1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationFlexible insulating sleevingPart 3: Specifications for individual types of sleeving Sheet 271: Heat-shrinkable elastomer sleevings, flame retarted, fluid resistant, shrink ratio
2、2:1BS EN 60684-3-271:2011National forewordThis British Standard is the UK implementation of EN 60684-3-271:2011. It isidentical to IEC 60684-3-271:2011. It supersedes BS EN 60684-3-271:2004,which will be withdrawn on 26 July 2014.The UK participation in its preparation was entrusted by Technical Com
3、mitteeGEL/15, Solid electrical insulating materials, to Subcommittee GEL/15/5,Flexible insulating sleeving for electrical purposes.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provision
4、s of acontract. Users are responsible for its correct application. BSI 2011ISBN 978 0 580 61811 6ICS 29.035.20Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of the StandardsPolicy and Strategy Committee on 30 Se
5、ptember 2011.Amendments issued since publicationAmd. No. Date Text affectedBRITISH STANDARDBS EN 60684-3-271:2011EUROPEAN STANDARD EN 60684-3-271 NORME EUROPENNE EUROPISCHE NORM August 2011 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechniqu
6、e Europisches Komitee fr Elektrotechnische Normung Management Centre: Avenue Marnix 17, B - 1000 Brussels 2011 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60684-3-271:2011 E ICS 29.035.20 Supersedes EN 60684-3-271:2004English
7、version Flexible insulating sleeving - Part 3: Specifications for individual types of sleeving - Sheet 271: Heat-shrinkable elastomer sleevings, flame retarded, fluid resistant, shrink ratio 2:1 (IEC 60684-3-271:2011) Gaines isolantes souples - Partie 3: Spcifications pour types particuliers de gain
8、es - Feuille 271: Gaines thermortractables en lastomre, retardes la flamme, rsistant aux fluides, rapport de rtreint 2:1 (CEI 60684-3-271:2011) Isolierschluche - Teil 3: Anforderungen fr einzelne Schlauchtypen - Blatt 271: Wrmeschrumpfende Elastomerschluche, flammwidrig, flssigkeitsbestndig, Schrump
9、fverhltnis 2:1 (IEC 60684-3-271:2011) This European Standard was approved by CENELEC on 2011-07-26. 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.
10、 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 translat
11、ion 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, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Eston
12、ia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 60684-3-271:2011EN 60684-3-271:2011 - 2 - Foreword The text o
13、f document (15/627/FDIS), future edition 3 of IEC 60684-3-271, prepared by IEC TC 15, Solid electrical insulating materials, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 60684-3-271 on 2011-07-26. This European Standard supersedes EN 60684-3-271:2004. EN 60684-3-2
14、71:2011 includes the following significant technical change from EN 60684-3-271:2004: the addition of a type of sleeving suitable for use at temperatures up to 150 C. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and CENELEC
15、 shall not be held responsible for identifying any or all such patent rights. 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 endorsement (dop) 2012-04-26 latest date by which the national stan
16、dards conflicting with the EN have to be withdrawn (dow) 2014-07-26 Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 60684-3-271:2011 was approved by CENELEC as a European Standard without any modification. _ BS EN 60684-3-271:2011- 3 - EN 60684-3-2
17、71:2011 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the
18、latest edition of the referenced document (including any amendments) applies. NOTE When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 60684-1 2003 Flexible insulating sleeving - Part 1: De
