IEC 60684-3-247:2019

Flexible insulating sleeving - Part 3: Specifications for individual types of sleeving - Sheet 247: Heat-shrinkable, polyolefin sleeving, dual wall, not flame retarded, thick and medium wall

IEC 60684-3-247:2019 is available as IEC 60684-3-247:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 60684-3-247:2019 gives the requirements for two types of heat-shrinkable, polyolefin sleeving, dual wall, not flame retarded with a nominal shrink ratio of 3:1. This sleeving has been found suitable for use at temperatures of up to 100 °C.
- Type A: Medium wall, internal diameter up to 200,0 mm typically.
- Type B: Thick wall, internal diameter up to 200,0 mm typically.
These sleevings are normally supplied in colour black. Since these types of sleving cover a significantly large range of sizes and wall thicknesses, Annex A (Tables A.1 and A.2) provides a guide to the range of sizes available. The actual size will be agreed between the user and supplier. Materials which conform to this specification meet established levels of performance. However, the selection of a material by a user for a specific application will be based on the actual requirements necessary for adequate performance in that application and not based on this specification alone. This second edition cancels and replaces the first edition published in 2011 and Amendment 1:2016. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous editions:
- removal of the colour fastness to light test, as this is covered by the test for carbon black content;
- change of low temperature flexibility test to -20 °C to align with sheet 214;
- change of final conditioning temperature of peel strength samples to 200 ºC to align with the temperature in Clause 5;
- removal of the fungus resistance test as there is no evidence that fungus growth is an issue either by testing or in use.
Keywords: Heat-shrinkable, polyolefin sleeving, dual wall, not flame retarded, thick and medium wall

Gaines isolantes souples - Partie 3: Spécifications pour types particuliers de gaines - Feuille 247: Gaines thermorétractables en polyoléfine, à double paroi, non ignifugées à paroi épaisse et moyenne

IEC 60684-3-247:2019 est disponible sous forme de IEC 60684-3-247:2019 RLV qui contient la Norme internationale et sa version Redline, illustrant les modifications du contenu technique depuis l'édition précédente.
L'IEC 60684-3-247:2019 donne les exigences relatives à deux types de gaines thermorétractables en polyoléfine, à double paroi, non ignifugées, dont le rapport de rétreint nominal est 3:1. Ces gaines se sont avérées appropriées pour une utilisation à des températures allant jusqu’à 100 °C.
- Type A: Paroi moyenne, diamètre intérieur généralement jusqu’à 200 mm
- Type B: Paroi épaisse, diamètre intérieur généralement jusqu’à 200 mm
La couleur de ces gaines est normalement le noir. Comme ces types de gaines couvrent une plage très étendue de tailles et d’épaisseurs de paroi, l'Annexe A (Tableaux A.1 et A.2) fournit un guide des tailles disponibles dans cette plage. La taille réelle fait l’objet d’un accord entre l’utilisateur et le fournisseur.Anchor Les matériaux conformes à la présente spécification satisfont à des niveaux de performances établis. Cependant, le choix d’un matériau par un utilisateur, pour une application spécifique, est fondé sur les exigences réelles nécessaires pour obtenir des performances adéquates pour l'application concernée, et n'est pas fondé sur cette seule spécification. Cette deuxième édition annule et remplace la première édition parue en 2011 et l'Amendement 1:2016. Cette édition constitue une révision technique.
Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
- suppression de l'essai de solidité de la couleur à la lumière, cet essai étant couvert par l'essai de détermination de la teneur en noir de carbone;
- modification de la température de l'essai de flexion à basse température qui devient -20 °C pour aligner la valeur avec celle donnée dans la feuille 214;
- modification de la température de conditionnement finale des échantillons pour la résistance à l'arrachement qui devient 200 ºC pour aligner la valeur avec celle donnée à l'Article 5;
- suppression de l'essai de résistance aux moisissures étant donné qu'il n'a pas été démontré, ni par des essais, ni en fonctionnement, que le développement de moisissures constituait un problème.
Mots-clés: Gaines thermorétractables en polyoléfine, à double paroi, non ignifugées, à paroi épaisse et moyenne

General Information

• Status: Published
• Publication Date: 07-Aug-2019
• ICS: 01 - GENERALITIES. TERMINOLOGY. STANDARDIZATION. DOCUMENTATION
• ICS: 29.035.20 - Plastics and rubber insulating materials
• Technical Committee: TC 15 - Solid electrical insulating materials
• Drafting Committee: WG 5 - TC 15/WG 5
• Current Stage: PPUB - Publication issued
• Start Date: 23-Aug-2019
• Completion Date: 08-Aug-2019

