BS EN 50290-2-35-2016 Communication cables Common design rules and construction Polyamide sheathing compound《通信电缆 通用设计规则和结构 聚酰胺护套料》.pdf

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1、Communication cablesPart 2-35: Common design rules and construction Polyamide sheathing compoundBS EN 50290-2-35:2016BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06National forewordThis British Standard is the UK implementation of EN 50290-2-35:2016. The UK particip

2、ation in its preparation was entrusted to TechnicalCommittee EPL/46, Cables, wires and waveguides, radio frequency connectors and accessories for communication and signalling.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not pu

3、rport to include all the necessary provisions ofa contract. Users are responsible for its correct application. The British Standards Institution 2016.Published by BSI Standards Limited 2016ISBN 978 0 580 93148 2ICS 29.035.20; 33.120.10Compliance with a British Standard cannot confer immunity fromleg

4、al obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 30 September 2016. Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 50290-2-35:2016EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 50290-2

5、-35 August 2016 ICS 29.035.20; 33.120.10 English Version Communication cables - Part 2-35: Common design rules and construction - Polyamide sheathing compound Cbles de communication - Partie 2-35: Rgles de conception communes et construction - Mlange pour le gainage en polyamide Kommunikationskabel

6、- Teil 2-35: Gemeinsame Regeln fr Entwicklung und Konstruktion - Polyamid-MantelmischungThis European Standard was approved by CENELEC on 2016-07-22. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the sta

7、tus 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 CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three official versions (English, French

8、, 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 CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, B

9、elgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Swe

10、den, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CENELEC All rights of exploi

11、tation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 50290-2-35:2016 EBS EN 50290-2-35:2016EN 50290-2-35:2016 (E) 2 Contents Page European foreword . 3 1 Scope . 4 2 Normative references . 4 3 Compound requirements 4 4 Cable test requirements . 5 5 Health, Safety a

12、nd Environmental Regulations . 5 BS EN 50290-2-35:2016EN 50290-2-35:2016 (E) 3 European foreword This document (EN 50290-2-35:2016) has been prepared by CLC/TC 46X, “Communication cables“. The following dates are fixed: latest date by which this document has to be implemented at national level by pu

13、blication of an identical national standard or by endorsement (dop) 2017-07-22 latest date by which the national standards conflicting with this document have to be withdrawn (dow) 2019-07-22 Attention is drawn to the possibility that some of the elements of this document may be the subject of paten

14、t rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. BS EN 50290-2-35:2016EN 50290-2-35:2016 (E) 4 1 Scope This Part 2-35 of EN 50290 gives specific requirements for Polyamide and Polyamide alloys to be used for the inner and outer sheathing of ca

15、bles. It is essential to read this European Standard in conjunction with Part 2-20 of EN 50290, the product standards EN 50288-7 and EN 61158 and other applicable product standards. Using raw material and type test data as outlined in this standard, the raw material supplier will have sufficient dat

16、a to demonstrate compliance and warrant that the material is suitable for the specified application. Table 1 Polyamide sheathing compound Type Maximum operating temperature PA 90 C 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and ar

17、e indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 60811-401, Electric and optical fibre cables Test methods for non-metallic materials Part 401: Misce

18、llaneous tests Thermal ageing methods Ageing in an air oven (IEC 60811-401) EN 60811-404, Electric and optical fibre cables Test methods for non-metallic materials Part 404: Miscellaneous tests Mineral oil immersion tests for sheaths (IEC 60811-404) EN 60811-501, Electric and optical fibre cables Te

19、st methods for non-metallic materials Part 501: Mechanical tests Tests for determining the mechanical properties of insulating and sheathing compounds (IEC 60811-501) EN 60811-605, Electric and optical fibre cables Test methods for non-metallic materials Part 605: Physical tests Measurement of carbo

20、n black and/or mineral filler in polyethylene compounds (IEC 60811-605) EN 60811-606, Electric and optical fibre cables Test methods for non-metallic materials Part 606: Physical tests Methods for determining the density (IEC 60811-606) EN 60811-607, Electric and optical fibre cables Test methods fo

21、r non-metallic materials Part 607: Physical tests Test for the assessment of carbon black dispersion in polyethylene and polypropylene (IEC 60811-607) EN ISO 62, Plastics Determination of water absorption (ISO 62) EN ISO 868, Plastics and ebonite Determination of indentation hardness by means of a d

22、urometer (Shore hardness) (ISO 868) 3 Compound requirements The tests are to be carried out on granules or moulded plaques (or other suitable forms) produced from granules of the supplied compound. This data shall describe the general performance of Poly-amide compounds. The data shall be provided b

23、y the compound supplier and therefore can be in-cluded in any supply specification of the raw material. Test methods, relevant requirements and limits are shown in Table 2. In the case of special applications, additional requirements could be specified. BS EN 50290-2-35:2016EN 50290-2-35:2016 (E) 5

24、4 Cable test requirements The anticipated performance assumes standard cable design and conventional process technology and is specified in Table 3. In case of specific applications, additional requirements could be specified. 5 Health, Safety and Environmental Regulations The materials are subject

25、to Health, Safety and Environmental (HSE) requirements as defined in EN 50290-2-20. Any deviations or compliance failures must be identified by the raw material supplier and necessary corrective actions to be undertaken agreed with the cable maker. Table 2 Polyamide sheathing compound physical prope

26、rties on granules Characteristics aTest method Unit Value 1 Density (base polymer) EN 60811-606 g/cm31,06 2 Hardness (Shore D, 15 s) EN ISO 868 - 65-80 3 Moisture absorption (23C; 50% HR) EN ISO 62 % 2,5 4 Water absorption (23 C, in wa-ter) EN ISO 62 % 7 5 Carbon black content bEN 60811-605 % 2,0 0,

27、5 6 Carbon black dispersion - ag-glomerate bEN 60811-607 - 3 aAll values of Table 2 shall be provided by the compound supplier, see Clause 3. bTest is to be applied only for black compounds to be used for outer sheathings. BS EN 50290-2-35:2016EN 50290-2-35:2016 (E) 6 Table 3 Polyamide sheathing com

28、pound properties on cable Characteristics Test method Unit PA 1 Mechanical properties 1.1 1.1.1 1.1.2 Before ageing Tensile strength median, min. Elongation at break median, min. EN 60811-501 MPa % 40 250 1.2 After ageing Ageing conditions temperature duration EN 60811-401 C h 1102 14x24 1.2.1 Elong

29、ation at break median, min. variation, max. % % 250 20 2 Mineral oil immersion testaTest conditions temperature duration Results to be obtained after oil immersion Tensile strength variation of values before and after immersion, max. Elongation at break variation of values before and after immersion

30、, max. EN 60811-404 C h % % 90 7x24 25 25 NOTE As an optimal protection of outer sheathings against UV radiation the use of black compounds complying with the requirements of Clauses 5 and 6 of Table 2 is highly recommended. For outer sheathings in other colors than black, if required, the adding of

31、 suitable UV stabilisers is to be provided. aThe mineral oil to be used shall be oil No. 2 (IRM 902) as mentioned in part 404 BS EN 50290-2-35:2016This page deliberately left blankBSI is the national body responsible for preparing British Standards and other standards-related publications, informati

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