rights reserved

---------------------- Page: 2 ----------------------
ISO/DIS 22244:2018(E)

Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Terms and Definitions . 1
3 Specifications of salt and auxiliary substances used in preservation processes .1
3.1 Technical specifications of salt . 1
3.2 Quantity of salt . 1
3.3 Auxiliary chemicals and preservation mixtures. 1
4 Preservation methods of hides . 2
4.1 Drying . 2
4.2 Wet salting . 2
4.3 Dry salting . 3
4.4 Brining . 3
4.5 Chilling . 3
© ISO 2018 – All rights reserved iii

---------------------- Page: 3 ----------------------
ISO/DIS 22244:2018(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. 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
The committee responsible for this document is ISO/TC 120/SC 1.
iv © ISO 2018 – All rights reserved

---------------------- Page: 4 ----------------------
ISO/DIS 22244:2018(E)

Introduction
This guideline has been developed to define processes of preservation that lead to higher quality
of preserved hides. Such preserved hides are subsequently subjected to further treatments for
manufacturing of leather and eventually for production of leather goods.
This guideline has indicated preservation procedures that need to be followed to prevent any of the
following situations:
— conditions occurring through the preservation treatments which affect the processability of hides,
— various defects that may be formed on hides during inadequate preservation conditions and during
the period of storage and delivery to the users.
© ISO 2018 – All rights reserved v

---------------------- Page: 5 ----------------------
DRAFT INTERNATIONAL STANDARD ISO/DIS 22244:2018(E)
Leather — Raw Hides — Guidelines for Preservation of
Hides
1 Scope
This guideline defines various preservation methods for raw hides. The preservation methods are
needed to suppress microbiological activity and to maintain the quality and commercial value of the
hides during storage.
This guideline applies to all ra
...

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