Relations

• Revises: IEC 60684-3-247:2011 - Flexible insulating sleeving - Part 3: Specifications for individual types of sleeving - Sheet 247: Heat-shrinkable, polyolefin sleeving, dual wall, not flame retarded, thick and medium wall
• Effective Date: 05-Sep-2023

Standards Content (Sample)

IEC 60684-3-247
®

Edition 2.0 2019-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE


Flexible insulating sleeving –
Part 3: Specifications for individual types of sleeving –
Sheet 247: Heat-shrinkable, polyolefin sleeving, dual wall, not flame retarded,
thick and medium wall

Gaines isolantes souples –
Partie 3: Spécifications pour types particuliers de gaines –
Feuille 247: Gaines thermorétractables en polyoléfine, à double paroi, non
ignifugées à paroi épaisse et moyenne

IEC 60684-3-247:2019-08(en-fr)

---------------------- Page: 1 ----------------------
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IEC 60684-3-247

®


Edition 2.0 2019-08




INTERNATIONAL



STANDARD




NORME



INTERNATIONALE











Flexible insulating sleeving –

Part 3: Specifications for individual types of sleeving –

Sheet 247: Heat-shrinkable, polyolefin sleeving, dual wall, not flame retarded,


thick and medium wall



Gaines isolantes souples –


Partie 3: Spécifications pour types particuliers de gaines –

Feuille 247: Gaines thermorétractables en polyoléfine, à double paroi, non

ignifugées à paroi épaisse et moyenne










INTERNATIONAL

ELECTROTECHNICAL

COMMISSION


COMMISSION

ELECTROTECHNIQUE


INTERNATIONALE




ICS 29.035.20 ISBN 978-2-8322-7213-8




Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale

---------------------- Page: 3 ----------------------
– 2 – IEC 60684-3-247:2019 © IEC 2019
CONTENTS
FOREWORD . 3
INTRODUCTION . 5
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 7
4 Designation . 7
5 Conditions of test . 7
6 Requirements . 7
7 Sleeving conformance . 7
Annex A (informative) Guide to the available sizes and wall thicknesses . 12
Bibliography . 14

Table 1 – Property requirements . 8
Table 2 – Requirements for breakdown voltage . 11
Table 3 – Resistance to selected fluids . 11
Table A.1 – Type A medium wall . 12
Table A.2 – Type B thick wall . 13

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IEC 60684-3-247:2019 © IEC 2019 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________

FLEXIBLE INSULATING SLEEVING –

Part 3: Specifications for individual types of sleeving –
Sheet 247: Heat-shrinkable, polyolefin sleeving, dual wall,
not flame retarded, thick and medium wall

FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
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9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 60684-3-247 has been prepared by IEC technical committee 15:
Solid electrical insulating materials.
This second edition cancels and replaces the first edition published in 2011 and
Amendment 1:2016. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous
editions:
a) removal of the colour fastness to light test, as this is covered by the test for carbon black
content;

b) change of low temperature flexibility test to -20 °C to align with sheet 214;
c) change of final conditioning temperature of peel strength samples to 200 ºC to align with
the temperature in Clause 5;

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– 4 – IEC 60684-3-247:2019 © IEC 2019
d) removal of the fungus resistance test as there is no evidence that fungus growth is an issue
either by testing or in use.
The text of this International Standard is based on the following documents:
FDIS Report on voting
15/890/FDIS 15/900/RVD

Full information on the voting for the approval of this International Standard can be found in the
report on voting indicated in the above table.
This document has been drafted in accordance with the ISO/IEC Directives, Part 2.
A list of all the parts in the IEC 60684 series, under the general title Flexible insulating
sleeving, can be found on the IEC website.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to
the specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.

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IEC 60684-3-247:2019 © IEC 2019 – 5 –
INTRODUCTION
This document is one of a series of standards which deals with flexible insulating sleeving for
electrical purposes.
The series consists of three parts:
Part 1: Definitions and general requirements (IEC 60684-1)
Part 2: Methods of test (IEC 60684-2)
Part 3: Specifications for individual types of sleeving (IEC 60684-3)
This document comprises one of the sheets of Part 3 as follows:
Sheet 247: Heat-shrinkable, polyolefin sleeving, dual wall, not flame retarded, thick and
medium wall

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– 6 – IEC 60684-3-247:2019 © IEC 2019
FLEXIBLE INSULATING SLEEVING –

Part 3: Specifications for individual types of sleeving –
Sheet 247: Heat-shrinkable, polyolefin sleeving, dual wall,
not flame retarded, thick and medium wall



