BS EN 50290-2-25-2013 Communication cables Common design rules and construction Polypropylene insulation compounds《通信电缆 一般设计规则和结构 聚丙烯绝缘化合物》.pdf

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1、BSI Standards PublicationBS EN 50290-2-25:2013Communication cables -Part 2-25: Common design rules andconstruction Polypropylene insulationcompoundsBS EN 50290-2-25:2013 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN50290-2-25:2013. It supersedes BS EN 50290-2-

2、25:2002 which iswithdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee EPL/46, Cables, wires and waveguides, radio frequencyconnectors and accessories for communication and signalling.A list of organizations represented on this committee can beobtained on request to it

3、s secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2013. Published by BSI StandardsLimited 2013ISBN 978 0 580 82664 1ICS 29.035.20; 33.120.10Compliance with a British

4、Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 30 November 2013.Amendments issued since publicationDate Text affectedBS EN 50290-2-25:2013EUROPEAN STANDARD EN 50290-2-25 NORME EUROPENNE EU

5、ROPISCHE NORM November 2013 CENELEC 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 2013 CENELEC - All rights of exploitation in

6、 any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 50290-2-25:2013 E ICS 29.035.20; 33.120.10 Supersedes EN 50290-2-25:2002 English version Communication cables - Part 2-25: Common design rules and construction - Polypropylene insulation compounds Cbles de communication -

7、 Partie 2-25: Rgles de conception communes et construction - Polypropylne pour enveloppes isolantes Kommunikationskabel - Teil 2-25: Gemeinsame Regeln fr Entwicklung und Konstruktion - Polypropylen-Isoliermischungen This European Standard was approved by CENELEC on 2013-09-16. CENELEC members are bo

8、und 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

9、CEN-CENELEC Management Centre 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 CEN-CENELEC Managemen

10、t Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland

11、, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 50290-2-25:2013EN 50290-2-25:2013 - 2 - Contents Foreword 3 1 Scope . 5 2 Normative references . 5 3 Compound test r

12、equirements . 6 4 Cable test requirements . 6 5 Health, Safety and Environmental Regulations . 6 Bibliography . 9 BS EN 50290-2-25:2013- 3 - EN 50290-2-25:2013 Foreword This document (EN 50290-2-25:2013) was prepared by CLC/TC 46X “Communication cables“. The following dates are fixed: latest date by

13、 which this document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2014-09-16 latest date by which the national standards conflicting with this document have to be withdrawn (dow) 2016-09-16 This document supersedes EN 50290-2-25:200

14、2. EN 50290-2-25:2013 includes the following significant technical changes with respect to EN 50290-2-25:2002: The document has been entirely restructured. The main change is the introduction of the new Table 1 for the test to be performed on granules. This document should be read in conjunction wit

15、h EN 50290-2-20, the product standard EN 50288 (all parts) and other applicable product standards. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such pa

16、tent rights. This document has been prepared under a mandate given to CENELEC by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). This standard covers the Principle Elements of the Safety Objectives for Electrical Equipment Desi

17、gned for Use within Certain Voltage Limits (LVD - 2006/95/EC). EN 50290-2, Communication cables, is divided into the following sub-parts: Part 2-1: Common design rules and construction; Part 2-2: Common design rules and construction Polyethylene insulation for multi element metallic data cables for

18、indoor application currently at Enquiry stage; Part 2-3: Common design rules and construction Polyethylene insulation for coaxial cables currently at Enquiry stage; Part 2-4: Common design rules and construction Polypropylene insulation for coaxial cables currently at Enquiry stage; Part 2-20: Commo

19、n design rules and construction General; Part 2-21: Common design rules and construction PVC insulation compounds; Part 2-22: Common design rules and construction PVC sheathing compounds; Part 2-23: Common design rules and construction PE insulation; Part 2-24: Common design rules and construction P

20、E sheathing; BS EN 50290-2-25:2013EN 50290-2-25:2013 - 4 - Part 2-25: Common design rules and construction Polypropylene insulation for compounds the present document; Part 2-26: Common design rules and construction Halogen free flame retardant insulation compounds; Part 2-27: Common design rules an

21、d construction Halogen free flame retardant thermoplastic sheathing compounds; Part 2-28: Common design rules and construction Filling compounds for filled cables; Part 2-29: Common design rules and construction Cross-linked PE insulation compounds; Part 2-30: Common design rules and construction Po

22、ly(tetrafluoroethylene-hexafluoropropylene) (FEP) insulation and sheathing; Part 2-32: Common design rules and construction Halogen free insulation compounds for flame retardant and fire resistant cables currently at Enquiry stage. _ BS EN 50290-2-25:2013- 5 - EN 50290-2-25:2013 1 Scope This Europea

23、n Standard gives specific requirements for PP compounds to be used for multi-element metallic data cables for indoor application. Type 1 is typically a copolymer with better low temperature properties. Type 2 is typically a homopolymer with superior hardness giving better crush resistance. Using com

24、pound and type test data as outlined in this standard, the compound supplier will have sufficient data to demonstrate compliance and warrant that the material is suitable for the specified application. 2 Normative references The following documents, in whole or in part, are normatively referenced in

25、 this document and are 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 50267-2-2, Common test methods for cables under fire conditions Tests on gases

26、evolved during combustion of materials from cables Part 2-2: Procedures Determination of degree of acidity of gases for materials by measuring pH and conductivity EN 50290-2-20, Communication cables Part 2-20: Common design rules and construction General EN 60216 (all parts), Electrical insulating m

