Plywood — Classification by surface appearance — Part 4: Palm-plywood

This document specifies the nature and limits of characteristics inherent in palm-plywood and manufacturing defects enabling the visual assessment of the plywood for allocation to an appearance class. This document applies to palm-plywood, the surface veneers of which are made from oil palm trunk.

Contreplaqué — Classification selon l'aspect des faces — Partie 4: Contreplaqué de palmier

General Information

Status
Published
Publication Date
18-Sep-2018
Technical Committee
Drafting Committee
Current Stage
6060 - International Standard published
Start Date
19-Sep-2018
Completion Date
19-Sep-2018
Ref Project

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ISO 2426-4:2018 - Plywood -- Classification by surface appearance
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INTERNATIONAL ISO
STANDARD 2426-4
First edition
2018-09
Plywood — Classification by surface
appearance —
Part 4:
Palm-plywood
Contreplaqué — Classification selon l'aspect des faces —
Partie 4: Contreplaqué de palmier
Reference number
ISO 2426-4:2018(E)
ISO 2018
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ISO 2426-4:2018(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

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below or ISO’s member body in the country of the requester.
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Published in Switzerland
ii © ISO 2018 – All rights reserved
---------------------- Page: 2 ----------------------
ISO 2426-4:2018(E)
Contents  Page

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

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

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

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

4  Classification by surface appearance .............................................................................................................................................. 2

4.1 Appearance classes ............................................................................................................................................................................. 2

4.2 Permissible characteristics and defects ............................................................................................................................ 2

4.2.1 General...................................................................................................................................................................................... 2

4.2.2 Characteristics inherent in palm-plywood ................................................................................................ 2

4.2.3 Manufacturing defects ................................................................................................................................................ 4

© ISO 2018 – All rights reserved iii
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ISO 2426-4:2018(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 (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 89, Wood-based panels, Subcommittee

SC 3, Plywood.
A list of all parts in the ISO 2426 series can be found on the ISO website.

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 2018 – All rights reserved
---------------------- Page: 4 ----------------------
INTERNATIONAL STANDARD ISO 2426-4:2018(E)
Plywood — Classification by surface appearance —
Part 4:
Palm-plywood
1  Scope

This document specifies the nature and limits of characteristics inherent in palm-plywood

and manufacturing defects enabling the visual assessment of the plywood for allocation to an

appearance class.

This document applies to palm-plywood, the surface veneers of which are made from oil palm trunk.

2  Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements 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 2074, Plywood — Vocabulary
ISO 2426-1, Plywood — Classification by surface appearance — Part 1: General
3  Terms and definitions

For the purposes of this document, the terms and definitions given in ISO 2074 and the following apply.

ISO and IEC maintain terminological databases for use in standardization at the following addresses:

— ISO Online browsing platform: available at https: //www .iso .org/obp
— IEC Electropedia: available at http: //www .electropedia .org/
3.1
oil palm trunk
log
...

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