Bsi bs en 50290 2 22 2002 (2007)

BS EN
50290-2-22:2002

BRITISH STANDARD

Incorporating
corrigendum no. 1 and
amendment no. 1

Communication
cables —
Part 2-22: Common design rules and
construction — PVC sheathing
compounds

The European Standard EN 50290-2-22:2001, incorporating amendment
A1:2007, has the status of a British Standard

ICS 33.120.01; 29.060.20

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BS EN 50290-2-22:2002

National foreword
This British Standard is the UK implementation of EN 50290-2-22:2001,
incorporating amendment A1:2007. It supersedes BS 7878-2:1997 which is
withdrawn.
The start and finish of text introduced or altered by amendment is indicated in
the text by tags !". Tags indicating changes to CENELEC text carry the
number of the CENELEC amendment. For example, text altered by CENELEC
amendment A1 is indicated by !".
The UK participation in its preparation was entrusted by Technical Committee
EPL/46, Cables, wire and waveguides, RF connectors, and accessories for
communication and signalling, to Subcommittee EPL/46/1, Communications
cables.
A list of organizations represented on this subcommittee can be obtained on
request to its secretary.
This publication does not purport to include all the necessary provisions of a
contract. Users are responsible for its correct application.

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Compliance with a British Standard cannot confer immunity from
legal obligations.

This British Standard was
published under the authority
of the Standards Policy and
Strategy Committee
on 22 January 2002

Amendments issued since publication
Amd. No.

Date

Comments

16043

March 2006

Addition of supersession details

17301

31 August 2007

See national foreword

Corrigendum No. 1
© BSI 2007

ISBN 978 0 580 59709 1

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EUROPEAN STANDARD

EN 50290-2-22
October 2001

NORME EUROPÉENNE

+A1

EUROPÄISCHE NORM

June 2007

ICS 29.035.20; 33.120.10

Supersedes HD 624.2 S1:1994

English version

Communication cables —
Part 2-22: Common design rules and construction —
PVC sheathing compounds
Câbles de communication
Partie 2-22: Règles de conception
communes et de construction —
Mélanges en PVC pour gainage

Kommunikationskabel
Teil 2-22: Gemeinsame Regeln für

Entwicklung und Konstruktion —
PVC-Mantelmischungen

This European Standard was approved by CENELEC on 2001-05-01. CENELEC 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 Central Secretariat or to any CENELEC 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 CENELEC member into its own language and
notified to the Central Secretariat has the same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic,
Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands,
Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
Central Secretariat: rue de Stassart 35, B - 1050 Brussels

© 2001 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 50290-2-22:2001 E
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EN 50290-2-22:2001

-2-

Foreword
This European Standard was prepared by a joint working group of the Technical Committees
CENELEC TC 46X, Communication cables, and CENELEC TC 86A, Optical fibres and optical fibre cables.
The text of the draft was submitted to the Unique Acceptance Procedure and was approved by
CENELEC as EN 50290-2-22 on 2001-05-01.
This European Standard supersedes HD 624.2 S1:1994.
The following dates were fixed:
— latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement

(dop)

2002-04-01

— latest date by which the national standards conflicting
with the EN have to be withdrawn

(dow)

2004-04-01

This European Standard has been prepared under the European Mandate M/212 given to CENELEC by
the European Commission and the European Free Trade Association.

__________

Foreword to amendment A1
This amendment to the European Standard EN 50290-2-22:2001 was prepared by the Technical
Committee CENELEC TC 46X, Communication cables.
The text of the draft was submitted to the Unique Acceptance Procedure and was approved by CENELEC
as amendment A1 to EN 50290-2-22:2001 on 2007-03-01.
The following dates were fixed:
– latest date by which the amendment has to be
implemented at national level by publication of
an identical national standard or by endorsement

(dop)

2008-03-01

– latest date by which the national standards conflicting
with the amendment have to be withdrawn

(dow)

2010-03-01

This amendment introduces respectively new PVC sheathing compound Grade for high temperature and
oil resistance.
__________

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-3-

1

EN 50290-2-22:2001

Scope

This part 2-22 of EN 50290 gives specific requirements for PVC sheathing compounds used for
communication cables.
! For cables with a maximum rated temperature of 90 °C, compound of Grade TM53 shall be used and it
shall comply with the requirements described in Table 1.
For oil resistant PVC cables, sheathing compound Grade TM54 or TM55 chosen according to the
environmental conditions shall be used and it shall comply with the requirements described in Table 1. "

It is to be read in conjunction with part 2-20 of EN 50290.