1 Scope
This part of IEC 60684 gives the requirements for two types of heat-shrinkable, polyolefin
sleeving, dual wall, not flame retarded with a nominal shrink ratio of 3:1.
This sleeving has been found suitable for use at temperatures of up to 100 °C.
• Type A: Medium wall, internal diameter up to 200,0 mm typically.
• Type B: Thick wall, internal diameter up to 200,0 mm typically.
These sleevings are normally supplied in colour black.
Since these types of sleving cover a significantly large range of sizes and wall thicknesses,
Annex A (Tables A.1 and A.2) provides a guide to the range of sizes available. The actual size
will be agreed between the user and supplier.
Materials which conform to this specification meet established levels of performance. However,
the selection of a material by a user for a specific application will be based on the actual
requirements necessary for adequate performance in that application and not based on this
specification alone.
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.
IEC 60296:2012, Fluids for electrotechnical applications – Unused mineral insulating oils for
transformers and switchgear
IEC 60684-1:2003, Flexible insulating sleeving – Part 1: Definitions and general requirements
IEC 60684-2:2011, Flexible insulating sleeving – Part 2: Methods of test
IEC 60757:1983, Code for designation of colours
ISO 868:2003, Plastics and ebonite – Determination of indentation hardness by means of a
durometer (Shore hardness)
ISO 11357-3:2018, Plastics – Differential scanning calorimetry (DSC) – Part 3: Determination
of temperature and enthalpy of melting and crystallization
ISO 11358-1:2014, Plastics – Thermogravimetry (TG) of polymers – Part 1: General principles

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IEC 60684-3-247:2019 © IEC 2019 – 7 –
3 Terms and definitions
No terms and definitions are listed this document.
ISO and IEC maintain terminological databases for use in standardization at the following
addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
4 Designation
The sleeving shall be identified by the following designation:
Description IEC IEC part IEC sheet Type Size Colour
publication number number (expanded and
number recovered
internal
diameter in
mm)
↓ ↓ ↓ ↓ ↓ ↓ ↓
Sleeving IEC 60684 - 3 - 247 - B - 85,0/25,0 - BK

Any colour abbreviation shall comply with IEC 60757, where applicable. Non-standard colours
shall be written out in full.
NOTE This information is for package labelling only, in accordance with IEC 60684-1.
5 Conditions of test
Unless otherwise specified, the sleeving shall be shrunk in a forced air circulation oven for
(10 ± 1) min at 200 °C ± 3 K prior to testing.
6 Requirements
In addition to the general requirements given in IEC 60684-1, the sleeving shall comply with the
requirements of Tables 1, 2, and 3 where applicable.
7 Sleeving conformance
Conformance to the requirements of this specification shall normally be based on the results
from typical sizes:
• Type A: Recovered internal diameter 25 mm to 30 mm
• Type B: Recovered internal diameter 25 mm to 30 mm
For the peel strength test, select a size to comply with the dimensions as detailed under the
remarks in Table 1.

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– 8 – IEC 60684-3-247:2019 © IEC 2019
Table 1 – Property requirements (1 of 3)
Property IEC 60684- Units Max. Requirements Remarks
2:2011 clause or
or subclause min.
Dimensions 3
Internal diameter 3.1.2 mm
Wall thickness 3.3.2 mm To be agreed
between purchaser
Concentricity 3.3.3 %
and supplier
expanded  Min. 50
recovered  Min. 85
Heat shock 6 - -
Heat at 200 °C ± 5 K
Tensile strength 19.2 and 19.3 MPa Min. 10 Jacket only, ignore flowing
adhesive
Elongation at break 19.2 and 19.3 % Min. 200
Use a jaw separation rate of
100 mm/min. For internal
diameters < 6,5 mm, use
sleeving samples for testing.
On 6,5 mm and larger diameter
sleeving, use dumb-bell
samples cut from the sleeving
Longitudinal change 9 % Max. –10
+ 5
Bending at low 14 - - No cracking shall be
Test at -20 °C
temperature visible
For strips, the mandrel shall be
between 20 times and 22 times
the wall thickness. Full section
sleeving is tested unfilled and
the mandrel shall be between
20 times and 22 times the outer
diameter.
Dimensional stability 16 - - The dimensions shall See Clause 1
on storage remain as agreed
Tensile strength 19.2 and 19.3 MPa Min. 13 Jacket only
Use a jaw separation rate of
Elongation at break 19.2 and 19.3 % Min. 350
100 mm/min. For internal
diameters <6,5 mm, use
sleeving samples for testing.
On 6,5 mm and larger diameter
sleeving, use dumb-bell
samples cut from the sleeving.
Secant modulus at 19.5 MPa Min. 80 Calculate cross- section area
2 % elongation without adhesive.
MPa Max. 160
Breakdown voltage 21.2 kV Min. Table 2

