BSI Standards Publication BS EN 50290 2 23 2013 Communication cables Part 2 23 Common design rules and construction — Polyethylene insulation for multi pair cables used in access telecommunication net[.]
BS EN 50290-2-23:2013 BSI Standards Publication Communication cables Part 2-23: Common design rules and construction — Polyethylene insulation for multi-pair cables used in access telecommunication networks: Outdoor cables BS EN 50290-2-23:2013 BRITISH STANDARD National foreword This British Standard is the UK implementation of EN 50290-2-23:2013 It supersedes BS EN 50290-2-23:2002 which is withdrawn The UK participation in its preparation was entrusted to Technical Committee EPL/46, Cables, wires and waveguides, radio frequency connectors and accessories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 on request to its secretary This publication does not purport to include all the necessary provisions of a contract Users are responsible for its correct application © The British Standards Institution 2013 Published by BSI Standards Limited 2013 ISBN 978 580 82665 ICS 29.035.20; 33.120.10 Compliance with a British Standard cannot confer immunity from legal obligations This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 November 2013 Amendments issued since publication Date Text affected BS EN 50290-2-23:2013 EN 50290-2-23 EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM November 2013 ICS 29.035.20; 33.120.10 Supersedes EN 50290-2-23:2001 English version Communication cables Part 2-23: Common design rules and construction Polyethylene insulation for multi-pair cables used in access telecommunication networks: Outdoor cables Câbles de communication Partie 2-23: Règles de conception communes et construction Polyéthylène pour enveloppes isolantes Kommunikationskabel Teil 2-23: Gemeinsame Regeln für Entwicklung und Konstruktion – Polyethylen-Isoliermischungen für vielpaarige Kabel in Telekommunikationsnetzwerken: Außenkabel This European Standard was approved by CENELEC on 2013-09-16 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 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, 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, Belgium, 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, Sweden, Switzerland, Turkey and the United Kingdom CENELEC European Committee for Electrotechnical Standardization Comité Européen de Normalisation Electrotechnique Europäisches Komitee für Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B - 1000 Brussels © 2013 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members Ref No EN 50290-2-23:2013 E BS EN 50290-2-23:2013 EN 50290-2-23:2013 -2- Contents Foreword Scope Normative references Compound test requirements Cable test requirements Health, Safety and Environmental Regulations Bibliography 10 BS EN 50290-2-23:2013 -3- EN 50290-2-23:2013 Foreword This document (EN 50290-2-23:2013) has 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 publication of an identical national standard or by endorsement latest date by which the national standards conflicting with this document have to be withdrawn (dop) 2014-09-16 (dow) 2016-09-16 This document supersedes EN 50290-2-23:2001 EN 50290-2-23:2013 includes the following significant technical changes with respect to EN 50290-2-23:2001: − The document has been entirely restructured − The main change is the introduction of the new Table for the test to be performed on granules This document should be read in conjunction with Part 2-20 of EN 50290, the product standard EN 50407 (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 patent 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 Designed 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 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: Common 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 [the present document]; BS EN 50290-2-23:2013 EN 50290-2-23:2013 -4- − Part 2-24: Common design rules and construction PE sheathing; − Part 2-25: Common design rules and construction Polypropylene insulation for compounds; − Part 2-26: Common design rules and construction Halogen free flame retardant insulation compounds; − Part 2-27: Common design rules and 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 Poly(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 50290-2-23:2013 -5- EN 50290-2-23:2013 Scope This European Standard gives specific