2

Normative references

This European Standard incorporates by dated or undated reference, provisions from other publications.
These normative references are cited at the appropriate places in the text and the publications are listed
hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply

to this European Standard only when incorporated in it by amendment or revision. For undated references
the latest edition of the publication referred to applies (including amendments).
EN 60811-1-1:1995, Insulating and sheathing materials of electric and optical cables — Common test
methods — Part 1-1: General application — Measurement of thickness and overall dimensions — Tests
for determining the mechanical properties
(IEC 60811-1-1:1993).
EN 60811-1-2:1995, Insulating and sheathing materials of electric cables — Common test methods
Part 1-2: General application — Thermal ageing methods
(IEC 60811-1-2:1985 + corr. May 1986 + A1:1989).
EN 60811-1-3:1995, Insulating and sheathing materials of electric and optical cables — Common test
methods — Part 1-3: General application — Methods for determining the density — Water absorption
tests — Shrinkage test
(IEC 60811-1-3:1993).
EN 60811-1-4:1995, Insulating and sheathing materials of electric and optical cables — Common test
methods — Part 1-4: General application — Tests at low temperature
(IEC 60811-1-4:1985 + corr. May 1986 + A1:1993).
EN 60811-3-1:1995, Insulating and sheathing materials of electric and optical cables — Common test
methods — Part 3-1: Methods specific to PVC compounds — Pressure test at high temperature — Tests
for resistance to cracking
(IEC 60811-3-1:1985 + corr. May 1986).
EN 60811-3-2:1995, Insulating and sheathing materials of electric cables — Common test methods
Part 3: Methods specific to PVC compounds — Section 2: Loss of mass test — Thermal stability test
(IEC 60811-3-2:1985 + corr. May 1986 + A1:1993).
ISO 868:1985, Plastics and ebonite — Determination of indentation hardness by means of a durometer
(Shore hardness).

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EN 50290-2-22:2001

3

-4-

Requirement

In case of specific applications, additional performances could be needed. Relevant test methods and
requirements shall be included in the detail specification of the cable.
! If lead free PVC is required, the lead content shall be less than 400 ppm, measured according to
EN 50414.

Table 1 - PVC sheathing compounds
Characteristics

1

Maximum rated
temperature at cable for
which the compound can
be used

2

Density

3

Hardness

4

Mechanical characteristics

4.1
4.11

4.2

4.21

4.22

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4.12

In state of delivery
Tensile strength
– median, min.

Test method

°C

Tensile strength
– median, min.
– variation, max.
Elongation at break
– median, min.
– variation, max.

Grades
TM51

TM52

TM53

70

70

90

3

EN 60811-1-3
Clause 8

g/cm

ISO 868

Shore A

TM54

a

TM55

70

70

b

To be recorded
To be recorded

EN 60811-1-1
9.2

Elongation at break
– median, min.
After ageing
Ageing conditions
– temperature
– duration

Unit

MPa

12,5

10

15

10

10

%

125

150

150

150

150

°C
h

80
7 x 24

80

7 x 24

135 ± 2
14 x 24

80 ± 2
7 x 24

80 ± 2
7 x 24

MPa
%

12,5
± 20

10
± 20

15
± 25

10
± 20

10
± 20

%

%

125
± 20

150
± 20

150
± 25

150
± 20

150
± 20

EN 60811-1-2
8.1

"

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-5-

EN 50290-2-22:2001

! Table 1 - PVC sheathing compounds (continued)
Characteristics

5

Test method

b

TM53

80 ± 2
7 x 24
2,0

80 ± 2
7 x 24
2,0

115 ± 2
14 x 24
1,5

80 ± 2
7 x 24
2

80 ± 2
7 x 24
2

°C
h

150 ± 2
1
No cracks

150 ± 2
1
No cracks

150 ± 2
1
No cracks

150 ± 2
1
No cracks

150 ± 2
1
No cracks

Test conditions
– temperature
– duration

°C
h

80 ± 2
4

70 ± 2
4

90 ± 2
4

70 ± 2
4

70 ± 2
4

Result to be obtained
- depth of indentation
median, max.

%

50

50

50

50

50

°C

− 15 ± 2
No cracks

− 15 ± 2
No cracks

− 15 ± 2
No cracks

− 15 ± 2
No cracks

− 15 ± 2
No cracks

°C
%

− 15 ± 2
20

− 15 ± 2
20

-

− 15 ± 2
20

− 15 ± 2
20

°C

− 15 ± 2
No cracks

− 15 ± 2
No cracks

− 15 ± 2
No cracks

− 15 ± 2
No cracks

− 15 ± 2
No cracks

min

-

-

240

-

-

°C
h

-

-

-

70
4

90
7 x 24

Tensile strength
– variation, max.

%

-

-

-

± 30

± 25

Elongation at break
– variation, max.

%

-

-

-

± 30

± 25

TM54

TM55

EN 60811-3-2
8.2

Heat shock test

°C
h

2

mg/cm
EN 60811-3-1
9.2

Test conditions
– temperature
– duration
Result to be obtained
Pressure test at high
temperature

8

a

TM52

Test conditions
– temperature
– duration
Result to be obtained, max.

7

Grades
TM51

Loss of mass

6

Unit

EN 60811-3-1
8.2

Behaviour at low
temperature

8.1

Bending test at low
temperature
– temperature
Result to be obtained

EN 60811-1-4
8.2

Elongation test at low
temperature
– temperature
Elongation, min.

EN 60811-1-4
8.4

Impact test at low
temperature
(if required in the detail
specification of the cable)
– temperature
Result to be obtained

EN 60811-1-4
8.5

9

Thermal stability
at 200 °C, min.

EN 60811-3-2
Clause 9

10

Mineral oil immersion test

EN 60811-2-1
Clause 10

8.2

8.3

Test conditions
– temperature
– duration
Results to be obtained after
oil immersion

a
b

Type TM54 for temporary contacts with oils.
Type TM55 for continuous storage in oils.

"

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BS EN
50290-2-22:2002

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