1、BRITISH STANDARDBS EN 50290-2-22:2002Incorporating corrigendum no. 1 and amendment no. 1Communication cables Part 2-22: Common design rules and construction PVC sheathing compoundsThe European Standard EN 50290-2-22:2001, incorporating amendment A1:2007, has the status of a British StandardICS 33.12
2、0.01; 29.060.20g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 50290-2-22:2002This British Standard was published under the authority of the S
3、tandards Policy and Strategy Committee on 22 January 2002 BSI 2007ISBN 978 0 580 59709 1National forewordThis 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 It supersedes BS 7878-2:1997 which is withdrawn.The start and finish of text introduced or a
4、ltered 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
5、, 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
6、 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 publicationAmd. No. Date Comments16043 Corrigendum No. 1March 2006 Addition of supersession details17301 31 August 20
7、07 See national forewordEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 50290-2-22October 2001ICS 29.035.20; 33.120.10 Supersedes HD 624.2 S1:1994English versionCommunication cables Part 2-22: Common design rules and construction PVC sheathing compoundsCbles de communication Partie 2-22: Rgles de
8、conception communes et de construction Mlanges en PVC pour gainageKommunikationskabel Teil 2-22: Gemeinsame Regeln fr Entwicklung und Konstruktion PVC-MantelmischungenThis European Standard was approved by CENELEC on 2001-05-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regul
9、ations 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
10、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 a
11、re 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.CENELECEuropean Committee for Electrotechnical Standard
12、izationComit Europen de Normalisation ElectrotechniqueEuropisches Komitee fr Elektrotechnische NormungCentral 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
13、+A1June 2007EN 50290-2-22:2001 - 2 -ForewordThis 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 Procedur
14、e 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
15、. 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) 2004-04-01Foreword to amendment A1 This amendment t
16、o 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 fi
17、xed: 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 introduc
18、es respectively new PVC sheathing compound Grade for high temperature and oil resistance. _ _ - 3 - EN 50290-2-22:20011 ScopeThis 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 N
19、ormative referencesThis 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
20、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 ca
21、bles 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 Therma
22、l 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 6081
23、1-1-4:1995, 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 met
24、hods 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: L
25、oss 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 sh
26、all 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. !“EN 50290-2-22:2001 - 4 -3 RequirementIn case of
27、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 compou
28、nds Grades Characteristics Test method Unit TM51 TM52 TM53 TM54 aTM55 b1 Maximum rated temperature at cable for which the compound can be used C 70 70 90 70 70 2 Density EN 60811-1-3 Clause 8 g/cm3To be recorded 3 Hardness ISO 868 Shore A To be recorded 4 Mechanical characteristics 4.1 4.11 4.12 In
29、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 me
30、dian, 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 “- 5 - EN 50290-2-22:2001Table 1 - PVC sheathing compounds (continued) Grades Characteristics Test method Unit TM51 TM52 TM53 TM54 aTM55 b5 Lo
31、ss of mass Test conditions temperature duration Result to be obtained, max. EN 60811-3-2 8.2 C h mg/cm280 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
32、 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 median, max. % 50 50 50 50 50 8 Behaviour at low temperat
33、ure 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 Imp
34、act 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 i
35、mmersion 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 TM
36、55 for continuous storage in oils. “!BS EN 50290-2-22:2002BSI389 Chiswick High RoadLondonW4 4ALBSI British Standards InstitutionBSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incor
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