Fibre ropes - General specifications (ISO 9554:2019)

This standard specifies the general characteristics of fibre ropes and their constituent materials. It is intended to be used in conjunction with the standards for the individual types of fibre rope, which cover the physical properties and specific requirements for that particular product type. This document also gives some information on the use of fibre ropes and also on their inspection and retirement criteria. This document does not intend to address all of the safety matters associated with its use.

Faserseile - Allgemeine Festlegungen (ISO 9554:2019)

Dieses Dokument legt die allgemeinen Eigenschaften von Faserseilen sowie der Werkstoffe, aus denen sie hergestellt sind, fest. Sie soll zusammen mit den einzelnen Faserseilnormen, die die physikalischen Eigenschaften und die speziellen Anforderungen für den bestimmten Produkttyp abdecken, angewendet werden.
Dieses Dokument enthält auch einige Angaben über die Verwendung von Faserseilen sowie über deren Überprüfung und Ablegekriterien.
Dieses Dokument beabsichtigt nicht, alle Sicherheitsaspekte im Zusammenhang mit ihrer Verwendung zu behandeln.

Cordages en fibres - Spécifications générales (ISO 9554:2019)

Le présent document spécifie les caractéristiques générales des cordages en fibres et de leurs matières constitutives. Elle est destinée à être utilisée conjointement avec les normes particulières à chaque type de cordage en fibre qui traitent des propriétés physiques et des exigences particulières à chacun des types de produits.
Le présent document donne en outre quelques indications sur l'utilisation des cordages en fibres, ainsi que sur leur inspection et les critères de réforme.
Le présent document n'a pas pour objectif d'aborder toutes les questions de sécurité liées à son utilisation.

Vlaknene vrvi - Splošne zahteve (ISO 9554:2019)

Ta standard določa splošne lastnosti vlaknenih vrvi in njihovih sestavnih materialov. Namenjen je za uporabo skupaj s standardi za posamezne vrste vlaknenih vrvi, ki zajemajo fizične lastnosti in specifične zahteve za to konkretno vrsto izdelka. Ta dokument tudi navaja nekaj informacij o uporabi vlaknenih vrvi in tudi o merilih za preverjanje in umik vrvi. Ta dokument ni namenjen obravnavi vseh varnostnih zadev, ki se navezujejo na njegovo uporabo.

General Information

Status
Published
Public Enquiry End Date
02-Dec-2018
Publication Date
22-Sep-2019
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
17-Sep-2019
Due Date
22-Nov-2019
Completion Date
23-Sep-2019

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SLOVENSKI STANDARD
SIST EN ISO 9554:2019
01-november-2019
Nadomešča:
SIST EN ISO 9554:2011
Vlaknene vrvi - Splošne zahteve (ISO 9554:2019)
Fibre ropes - General specifications (ISO 9554:2019)
Faserseile - Allgemeine Festlegungen (ISO 9554:2019)
Cordages en fibres - Spécifications générales (ISO 9554:2019)
Ta slovenski standard je istoveten z: EN ISO 9554:2019
ICS:
59.080.50 Vrvi Ropes
SIST EN ISO 9554:2019 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 9554:2019
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SIST EN ISO 9554:2019
EN ISO 9554
EUROPEAN STANDARD
NORME EUROPÉENNE
September 2019
EUROPÄISCHE NORM
ICS 59.080.50 Supersedes EN ISO 9554:2010
English Version
Fibre ropes - General specifications (ISO 9554:2019)

Cordages en fibres - Spécifications générales (ISO Faserseile - Allgemeine Festlegungen (ISO 9554:2019)

9554:2019)
This European Standard was approved by CEN on 7 July 2019.