requirements for PE compounds to be used for the insulation of telephone wire for external plant Using raw material and type test data as outlined in this standard, the raw material supplier will have sufficient data to demonstrate compliance and warrant that the material is suitable for the specified application Normative references The following documents, in whole or in part, are normatively referenced in 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 50290-2-20, Communication cables Part 2-20: Common design rules and construction General EN 60216 (all parts), Electrical insulating materials 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 60811-407, Electric and optical fibre cables Test methods for non-metallic materials Part 407: Miscellaneous tests Measurement of mass increase of polyethylene and polypropylene compounds (IEC 60811-407) EN 60811-408, Electric and optical fibre cables Test methods for non-metallic materials Part 408: Miscellaneous tests Long-term stability test of polyethylene and polypropylene compounds (IEC 60811-408) EN 60811-501, Electric and optical fibre cables Test methods for non-metallic materials Part 501: Mechanical tests Tests for determining the mechanical properties of insulating and sheathing compounds (IEC 60811-501) EN 60811-502, Electric and optical fibre cables Test methods for non-metallic materials Part 502: Mechanical tests Shrinkage test for insulations (IEC 60811-502) EN 60811-510, Electric and optical fibre cables Test methods for non-metallic materials Part 510: Mechanical tests Methods specific to polyethylene and polypropylene compounds Wrapping test after thermal ageing in air (IEC 60811-510) EN 60811-512, Electric and optical fibre cables Test methods for non-metallic materials Part 512: Mechanical tests Methods specific to polyethylene and polypropylene compounds Tensile strength and elongation at break after conditioning at elevated temperature (IEC 60811-512) EN 60811-513, Electric and optical fibre cables Test methods for non-metallic materials Part 513: Mechanical tests Methods specific to polyethylene and polypropylene compounds Wrapping test after conditioning (IEC 60811-513) EN ISO 527-1:2012, (ISO 527-1:2012) Plastics Determination of tensile properties Part 1: General principles EN ISO 527-2:2012, Plastics Determination of tensile properties Part 2: Test conditions for moulding and extrusion plastics (ISO 527-2:2012) BS EN 50290-2-23:2013 EN 50290-2-23:2013 -6- EN ISO 527-3:1995, Plastics Determination of tensile properties Part 3: Test conditions for films and sheets (ISO 527-3:1995) EN ISO 527-4:1997, Plastics Determination of tensile properties Part 4: Test conditions for isotropic and orthotopic fibre-reinforced plastic composites (ISO 527-4:1997) EN ISO 527-5:2009, Plastics Determination of tensile properties Part 5: Test conditions for unidirectional fibre-reinforced plastic composites (ISO 527-5:2009) 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 thermoplastics (ISO 1133, all parts) EN ISO 1183 (all parts), Plastics Methods for determining the density of non-cellular plastics (ISO 1183, all parts) 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) ISO 974, Plastics Determination of the brittleness temperature by impact 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 Relevant test methods, requirements and limits shall be included in any supply specification of the compound Specific requirements are shown in Table In the case of special applications, additional requirements could be specified Cable test requirements The anticipated performance assumes standard cable design and conventional process technology and is specified (Table 2) 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 could be specified 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 -7- EN 50290-2-23:2013 Table Insulation compounds Physical properties of granules Characteristics a Test method Unit Solid Foam d LD/MD HD A B C ≤ 0,940 >0,940 to be recorded to be recorded to be recorded EN ISO 1183 (all parts) g/cm EN ISO 1133 (all parts) g/10 ≤ 0,5 e ≤ 2,5 ≤ 1,0 n/a n/a n/a Melt flow index (140 °C/5,0 kg) EN ISO 1133 (all parts) g/10 n/a n/a to be recorded to be recorded to be recorded Hardness Shore D (1 s) EN ISO 868 [-] >50 >58 >50 >58 >58 Low Temperature brittleness ISO 974 °C < -76 < -76 < -76 < -76 < -76 Mechanical characteristics 5.1 Tensile strength- median, MPa 