Copyright European Comm Provided by IHS under lice No reproduction or network BRITISH STANDARD BS EN 50290 2 22 2002 Incorporating corrigendum no 1 and amendment no 1 Communication cables — Part 2 22[.]
Trang 1BRITISH STANDARD BS EN
50290-2-22:2002
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
This British Standard was
published under the authority
of the Standards Policy and
Strategy Committee
on 22 January 2002
© BSI 2007
ISBN 978 0 580 59709 1
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is the UK implementation of EN 50290-2-22:2001, incorporating amendment A1:2007 It supersedes BS 7878-2:1997 which is withdrawn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
Compliance with a British Standard cannot confer immunity from legal obligations.
Amendments issued since publication
16043 Corrigendum No 1 March 2006 Addition of supersession details
17301 31 August 2007 See national foreword
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NORME EUROPÉENNE
EUROPÄISCHE NORM
EN 50290-2-22
October 2001
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
+A1
June 2007
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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:
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
— latest date by which the EN has to be implemented
at national level by publication of an identical
— latest date by which the national standards conflicting
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 `,,```,,,,````-`-`,,`,,`,`,,` EN 50290-2-22:2001
1 Scope
This part 2-22 of EN 50290 gives specific requirements for PVC sheathing compounds used for communication cables
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).
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
!
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`,,```,,,,````-`-`,,`,,`,`,,` -EN 50290-2-22:2001 4
-3 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
Grades Characteristics Test method Unit
1 Maximum rated
temperature at cable for
which the compound can
be used
Clause 8 g/cm
3
To be recorded
4.1
4.11
4.12
In state of delivery
Tensile strength
– median, min
Elongation at break
– median, min
EN 60811-1-1 9.2
MPa
%
12,5
125
10
150
15
150
10
150
10
150 4.2 After ageing
Ageing conditions
– temperature
– duration
EN 60811-1-2 8.1
° 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 4.21 Tensile strength
– median, min
– variation, max
MPa
%
12,5
± 20
10
± 20
15
± 25
10
± 20
10
± 20 4.22 Elongation at break
– median, min
– variation, max
%
%
125
± 20
150
± 20
150
± 25
150
± 20
150
± 20
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Table 1 - PVC sheathing compounds (continued)
Grades Characteristics Test method Unit
5 Loss of mass Test conditions – temperature – duration Result to be obtained, max
EN 60811-3-2 8.2
° C
h mg/cm
2
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
6 Heat shock test Test conditions – temperature – duration Result to be obtained
EN 60811-3-1 9.2
° 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
7 Pressure test at high temperature Test conditions – temperature – duration
EN 60811-3-1 8.2
° C
h
80 ± 2
4
70 ± 2
4
90 ± 2
4
70 ± 2
4
70 ± 2
4 Result to be obtained
- depth of indentation
8 Behaviour at low temperature 8.1 Bending test at low
temperature – temperature Result to be obtained
EN 60811-1-4 8.2
° C − 15 ± 2
No cracks
− 15 ± 2
No cracks
− 15 ± 2
No cracks
− 15 ± 2
No cracks
− 15 ± 2
No cracks 8.2 Elongation test at low
temperature – temperature Elongation, min
EN 60811-1-4 8.4
° C
%
− 15 ± 2
20
− 15 ± 2
20
-
-
− 15 ± 2
20
− 15 ± 2
20 8.3 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
° C − 15 ± 2
No cracks
− 15 ± 2
No cracks
− 15 ± 2
No cracks
− 15 ± 2
No cracks
− 15 ± 2
No cracks
9 Thermal stability
at 200 °C, min
EN 60811-3-2 Clause 9
min - - 240 - -
10 Mineral oil immersion test
Test conditions – temperature – duration Results to be obtained after oil immersion
Tensile strength – variation, max
Elongation at break – variation, max
EN 60811-2-1 Clause 10
°C
h
%
%
-
-
-
-
-
-
-
-
-
-
-
-
70
4
± 30
± 30
90
7 x 24
± 25
± 25
a
Type TM54 for temporary contacts with oils
b
Type TM55 for continuous storage in oils
"
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50290-2-22:2002
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