27、aterials Thermal endurance properties (IEC 60216, all parts) EN 60811-401, Electric and optical fibre cables Test methods for non-metallic materials Part 401: Miscellaneous tests Thermal ageing methods Ageing in an air oven (IEC 60811-401) EN 60811-501, Electric and optical fibre cables Test methods

28、 for non-metallic materials Part 501: Mechanical tests Tests for determining the mechanical properties of insulating and sheathing compounds (IEC 60811-501) EN 60811-502, Electric and optical fibre cables Test methods for non-metallic materials Part 502: Mechanical tests - Shrinkage test for insulat

29、ions (IEC 60811-502) EN 60811-504, Electric and optical fibre cables Test methods for non-metallic materials Part 504: Mechanical tests Bending tests at low temperature for insulation and sheaths (IEC 60811-504) EN 60811-510, Electric and optical fibre cables Test methods for non-metallic materials

30、Part 510: Mechanical tests Methods specific to polyethylene and polypropylene compounds Wrapping test after thermal ageing in air (IEC 60811-510) EN ISO 179-1, Plastics Determination of Charpy impact properties Part 1: Non-instrumented impact test (ISO 179-1) EN ISO 527 (all parts), Plastics Determi

31、nation of tensile properties (ISO 527, all parts) EN ISO 868, Plastics and ebonite Determination of indentation hardness by means of a durometer (Shore hardness) (ISO 868) EN ISO 1133 (all parts), Plastics Determination of the melt mass-flow rate (MFR) and melt volume-flow rate (MVR) of thermoplasti

32、cs (ISO 1133, all parts) EN ISO 1183 (all parts), Plastics Methods for determining the density of non-cellular plastics (ISO 1183, all parts) BS EN 50290-2-25:2013EN 50290-2-25:2013 - 6 - EN ISO 5659-2, Plastics Smoke generation Part 2: Determination of optical density by a single-chamber test (ISO

33、5659-2) EN ISO 11357-6, Plastics Differential scanning calorimetry (DSC) Part 6: Determination of oxidation induction time (isothermal OIT) and oxidation induction temperature (dynamic OIT) (ISO 11357-6) IEC 60250, Recommended methods for the determination of the permittivity and dielectric dissipat

34、ion factor of electrical insulating materials at power, audio and radio frequencies including metre wavelengths ASTM D4565 (section 19), Standard Test Methods for Physical and Environmental Performance Properties of Insulations and Jackets for Telecommunications Wire and Cable; Section 19: Insulatio

35、n adhesion 3 Compound test requirements The tests are to be carried out on granules or moulded plaques produced from granules of compound. This data shall be provided by the compound supplier. For compounds intended for foam application the properties shall be measured on unexpanded material. Releva

36、nt test methods, requirements and limits shall be included in any supply specification of the compound. Specific requirements are shown in Tables 1 to 3. In the case of special applications, additional requirements could be specified. 4 Cable test requirements The anticipated performance assumes sta

37、ndard cable design and conventional process technology and is specified (Table 4). Using type test data the compound supplier is expected to demonstrate compliance and warrant that the material is suitable for the specified application. In the case of special applications, additional requirements co

38、uld be specified. 5 Health, Safety and Environmental Regulations The compounds are subject to Health, Safety and Environmental requirements as defined in EN 50290-2-20. Any deviations or compliance failures shall be identified by the compound supplier. BS EN 50290-2-25:2013- 7 - EN 50290-2-25:2013 T

39、able 1 Insulation compound Physical properties of granules CharacteristicsaTest method Unit Solid FoamdType 1 Type 2 1 DensitybEN ISO 1183 (all parts) g/cm3 0,915 0,915 0,915 2 Melt flow indexc(230C/2,16 kg) EN ISO 1133 (all parts) g/10 min To be specified To be specified To be specified 3 Hardness

40、Shore D (1 s) EN ISO 868 - 62 67 62 4 Low Temperature Brittleness (Charpy unnotched impact strength, -20C) EN ISO 179-1 KJ/m 25 10 25 5 Mechanical characteristics EN ISO 527 (all parts) 5.1 Tensile strength- median, min. MPa 25 25 25 5.2 Elongation at break- median, min. % na na na 6 Oxidative Induc

41、tion Time (200 C) EN ISO 11357-6 min 15 15 15 aAll values of Table 1 shall be provided by the compound supplier; see Clause 3. bTolerance for the nominal value of a specific compound is +/- 0,003 g/cm. cTolerance for the nominal value of a specific compound is +/- 25%. dApplicable also to Foam skin.

42、 Table 2 Insulation compound Dielectric properties CharacteristicsaTest method Unit Solid Foamc1 Dielectric constant at 1 MHza IEC 60250 - 4,3 4,3 5 5 5daAny procedure based on the Arrhenius principals which can predict 20 000 h life expectancy at the indicated temperature. bIf elongation at break c

43、annot be done(i.e. if the insulation cannot be removed from the conductor without damage), wrapping test according to EN 60811-510 shall be performed. cStress whitening occurring as a result of the wrapping shall not be interpreted as a crack. dConductor skin permitted if needed to achieve required

44、result. BS EN 50290-2-25:2013- 9 - EN 50290-2-25:2013 Bibliography 1 EN 50288 (all parts), Multi-element metallic cables used in analogue and digital communication and control 2 ISO 974, Plastics Determination of the brittleness temperature by impact This page deliberately left blankThis page delibe

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