19、finitions and general requirements EN 60684-1 2003 IEC 60684-2 + corr. December 1997 1997 Flexible insulating sleeving - Part 2: Methods of test EN 60684-2 1997 IEC 60757 1983 Code for designation of colours HD 457 S1 1985 ISO 846 1997 Plastics - Evaluation of the action of microorganisms EN ISO 846
20、 1997 ISO 1817 2005 Rubber, vulcanized - Determination of the effect of liquids - - BS EN 60684-3-271:2011 4 60684-3-271 IEC:2011 INTRODUCTION This International Standard is part of a series which deals with flexible insulating sleeving for electrical purposes. The series consists of three parts: Pa
21、rt 1: Definitions and general requirements (IEC 60684-1) Part 2: Methods of test (IEC 60684-2) Part 3: Specifications for individual types of sleeving (IEC 60684-3) This standard is one of the sheets comprising Part 3, as follows: Sheet 271: Heat-shrinkable elastomer sleevings, flame retarded, fluid
22、 resistant, shrink ratio 2:1. BS EN 60684-3-271:201160684-3-271 IEC:2011 5 FLEXIBLE INSULATING SLEEVING Part 3: Specifications for individual types of sleeving Sheet 271: Heat-shrinkable elastomer sleevings, flame retarded, fluid resistant, shrink ratio 2:1 1 Scope This part of IEC 60684 gives the r
23、equirements for four types of heat-shrinkable, flame retarded, fluid resistant, elastomer sleevings, nominal shrink ratio of 2:1. Type A: standard wall thickness for use at temperatures up to 120 C Type B: thin wall thickness for use at temperatures up to 120 C Type C: standard wall thickness for us
24、e at temperatures up to 150 C Type D: thin wall thickness for use at temperatures up to 150 C These sleevings are normally supplied with internal diameters up to 102 mm for the standard wall thickness and up to 51 mm for the thin wall thickness. The standard colour is black. Sizes or colours other t
25、han those specifically listed in this standard may be available as custom items. These items are considered to comply with this standard if they comply with the property requirements listed in Tables 1, 2, 3, 4, 5 and 6 except for dimensions and mass. Materials which conform to this specification me
26、et established levels of performance. However, the selection of a material by a user for a specific application should be based on the actual requirements necessary for adequate performance in that application and not based on this specification alone. 2 Normative references The following referenced
27、 documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60684-1:2003, Flexible insulating sleeving Part 1: Definitions and ge
28、neral requirements IEC 60684-2:1997, Flexible insulating sleeving Part 2: Methods of test IEC 60757:1983, Code for designation of colours ISO 846:1997, Plastics Evaluation of the action of micro-organisms ISO 1817:2005, Rubber, vulcanized Determination of the effect of liquids BS EN 60684-3-271:2011
29、 6 60684-3-271 IEC:2011 3 Designation The sleeving shall be identified by the following designation: Description IEC publication number IEC part number IEC sheet number Type Size (expanded/ recovered internal diameter, in mm) Colour Table 6* Code Sleeving IEC 60684 - 3 - 271 - A - 12,7/6,4 BK X Any
30、abbreviation for colour shall comply with IEC 60757, where applicable. Non-standard colours shall be written out in full. * The addition of “X” at the end of the designation indicates that the properties contained in Table 6 have been agreed upon between the user and supplier. 4 Conditions of test U
31、nless otherwise specified, the sleeving shall be shrunk in a forced air circulation oven for (5 1) min at 200 C 5 K prior to testing. 5 Requirements In addition to the general requirements given in IEC 60684-1, the sleeving shall comply with the requirements of Tables 1, 2, 3, 4, 5 and 6 where appli
