BS EN 50363-10-2-2005 Insulating sheathing and covering materials for low-voltage energy cables - Part 10-2 Miscellaneous sheathing compounds - Thermoplastic polyurethane《低压电缆用绝缘、护.pdf

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1、BRITISH STANDARDBS EN 50363-10-2: 2005Insulating, sheathing and covering materials for low voltage energy cables Part 10-2: Miscellaneous sheathing compounds Thermoplastic polyurethaneThe European Standard EN 50363-10-2:2005 has the status of a British StandardICS 29.035.20g49g50g3g38g50g51g60g44g49

2、g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58Licensed Copy: Wang Bin, na, Wed Apr 19 07:47:08 BST 2006, Uncontrolled Copy, (c) BSIBS EN 50363-10-2:2005This British Standar

3、d was published under the authority of the Standards Policy and Strategy Committee on 16 January 2006 BSI 16 January 2006ISBN 0 580 47533 6National forewordThis British Standard is the official English language version of EN 50363-10-2:2005. It supersedes BS 7655-12.1:2000 which is withdrawn.The UK

4、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: A list of organizations represented on this subcommittee can be obtained on request to its secretary.Cross-referencesThe British Stand

5、ards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online.This

6、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 does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible intern

7、ational/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK.Summary of pagesThis document comprises a front cover, an inside front cover, the EN title pa

8、ge, 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 issued since publicationAmd. No. Date CommentsLicensed Copy: Wang Bin, na, Wed Apr 19 07:47:08 BST 2006, Uncontrolled Copy, (c) BSIEUROPE

9、AN STANDARD EN 50363-10-2 NORME EUROPENNE EUROPISCHE NORM November 2005 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2005 CEN

10、ELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 50363-10-2:2005 E ICS 29.035.20 English version Insulating, sheathing and covering materials for low voltage energy cables Part 10-2: Miscellaneous sheathing compounds Thermoplastic pol

11、yurethane Matriaux pour enveloppe isolante, gainage et revtement pour les cbles dnergie basse tension Partie 10-2: Mlanges divers pour gaine - Polyurthane thermoplastique Isolier-, Mantel- und Umhllungswerkstoffe fr Niederspannungskabel und -leitungen Teil 10-2: Diverse Mantelmischungen - Thermoplas

12、tisches Polyurethan 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 alteration. Up-to-date lists

13、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 resp

14、onsibility 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, Germany, Greece, Hun

15、gary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Licensed Copy: Wang Bin, na, Wed Apr 19 07:47:08 BST 2006, Uncontrolled Copy, (c) BSIEN 50363-10-2:2005 - 2 - Foreword This E

16、uropean Standard was prepared by the Technical Committee CENELEC TC 20, Electric cables. The text of the draft was submitted to the formal vote and was approved by CENELEC as EN 50363-10-2 on 2005-11-01. EN 50363 (in all its parts) supersedes the equivalent information at present in HD 21.1 S4, HD 2

17、1.14 S1, HD 22.1 S4, HD 22.10 S1, HD 22.14 S2 and prHD 21.15 S1. The existing information in these HDs will be deleted at the next maintenance review. EN 50363-10-2 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 nat

18、ional level by publication of an identical national standard or by endorsement (dop) 2006-11-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2007-11-01 _ Licensed Copy: Wang Bin, na, Wed Apr 19 07:47:08 BST 2006, Uncontrolled Copy, (c) BSI- 3 - EN 50

19、363-10-2:2005 Contents 1 Scope .4 2 Normative references .4 3 Definitions.4 4 Properties .4 Table 1 Types of thermoplastic polyurethane sheathing compound.4 Table 2 Requirements for the tests for thermoplastic polyurethane (TMPU) sheathing compound 5 Licensed Copy: Wang Bin, na, Wed Apr 19 07:47:08

20、BST 2006, Uncontrolled Copy, (c) BSIEN 50363-10-2:2005 - 4 - 1 Scope This part of EN 50363 specifies the test requirements for the physical properties of the harmonised thermoplastic polyurethane sheathing compound given in Table 1. The relevant test methods are given in EN 60811 series and EN 50396

21、. NOTE This part of EN 50363 is to be read in conjunction with EN 50363-0. Table 1 - Types of thermoplastic polyurethane sheathing compound Type Maximum cable operating temperature C General application TMPU 90 Tough flexibles for outdoor use at low temperatures 2 Normative references For the purpos