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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,

Poland, Portugal, Republic of North Macedonia, 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: Rue de la Science 23, B-1040 Brussels

© 2019 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 9554:2019 E

worldwide for CEN national Members.
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SIST EN ISO 9554:2019
EN ISO 9554:2019 (E)
Contents Page

European foreword ....................................................................................................................................................... 3

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SIST EN ISO 9554:2019
EN ISO 9554:2019 (E)
European foreword

This document (EN ISO 9554:2019) has been prepared by Technical Committee ISO/TC 38 "Textiles" in

collaboration with Technical Committee CEN/TC 248 “Textiles and textile products” the secretariat of

which is held by BSI.

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 March 2020, and conflicting national standards shall

be withdrawn at the latest by March 2020.

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CEN shall not be held responsible for identifying any or all such patent rights.

This document supersedes EN ISO 9554:2010.

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, France, Germany, Greece, Hungary, Iceland,

Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of

North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the

United Kingdom.
Endorsement notice

The text of ISO 9554:2019 has been approved by CEN as EN ISO 9554:2019 without any modification.

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SIST EN ISO 9554:2019
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SIST EN ISO 9554:2019
INTERNATIONAL ISO
STANDARD 9554
Fourth edition
2019-07
Fibre ropes — General specifications
Cordages en fibres — Spécifications générales
Reference number
ISO 9554:2019(E)
ISO 2019
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SIST EN ISO 9554:2019
ISO 9554:2019(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2019

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 2019 – All rights reserved
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SIST EN ISO 9554:2019
ISO 9554:2019(E)
Contents Page

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

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

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

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

4 Manufacture .............................................................................................................................................................................................................. 2

4.1 Constituent materials ........................................................................................................................................................................ 2

4.2 Construction and structure .......................................................................................................................................................... 2

4.2.1 Laid ropes .............................................................................................................................................................................. 2

4.2.2 Braided ropes ..................................................................................................................................................................... 2

4.2.3 Double-braided ropes .................................................................................................................................................. 2

4.2.4 Covered ropes ..................................................................................................................................................................... 3

4.2.5 Strands ...................................................................................................................................................................................... 3

4.2.6 Lay length or braid pitch ........................................................................................................................................... 3

4.3 Treatment .................................................................................................................................................................................................... 3

4.3.1 Polyamide and polyester ropes ........................................................................................................................... 3

4.3.2 Polypropylene and polyethylene ropes ........................................................................................................ 3

4.3.3 High modulus polyethylene ropes .................................................................................................................... 4

4.3.4 Manila and sisal ................................................................................................................................................................ 4

4.4 Workmanship ........................................................................................................................................................................................... 4

5 Rope design ................................................................................................................................................................................................................ 5

6 Requirements .......................................................................................................................................................................................................... 5

7 Marking and labelling ..................................................................................................................................................................................... 6

7.1 Marking ......................................................................................................................................................................................................... 6

7.1.1 General...................................................................................................................................................................................... 6

7.1.2 Ropes of reference number less than 14 ..................................................................................................... 6

7.1.3 Ropes of reference number equal to or greater than 14 ............................................................... 6

7.2 Labelling ....................................................................................................................................................................................................... 6

8 Packaging, invoicing and delivered length ................................................................................................................................ 6

8.1 Packaging and invoicing .................................................................................................................................................................. 6

8.2 Delivered length ..................................................................................................................................................................................... 7

8.2.1 Standard delivered length ........................................................................................................................................ 7

8.2.2 Shorter delivered length due to sampling .................................................................................................. 7

9 Testing ............................................................................................................................................................................................................................. 7

10 Visual quality control ...................................................................................................................................................................................... 7

10.1 Responsibility for inspection ...................................................................................................................................................... 7

10.2 Finished-rope visual control ....................................................................................................................................................... 8

11 Manufacturer declaration ........................................................................................................................................................................... 8

12 Instructions for use ........................................................................................................................................................................................... 8

Annex A (informative) Typical characteristics of the yarns for man-made and natural fibres

used in ropes, slings and netting ......................................................................................................................................................... 9

Annex B (informative) Information on defects and variances ................................................................................................14

Annex C (informative) Information for use and maintenance to be provided by the

manufacturer ........................................................................................................................................................................................................16

Annex D (informative) Determining minimum breaking strength ....................................................................................28

Bibliography .............................................................................................................................................................................................................................38

© ISO 2019 – All rights reserved iii
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SIST EN ISO 9554:2019
ISO 9554:2019(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 38, Textiles.