Volume resistivity at 23
room temperature
12
23.5.2 Min. 10
Ω·m
after damp heat
11
23.5.4 Ω·m Min. 10

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IEC 60684-3-247:2019 © IEC 2019 – 9 –
Table 1 (2 of 3)
Property IEC 60684- Units Max. Requirements Remarks
2:2011 clause or
or subclause min.
Resistance to 36  Use the fluids and test temperatures
selected fluids specified in Table 3
Tensile strength 19.2 and 19.3 MPa Min. 10 Immersion time (24 ± 1) h
Use a jaw separation rate of
Elongation at 19.2 and 19.3 % Min. 250
break 100 mm/min. For internal diameters
< 6,5 mm, use sleeving samples for
testing. On 6,5 mm and larger
diameter sleeving, use dumb-bell
samples cut from the sleeving
Heat ageing 39  Heat at 150 °C ± 3 K
Tensile strength 19.2 and 19.3 MPa Min. 10 Jacket only
Elongation at 19.2 and 19.3 % Min. 200 Use a jaw separation rate of
100 mm/min. For internal diameters
break
< 6,5 mm, use sleeving samples for
testing. On 6,5 mm and larger
diameter sleeving, use dumb-bell
samples cut from the sleeving
Long term ageing 50  The ageing temperature shall be 100
°C ± 3 K
Elongation at 19.2 and 19.3 % Min. 175
break Use a jaw separation rate of
100 mm/min. For internal diameters
< 6,5 mm, use sleeving samples for
testing. On 6,5 mm and larger
diameter sleeving, use dumb-bell
samples cut from the sleeving
Carbon black ISO 11358-1 % Min. 2,5 Identify carbon black peak and report
content weight loss %
Hardness ISO 868 Shore D Min. 40
Water absorption 40 % Max. 0,5

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– 10 – IEC 60684-3-247:2019 © IEC 2019
Table 1 (3 of 3)
Property IEC 60684- Units Max. Requirements Remarks
2:2011 or
clause min.
or subclause
Peel strength 54 N/25 mm Min. Cu – 50 Use a Cu or Al tube with a minimum
outer diameter of 25 mm and at least
Al – 75
20 % above the fully recovered internal
diameter of the sleeving. The sleeving
PO-X – 100
under test shall have a thickness of
2,0 mm ± 0,5 mm when recovered on
the tube. Other substrate materials
and methods are subject to agreement
between the supplier and the user.
Prepare the Cu and Al tubes in the
manner defined in IEC 60684-2:2011,
54.3. Precondition the prepared Cu
and Al tubes in an oven at 100 ºC for
at least 30 min. Immediately place the
sleeving on the prepared Cu or Al
tubes and condition at 200 ºC ± 3 K for
(10 ± 1) min.
To make the cross-linked polyolefin
(PO-X) specimens shrink the sleeving
onto the Cu or Al tubes by conditioning
at 200 °C ± 3 K for (10 ± 1) min. Allow
to cool, then abrade and clean the
outer surface as detailed in
IEC 60684-2:2011, 54.3. Finally, fix
the narrow strip of adhesive masking
tape longitudinally on the sleeving,
then place the same sleeving on top
and condition at 200 ºC ± 3 K for
(10 ± 1) min.
Melting ISO 11357-3 º C Min. 100 Adhesive only
temperature
Value to be recorded is peak melting
temperature (T )
pm

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IEC 60684-3-247:2019 © IEC 2019 – 11 –
Table 2 – Requirements for breakdown voltage
a
Expanded wall thickness Expanded ID Dielectric strength
mm Min.
kV/mm
All dimensions Type A
10 to 25 14
26 to 50 12
51 to120 10
121 and above 8
Type B
10 to 25 12
26 to 50 10
51 to 120 8
121 and above 6
The sleeving shall be tested in the expanded condition.
The rate of application of the voltage shall be 500 V/s.
Care should be taken on selection of sizes based on these values. Refer to the manufacturer for actual values on
installed conditions.
a
Measure the expanded jacket wall thickness and calculate the electric strength by dividing the breakdown
voltage by this value.

Table 3 – Resistance to selected fluids
Test Fluids Type Standard or symbol Immersion temperature
fluid
°C ± 2 K
No.
1 Insulating oil Mineral based IEC 60296 23
2 Cleaning fluids Isopropyl alcohol 23
3 - Water De-ionized 85

Other fluids and/or temperatures may be specified for customers with specific needs. These
additional fluids and/or temperatures shall be applicable when incorporated into agreements
between the supplier and customer.

