1、BRITISH STANDARDBS EN 50363-7:2005Insulating, sheathing and covering materials for low voltage energy cables Part 7: Halogen-free, thermoplastic insulating compoundsThe European Standard EN 50363-7:2005 has the status of a British StandardICS 29.035.20g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g5
2、6g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 50363-7:2005This British Standard was published under the authority of the Standards Policy and Strategy Committee on 16 January 2006 BSI 16 J
3、anuary 2006ISBN 0 580 47503 4National forewordThis British Standard is the official English language version of EN 50363-7:2005.The UK participation in its preparation was entrusted by Technical Committee GEL/20, Electric cables, to Subcommittee GEL/20/17, LV cables, which has the responsibility to:
4、 A list of organizations represented on this subcommittee can be obtained on request to its secretary.Cross-referencesThe British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International
5、Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online.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 Stan
6、dard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European d
7、evelopments and promulgate them in the UK.Summary of pagesThis document comprises a front cover, an inside front cover, the EN title page, pages 2 to 6, an inside back cover and a back cover.The BSI copyright notice displayed in this document indicates when the document was last issued.Amendments is
8、sued since publicationAmd. No. Date CommentsEUROPEAN STANDARD EN 50363-7 NORME EUROPENNE EUROPISCHE NORM November 2005 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat:
9、 rue de Stassart 35, B - 1050 Brussels 2005 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 50363-7:2005 E ICS 29.035.20 English version Insulating, sheathing and covering materials for low voltage energy cables Part 7: Halogen-fr
10、ee, thermoplastic insulating compounds Matriaux pour enveloppe isolante, gainage et revtement pour les cbles dnergie basse tension Partie 7: Mlanges thermoplastiques sans halogne pour enveloppe isolante Isolier-, Mantel- und Umhllungswerkstoffe fr Niederspannungskabel und -leitungen Teil 7: Halogenf
11、reie, thermoplastische Isoliermischungen This European Standard was approved by CENELEC on 2005-11-01. 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 alterati
12、on. 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 trans
13、lation 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, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,
14、 Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EN 50363-7:2005 2 Foreword This European Standard was prepared by the Technical Committee CENELEC TC 20,
15、 Electric cables. The text of the draft was submitted to the formal vote and was approved by CENELEC as EN 50363-7 on 2005-11-01. EN 50363 (in all its parts) supersedes the equivalent information at present in HD 21.1 S4, HD 21.14 S1, HD 22.1 S4, HD 22.10 S1, HD 22.14 S2 and prHD 21.15 S1. The exist
16、ing information in these HDs will be deleted at the next maintenance review. EN 50363-7 should be read in conjunction with EN 50363-0. 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 endorsemen
17、t (dop) 2006-11-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2007-11-01 3 EN 50363-7:2005 Contents 1 Scope .4 2 Normative references .4 3 Definitions.4 4 Properties .4 Table 1 Types of halogen-free thermoplastic insulating compounds4 Table 2 Requi
18、rements for the tests for halogen-free thermoplastic insulating compounds 5 EN 50363-7:2005 4 1 Scope This part of EN 50363 specifies the requirements for the physical properties of the harmonised halogen-free thermoplastic insulating compounds given in Table 1. The relevant test methods are given i
19、n EN 60811 series, EN 50267-2 (series), EN 60684-2 and EN 50396. NOTE 1 Requirements for smoke emission, which are based on tests on cables and not individual materials, are given in the relevant cable standard. NOTE 2 This part of EN 50363 is to be read in conjunction with EN 50363-0. Table 1 Types
20、 of halogen-free thermoplastic insulating compounds Type Maximum material operating temperature C General application TI 6 70 Ordinary duty for flexible cables TI 7 70 General purpose 2 Normative references For the purposes of this part of EN 50363, the requirements of EN 50363-0, Clause 2, apply wi
21、th regard to normative references. 3 Definitions For the purposes of this part of EN 50363, the definitions given in EN 50363-0, Clause 3, apply. 4 Properties Each compound shall meet the particular requirements listed in Table 2, when using the test methods referenced in columns 4 and 5. NOTE For c
22、ross-references to the latest editions of the test method standards see Table 2 of EN 50363-0. 5 EN 50363-7:2005 Table 2 Requirements for the tests for halogen-free thermoplastic insulating compounds 1 2 3 4 5 6 7 Test method described in EN 60811 b Type of compound Ref No Test a Unit Section Clause
23、 TI 6 TI 7 1 Mechanical properties 1.1 Properties before ageing 1-1 9.1 1.1.1 Values to be obtained for the tensile strength: - median, min. N/mm 7,5 10,0 1.1.2 Values to be obtained for the elongation at break: - median, min. % 150 125 1.2 Properties after ageing in air oven 1-2 8.1 1.2.1 Ageing co
24、nditions: - temperature C 80 2 80 2 - duration of treatment h 7 x 24 7 x 24 1.2.2 Value to be obtained for the tensile strength: - median, min. N/mm - 10,0 - variation, max. % 20 20 1.2.3 Values to be obtained for the elongation at break: - median, min. % - 125 - variation, max. % 20 20 2 Shrinkage
25、test 1-3 10 2.1 Test conditions: - sample length mm 200 - - temperature C 100 2 - - duration h 1 - 2.2 Result to be obtained: - shrinkage, max. % 4 - 3 Pressure test at high temperature 3-1 8.1 3.1 Test conditions: - force exerted by the blade N 3-1 8.1.4 c c- duration of heating under load h 3-1 8.
26、1.5 c c- temperature C 80 2 80 2 3.2 Result to be obtained: - median of the depth of indentation, max. % 50 50 EN 50363-7:2005 6 Table 2 Requirements for the tests for halogen-free thermoplastic insulating compound (continued) 1 2 3 4 5 6 7 Test method described in EN 60811 b Type of compound Ref No
27、 Test a Unit Section Clause TI 6 TI 7 4 Bending test at low temperature 1-4 8.1 4.1 Test conditions: - temperature C - 15 2 - 15 2 - period of application of low temperature h 1-4 8.1.4 c c4.2 Result to be obtained d d5 Elongation test at low temperature 1-4 8.3 5.1 Test conditions: - temperature C
28、- 15 2 - 15 2 - period of application of low temperature h 1-4 8.3.4 c c 5.2 Result to be obtained - elongation without break, min. % 30 30 6 Ozone resistance test 6.1 Method A 2-1 8 - test temperature C 25 2 - - duration h 24 - - ozone concentration (by volume) % (250 to 300) x 10-4- 6.2 Method B E
29、N 50396 8.1.3 - test temperature C 40 2 - - duration h 72 - - ozone concentration (by volume) % (200 50) x 10-6- 6.3 Result to be obtained d -7 Assessment of halogens 7.1 - pH, min. EN 50267-2-2 4,3 4,3 7.2 - conductivity, max. S/mm EN 50267-2-2 10 10 7.3 - amount of halogen acid gas - HCl and HBr,
30、max. % EN 50267-2-1 0,5 0,5 - HF, max. e% EN 60684-2 0,1 0,1 aInformation on other tests is given in EN 50363-0, Clause 5. bUnless stated otherwise. cSee test method referred to in columns 4 and 5. dNo cracks. eThis test need not be performed if a negative result is obtained for fluorine in the test
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