22、es of this part of EN 50363, the requirements of EN 50363-0, Clause 2, apply with 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

23、 Table 2, when using the test methods referenced in columns 4 and 5. NOTE For cross-references to the latest editions of the test method standards see Table 2 of EN 50363-0. Licensed Copy: Wang Bin, na, Wed Apr 19 07:47:08 BST 2006, Uncontrolled Copy, (c) BSI- 5 - EN 50363-10-2:2005 Table 2 Requirem

24、ents for the tests for thermoplastic polyurethane (TMPU) sheathing compound 1 2 3 4 5 6 Test method described in EN 60811 b Type of compound Ref No Test a Unit Section Clause TMPU 1 Mechanical properties 1.1 Properties before ageing 1-1 9.2 1.1.1 Values to be obtained for the tensile strength: - med

25、ian, min. N/mm2 25,0 1.1.2 Values to be obtained for the elongation at break: - median, min. % 300 1.2 Properties after ageing in air oven 1-2 8.1.3.1 1.2.1 Ageing conditions: - temperature C 110 2 - duration of treatment h 7 x 24 1.2.2 Value to be obtained for the tensile strength: - median, min. N

26、/mm2 - - variation, max. % 30 1.2.3 Values to be obtained for the elongation at break: - median, min. % 300 - variation, max. % 30 1.3 Properties after immersion in mineral oil 2-1 10 1.3.1 Test conditions: - oil temperature C 100 2 - duration of immersion in oil h 7 x 24 1.3.2 Values to be obtained

27、 for the tensile strength: - variation, max. % 40 1.3.3 Value to be obtained for the elongation at break: - median, min. % 300 - variation, max. % 30 1.4 Properties after immersion in water (resistance to hydrolysis) EN 50396 10.3 1.4.1 Test conditions: - temperature of water oC 80 2 - duration h 7

28、x 24 1.4.2 Values to be obtained for the tensile strength: - variation, max. % 30 Licensed Copy: Wang Bin, na, Wed Apr 19 07:47:08 BST 2006, Uncontrolled Copy, (c) BSIEN 50363-10-2:2005 - 6 - Table 2 Requirements for the tests for thermoplastic polyurethane (TMPU) sheathing compound (continued) 1 2

29、3 4 5 6 Ref No Test a Unit Test method described in EN 60811 b Type of compound Section Clause TMPU 1.4.3 Value to be obtained for the elongation at break: - median, min. % 300 - variation, max. % 30 2 Heat shock test 3-1 9.2 2.1 Test conditions: - temperature C 150 2 - duration of treatment h 1,0 2

30、.2 Result to be obtained c 3 Pressure test at high temperature 3-1 8.2 3.1 Test conditions: - force exerted by the blade (k value) d 3-1 8.2.4 e - duration of heating under load h 3-1 8.2.5 e - temperature C 100 2 3.2 Result to be obtained: - median of the depth of indentation, max. % 50 4 Bending t

31、est at low temperature 1-4 8.2 4.1 Test conditions: - temperature C - 50 3 - period of application of low temperature h 1-4 8.2.3 e 4.2 Result to be obtained c 5 Elongation test at low temperature 1-4 8.4 5.1 Test conditions: - temperature C - 50 3 - period of application of low temperature h 1-4 8.

32、4.4 & 8.4.5 e 5.2 Result to be obtained: - elongation without break, min. % 30 6 Tear strength EN 50396 10.2 Mean value to be obtained, min. N/mm 40,0 7 Resistance against saponification EN 50396 10.1 Mean value to be obtained, max. mg of KOH/g 200 aInformation on other tests is given in EN 50363-0,

33、 Clause 5. bUnless stated otherwise. cNo cracks. d The standard shows how to convert the given k value into a force in Newtons. eSee test method referred to in columns 4 and 5. Licensed Copy: Wang Bin, na, Wed Apr 19 07:47:08 BST 2006, Uncontrolled Copy, (c) BSIblankLicensed Copy: Wang Bin, na, Wed

34、Apr 19 07:47:08 BST 2006, Uncontrolled Copy, (c) BSIBS EN 50363-10-2: 2005BSI389 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 le

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