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– 12 – IEC 60684-3-247:2019 © IEC 2019
Annex A
(informative)

Guide to the available sizes and wall thicknesses
Table A.1 – Type A medium wall
Internal diameter Wall
Expanded Recovered Recovered wall
Min. Max. thickness
(jacket only)
mm mm
Min.
mm
10 3 1,0
10 4 1,4
12 3 1,4
16 5 1,4
19 6 2,0
25 8 2,0
28 10 2,0
33 10 2,0
35 12 2,0
38 13 2,3
43 13 2,3
50 18 2,3
63 19 2,3
70 26 2,3
85 25 2,5
90 30 2,5
115 34 2,5
120 54 2,5
140 42 2,8
152 48 2,8
160 50 3,0
180 60 3,0
200 77 3,3

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IEC 60684-3-247:2019 © IEC 2019 – 13 –
Table A.2 – Type B thick wall
Internal diameter Wall
Expanded Recovered Recovered wall
Min. Max. thickness
(jacket only)
mm mm
Min.
mm
9 3 1,8
13 4 2,4
19 6 2,4
20 6 2,4
28 9 3,0
33 8 3,2
38 12 4,0
43 12 4,0
48 15 4,0
51 16 4,0
68 22 4,0
70 21 4,0
85 25 4,0
90 30 4,0
105 26 4,0
105 30 4,0
115 40 4,0
130 36 4,0
130 40 4,2
150 48 4,3
160 50 4,3
170 60 4,3
200 77 4,3

NOTE 1 The wall thickness of the adhesive will typically lie between 0,5 mm and 1,5 mm after recovery.
NOTE 2 In those cases where the inner wall distorts or flows during recovery, it might not be possible to determine
the recovered inside diameter accurately. In these cases, the sleeving can be recovered over a mandrel or plug
gauge of the specified diameter after recovery for the size being measured.

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– 14 – IEC 60684-3-247:2019 © IEC 2019
Bibliography
IEC 60502-1, Power cables with extruded insulation and their accessories for rated voltages
from 1 kV (U = 1,2 kV) up to 30 kV (U = 36 kV) – Part 1: Cables for rated voltages of 1 kV
m m
(U = 1,2 kV) and 3 kV (U = 3,6 kV)
m m
IEC 60684-3 (all sheets), Flexible insulating sleeving – Part 3: Specifications for individual
types of sleeving

_____________

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– 16 – IEC 60684-3-247:2019 © IEC 2019
SOMMAIRE
AVANT-PROPOS . 17
INTRODUCTION . 19
1 Domaine d'application . 20
2 Références normatives . 20
3 Termes et définitions . 21
4 Désignation . 21
5 Conditions d’essai . 21
6 Exigences . 21
7 Conformité des gaines . 21
Annexe A (informative) Guide des tailles et épaisseurs de paroi disponibles . 26
Bibliographie . 28

Tableau 1 – Exigences relatives aux propriétés . 22
Tableau 2 – Exigences relatives à la tension de claquage . 25
Tableau 3 – Résistance aux fluides choisis . 25
Tableau A.1 – Paroi moyenne de type A . 26
Tableau A.2 – Paroi épaisse de type B . 27

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IEC 60684-3-247:2019 © IEC 2019 – 17 –
COMMISSION ÉLECTROTECHNIQUE INTERNATIONALE
____________

GAINES ISOLANTES SOUPLES –

Partie 3: Spécifications pour types particuliers de gaines –
Feuille 247: Gaines thermorétractables en polyoléfine, à double paroi,
non ignifugées à paroi épaisse et moyenne

AVANT-PROPOS
1) La Commission Electrotechnique Internationale (IEC) est une organisation mondiale de normalisation composée
de l'ensemble des comités électrotechniques nationaux (Comités nationaux de l’IEC). L’IEC a pour objet de
favoriser la coopération internationale pour toutes les questions de normalisation dans les domaines de
l'électricité et de l'électronique. A cet effet, l’IEC – entre autres activités – publie des Normes internationales,
des Spécifications techniques, des Rapports techniques, des Spécifications accessibles au public (PAS) et des
Guides (ci-après dénommés "Publication(s) de l’IEC"). Leur élaboration est confiée à des comités d'études, aux
travaux desquels tout Comité national intéressé par le sujet traité peut participer. Les organisations
internationales, gouvernementales et non gouvernementales, en liaison avec l’IEC, participent également aux
travaux. L’IEC collabore étroitement avec l'Organisation Internationale de Normalisation (ISO), selon des
conditions fixées par accord entre les deux organisations.
2) Les décisions ou accords off
...