This fourth edition cancels and replaces the third edition (ISO 9554:2010), which has been technically

revised. The main changes compared to the previous edition are as follows:

— methodology for rope design and strength realization factor has been introduced;

— strand interchanges have been introduced;
— Table A.1 has been updated;
— Annex C has been updated.

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 2019 – All rights reserved
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SIST EN ISO 9554:2019
INTERNATIONAL STANDARD ISO 9554:2019(E)
Fibre ropes — General specifications

IMPORTANT — It is the responsibility of the user to select a rope that is fit for purpose, i.e. of the

right size and with the physical properties that meet the requirements of the application and to

determine the limitations prior to its use.
1 Scope

This document specifies the general characteristics of fibre ropes and their constituent materials. It

is intended to be used in conjunction with the standards for the individual types of fibre rope, which

cover the physical properties and specific requirements for that particular product type.

This document also gives some information on the use of fibre ropes and also on their inspection and

retirement criteria.

This document does not intend to address all of the safety matters associated with its use.

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 1968, Fibre ropes and cordage — Vocabulary

ISO 2307, Fibre ropes — Determination of certain physical and mechanical properties

3 Terms and definitions

For the purposes of this document, the terms and definitions given in ISO 1968 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
strand interchange

overlapping continuation, in a braided rope, of a single interrupted strand (or multiple strand) with

another identical strand which follows an identical path in the braid
3.2
minimum breaking strength
MBS

force a fibre rope shall at least achieve when tested following a recognized procedure/test method

Note 1 to entry: The MBS is set by each manufacturer, as per their own internal statistical methods based on

breaking tests. In Annex D, two statistical methods are given that can be used to determine the MBS.

© ISO 2019 – All rights reserved 1
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SIST EN ISO 9554:2019
ISO 9554:2019(E)
4 Manufacture
4.1 Constituent materials
The following materials are considered in this document:
a) natural fibres:
— sisal;
— manila;
— hemp;
— cotton.
b) man-made fibres:
— polyamide, PA;
— polyester, PES;
— polypropylene, PP;
— polyethylene, PE;
— mixed polyolefin, PP/PE;
— polyester/polyolefin dual fibres;
— high modulus polyethylene, HMPE;
— Para-Aramid, AR;
— Polyarylate, LCP;
— Polybenzobisoxazole, PBO.

Typical characteristics for these materials are given in Annex A. Specific applications should involve

technical discussions with rope manufacturers.
4.2 Construction and structure
4.2.1 Laid ropes

Unless otherwise specified, 3-, 4- and 6-strand laid ropes shall be Z-twist (right-hand lay), their strands

S-twist and their roping yarns Z-twist.
4.2.2 Braided ropes

The 8-strand braided ropes shall consist of four S-twist strands and four Z-twist strands arranged so

that S-twist strands alternate (individually or in pairs) with Z-twist strands (individually or in pairs).

The 12-strand braided ropes shall consist of six S-twist strands and six Z-twist strands arranged so

that S-twist strands alternate (individually or in pairs) with Z-twist strands (individually or in pairs).

4.2.3 Double-braided ropes

A double-braided rope shall consist of a number of strands that are braided to form a core, around

which additional strands are braided to form a sheath. The core lies coaxially within the sheath. The

number of strands varies, based upon the size of the rope.
2 © ISO 2019 – All rights reserved
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SIST EN ISO 9554:2019
ISO 9554:2019(E)
4.2.4 Covered ropes

A covered rope consists of a core protected by a non-load bearing cover. A parallel rope construction is

a covered rope where the core consists of a number of sub-ropes.
4.2.5 Strands

Each strand shall consist of an equal number of rope yarns sufficient to provide the characteristics

specified in the International Standard for the relevant product. For ropes of reference number 36 or

higher, the number of yarns in each strand may differ by one yarn or ±2,5 % from the intended number

of yarns in the strand.