12 18 12 15 18 5.2 Elongation at break- median, % 300 300 300 300 300 >50 >50 >50 >50 >50 % 6 6 b Density 2a Melt flow index (190 °C/2,16 kg) 2b a c c EN ISO 527 (all parts) Oxidative Induction Time (200 °C) Measurement of mass increase max f EN ISO 11357-6 g EN 60811-407 All values of Table shall be provided by the compound supplier; see Clause Tolerance for the nominal value of a specific compound is +/- 0,003 g/cm³ c Tolerance for the nominal value of a specific compound is +/- 25% d For Foam-Skin application e For LLDPE or LMDPE f Alternatively, the test may be carried out on granules in presence of a piece of copper conductor with typical minimum value of 30 g To be measured on a sample cut from a pressed plaque of 0,5 mm Test specimen according to EN ISO 527-1:2012, Clause 5, EN ISO 527-2:2012, Clause 5, EN ISO 527-3:1995, Clause 5, EN ISO 527-4:1997, Clause and EN ISO 527-5:2009, Clause 5, is a convenient sample format b EN 50290-2-23:2013 -8Table Wire insulation properties Characteristics Maximum rated temperature of cable for which the compound can be used Mechanical characteristics Test method EN 60216 a (all parts) Unit Solid Foam b LD/MD HD A B C °C 70 80 70 70 70 MPa 10 18 3,5 % 300 300 125 150 300 °C h % 100 ± 115 ± 100 ± 100 ± 100 ± °C h % 100 ± 10 x 24 300 100 ± 10 x 24 300 80 ± x 24 125 80 ± x 24 125 c 100 ± x 24 200 °C h 100 ± 14 x 24 No crack 100 ± 14 x 24 No crack 100 ± 14 x 24 No crack 100 ± 14 x 24 No crack 100 ± 14 x 24 No crack EN 60811-501 Results to be obtained 2.1 Tensile strength- median,min 2.2 Elongation at break- median,min Shrinkage - temperature - duration Result to be obtained, max EN 60811-502 Elongation at break after ageing e for unfilled cables - temperature - duration Result to be obtained- median,min EN 60811-401 Wrapping after ageing - temperature - duration Result to be obtained EN 60811-510 c -9- EN 50290-2-23:2013 Table (continued) Characteristics 6.1 6.2 Performances after conditioning at elevated temperature d for filled cables - temperature - duration e Test method Elongation at break Result to be obtained - median,min - variation,max EN 60811-501 Wrapping test EN 60811-513 a b c d e f g Long term stability test - temperature - duration Result to be obtained f Measurement of mass increase g for filled cables - temperature - duration Result to be obtained- max Solid Foam b LD/MD HD A B C °C h 60/70 ± x 24 60/70 ± x 24 60/70 ± x 24 60/70 ± x 24 60/70 ± x 24 % % 200 ± 30 200 ± 30 100 - 100 - 200 - °C h 70 ± 24 No crack 70 ± 24 No crack 70 ± 24 No crack 70 ± 24 No crack 70 ± 24 No crack °C h 100 ± 42 x 24 No crack 100 ± 42 x 24 No crack n/a n/a 100 ± 42 x 24 No crack °C h % 60/70 ± 10 x 24 13 60/70 ± 10 x 24 13 60/70 ± 10 x 24 18 60/70 ± 10 x 24 18 60/70 ± 10 x 24 15 EN 60811-512 - temperature - duration Result to be obtained 6.3 Unit EN 60811-408 EN 60811-407 Any procedure based on the Arrhenius principals which can predict 20 000 h life expectancy at the indicated temperature Foam-skin application When cellular part is based on HD resin the ageing temperature shall be 100 °C For information only, OIT after pre-conditioning may be recorded If elongation at break cannot 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 For monitoring both raw materials and cables, OIT test may be performed in accordance with EN 60811-408 with typical minimum value of 15 Only to be performed on solid and foam-skin insulation BS EN 50290-2-23:2013 EN 50290-2-23:2013 (E) - 10 - Bibliography [1] EN 50407-1, Multi-pair cables used in high bit rate digital access telecommunication networks Part 1: Outdoor cables 1) [2] prEN 50407-2 , Multi-pair cables used in high bite rate digital access telecommunication networks Part 2: Indoor multi-pair/quad cables for installation in Multi Dwelling Units shaft supporting universal services, xDSL and applications up to 100 MBits over IP [3] EN 60811-201, Electric and optical fibre cables Test methods for non-metallic materials Part 201: General tests Measurement of insulation thickness (IEC 60811-201) [4] EN 60811-203, Electric and optical fibre cables Test methods for non-metallic materials Part 203: General tests Measurement of overall dimensions (IEC 60811-203) 1) Currently at Enquiry stage This page deliberately left blank NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW British Standards Institution 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