The ropes and their strands should be continuous, without splice for standard delivered lengths or

shorter lengths. However, some lengths or methods of manufacture impose limitations. To overcome

these limitations, strand interchanges can be used, these shall be in accordance with 4.4.3.

Yarns may be joined as necessary.
The strands can be assembled yarns.
4.2.6 Lay length or braid pitch

The manufacturer shall establish the lay length or the braid pitch of the rope according to its intended

use, or based upon the purchaser's acceptance.

NOTE For a given reference number of rope, the smaller the lay length or braid pitch, the harder the rope

will be. This hardness can affect the estimated breaking strength of the rope.
4.3 Treatment
4.3.1 Polyamide and polyester ropes

4.3.1.1 Polyamide and polyester laid ropes that are required to be heat set to ensure lay and

dimensional stability are designated as type 1 ropes in the relevant product standard.

4.3.1.2 In other cases, polyamide and polyester laid ropes that are not required to have a heat setting

on the rope are designated as type 2 ropes in the relevant product standard.

If type 1 or 2 are not specified in a particular product standard, it shall be understood that heat setting

is not considered for that particular product.

4.3.1.3 The fibre producer or the rope manufacturer may apply a finish to the fibre to control friction,

fibre tension and reduce fibre damage during manufacturing. The total amount of additives or extractable

materials shall not exceed 2,5 % in mass.

4.3.1.4 Upon request of the purchaser, the manufacturer may use a coating or impregnation of the

product for special applications.
4.3.2 Polypropylene and polyethylene ropes

Polypropylene and polyethylene ropes shall be protected against deterioration due to sunlight (UV).

The inhibiting system used should ensure the expected performance in usage under the foreseen

geographical areas for applications, provided that the manufacturer is kept informed by the user.

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SIST EN ISO 9554:2019
ISO 9554:2019(E)
4.3.3 High modulus polyethylene ropes
4.3.3.1 High modulus polyethylene ropes are typically coated.

4.3.3.2 High modulus polyethylene ropes may be subject to a heat setting process. Heat set ropes of

HMPE are designated as type 1 ropes in the relevant product standard.

4.3.3.3 High modulus polyethylene ropes which have not been heat set are designated as type 2 ropes

in the relevant product standard.

Heat setting usually enhances the breaking strength of a high modulus polyethylene rope. However, the

overall life time of the rope may be decreased.
4.3.4 Manila and sisal
4.3.4.1 General
All ropes of manila and of sisal shall be made exclusively of new fibres.
4.3.4.2 Manila

A cordage oil lubricant of suitable quality shall be applied. The lubricant shall not impart an offensive

odour to the finished rope. The percentage of extractable matter based on the dry weight of the rope

shall not be less than 11,5 % nor more than 16,5 %.
When specified, the rope shall have a mildew-resistant treatment.

Anti-bacterial additives for manila may be added to extend the performance of the natural fibre when

requested by the purchaser.
4.3.4.3 Sisal

A cordage oil lubricant of suitable quality shall be applied. The lubricant shall not impart an offensive

odour to the finished rope. The percentage of extractable matter based on the dry weight of the rope

shall not be more than 11,5 % for an un-oiled product and not more than 16,5 % for an oiled product.

When specified, the rope shall be free from any oils and sold as un-oiled rope.

Anti-bacterial additives for sisal may be added to extend the performance of the natural fibre when

requested by the purchaser.
4.4 Workmanship

4.4.1 The finished rope shall contain no cuts, kinks or soft spots caused by change in lay or pitch length,

hockles, chafed or damaged sections, or broken, loose or projecting ends in the rope or the strands.

4.4.2 The unspliced ends of all ropes shall be cut off squarely and shall be securely whipped, taped or

heat-sealed.

4.4.3 Strand interchanges, when present in 12-strand ropes or sub ropes, shall be staggered along the

length of the rope and at sufficient distance apart. The interrupted and replacement strands are arranged

4 © ISO 2019 – All rights reserved
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SIST EN ISO 9554:2019
ISO 9554:2019(E)

in parallel over some distance and are buried or tucked into the braid so as to secure them into the braid.

To maintain strength, the strands shall overlap one another for a sufficient distance.

A test sample including a strand interchange in one strand shall achieve 100 % of the specified minimum

breaking strength (MBS) when tested in accordance with ISO 2307.

NOTE For strand interchanges in double braid ropes, see the relevant product standard.

The process of strand interchange shall be completely documented. Documentation shall contain at

least the following information and shall be available to an inspector upon request:

— length of one strand interchange;
— minimum distance between two strand interchanges;
— total length of the strand interchange;
— positions of the strand interchanges from beginning to end in the rope.

If required, every splice of a strand/part shall be permanently marked (for example by paint) on the

rope in order to enable early detection of a strand interchange slipping apart, and to distinguish a

strand interchange from damage. Strand interchanges are allowed only in 12-strand braided ropes.

5 Rope design

Ropes of different sizes are considered to be of the same design when the following rope parameters

remain constant across the size range:
a) rope yarn;

b) dimensionless lay of strand is fixed (= lay of strand divided by diameter of the strand);

c) dimensionless lay length or braid pitch is fixed (= lay of rope divided by diameter of the rope);

d) type of equipment used;
e) coating type, pick-up and penetration (when applicable);
f) quality control and splicing.

The design should be reported in a design specification sheet containing general information on the

company, independent inspector, rope design and prototype tests done to validate the design. This

specification should be made available to interested parties on request. See D.3.1.

The details of rope design and prototype tests should be given in a second sheet (see D.3.2). Details of

the fibre used for the design are specified in D.3.3. These last two sheets should be made available for

inspection by independent inspectors on request of interested parties.
6 Requirements

The main requirements shall be those specified in the relevant International Standard for the product

and shall include the following:
a) reference number;
b) linear density;
c) minimum breaking force.
The test methods for b) and c) are specified in ISO 2307.
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SIST EN ISO 9554:2019
ISO 9554:2019(E)

Other requirements, for example the lay length, the braid pitch, the diameter of the circumscribed circle,

and the elongation of the rope under specific tensile conditions, may be specified, subject to agreement

between the manufacturer and the purchaser.
7 Marking and labelling
7.1 Marking
7.1.1 General

The identification of the material, quality and origin of a fibre rope conforming to this document shall

be marked using a tape placed within the article (see 7.1.3) so as to remain recognizable despite soiling,

soaking or discoloration during use.

The tape shall be at least 3 mm wide, and shall be printed with the number of the relevant International

Standard, and a reference identifying the manufacturer. The maximum distance between two

consecutive markings shall be 0,5 m.
7.1.2 Ropes of reference number less than 14
These do not need to be marked, unless specified in a product standard.
7.1.3 Ropes of reference number equal to or greater than 14

A marker tape as defined in 7.1.1 shall be incorporated into the centre of one strand for 3-, 4-, and

8-strand ropes. 12-strand ropes can either have a marker in the centre of one strand or in the centre of

the rope. Double-braided ropes shall have a marker tape in or outside the core.

For covered ropes, the marking tape shall be incorporated between the cover and the core or within

the core.
7.2 Labelling

Each coil shall have a label, which is firmly fixed in place, giving the following information:

— constituent material;
— identification of manufacturer and country of origin;
— reference number;
— delive
...

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