32、cable. 6 Sleeving conformance Product conformance shall normally be based on the results from size 12,7/6,4 mm black sleeving. The colour fastness to light shall be qualified for all colours. BS EN 60684-3-271:201160684-3-271 IEC:2011 7 Table 1 Dimensional and mass requirements for Type A and C Size
33、 code Internal diameter mm Recovered wall thickness mm Mass per unit length Max. g/m Expanded Min. Recovered Max. 3,2/1,6 3,2 1,6 0,75 0,15 10,3 4,8/2,4 4,8 2,4 0,85 0,20 16,5 6,4/3,2 6,4 3,2 0,90 0,20 21,6 9,5/4,8 9,5 4,8 1,00 0,20 32,8 12,7/6,4 12,7 6,4 1,20 0,30 54,0 19,0/9,5 19,0 9,5 1,45 0,35 9
34、2,8 25,4/12,7 25,4 12,7 1,80 0,45 154 38,0/19,0 38,0 19,0 2,40 0,50 290 51,0/25,4 51,0 25,4 2,80 0,50 432 76,0/38,0 76,0 38,0 3,20 0,60 724 102,0/51,0 102,0 51,0 3,60 0,70 1 083 Table 2 Dimensional and mass requirements for Type B and D Size code Internal diameter mm Recovered wall thickness mm Mass
35、 per unit length Max. g/m Expanded Min. Recovered Max. 2,4/1,2 2,4 1,2 0,50 0,10 5,0 3,2/1,6 3,2 1,6 0,50 0,10 6,0 4,8/2,4 4,8 2,4 0,50 0,10 8,2 6,4/3,2 6,4 3,2 0,65 0,15 14,6 9,5/4,8 9,5 4,8 0,65 0,15 20,4 12,7/6,4 12,7 6,4 0,65 0,15 26,2 19,0/9,5 19,0 9,5 0,75 0,15 42,7 25,4/12,7 25,4 12,7 0,90 0,
36、15 65,8 31,5/15,0 31,5 15,0 1,00 0,20 88,6 38,0/19,0 38,0 19,0 1,00 0,20 111 51,0/25,4 51,0 25,4 1,15 0,25 171 BS EN 60684-3-271:2011 8 60684-3-271 IEC:2011 Table 3 Property requirements Property IEC 60684-2 clause or subclause Units Max. or min. Requirements Remarks Dimensions internal diameter wal
37、l thickness concentricity expanded recovered 3 3.1.2 3.3.2 3.3.3 mm mm % Min. Tables 1 and 2 Tables 1 and 2 65 85 Heat shock Tensile strength Elongation at break 6 19.1 and 19.2 19.1 and 19.2 MPa % Min. Min. 8 200 Heat at 215 C 5 K. Longitudinal change 9 % Max. 0 10 Heat the expanded sleeving at 200
38、 C 5 K for (5 1) min. Bending at low temperature 14 There shall be no signs of cracking. Condition at 75 C 3 K. For strips, the mandrel shall be no more than 10 times the wall thickness. Full section sleeving is tested unfilled and the mandrel shall be no more than 10 times the outer diameter. Dimen
39、sional stability on storage 16 The dimensions shall be as specified in Tables 1 and 2. Tensile strength Elongation at break 19.1 and 19.2 19.1 and 19.2 MPa % Min. Min. 12 350 Use a jaw separation rate of 100 mm/min. Below 6,5 mm diameter as sleeving; at 6,5 mm diameter and above as dumb-bells. Secan
40、t modulus at 2 % elongation 19.4 MPa MPa Min. Max. 15 35 Breakdown voltage 21 kV Min. Table 4 Volume resistivity at room temperature after damp heat 23 23.4.2 23.4.4 m m Min. Min. 108107 Flame propagation Time of burning Length burned 26 Method C s mm Max. Max. 30 75 BS EN 60684-3-271:201160684-3-27
41、1 IEC:2011 9 Table 3 (continued) Property IEC 60684-2 clause or subclause Units Max. or min. Requirements Remarks Copper corrosion 33 % Max. None above the allowable 8 % Heat for (16 0,5) h at 150 C 3 K. Colour fastness to light 34 The colour contrast between the exposed and unexposed parts of the s
42、pecimens shall be equal to or less than that of the fastness standard. Fastness standard No. 5 Resistance to selected fluids Tensile strength Elongation at break 36 19.1 and 19.2 19.1 and 19.2 MPa % Min. Min. 8 250 Use the fluids and test temperatures specified in Table 5. Immersion time (24 1) h Ma
43、ss per unit length 38 g/m Max. Table 1 Heat ageing Tensile strength Elongation at break 39 19.1 and 19.2 19.1 and 19.2 MPa % Min. Min. 10 200 Test temperature 160 C 3 K Water absorption 40 % Max. Type A/C 2,0 TypeB/D 3,5 Long-term ageing Elongation 50 19.1 and 19.2 % Min Type A/B 175 Type C/D 75 The
44、 ageing temperature shall be 120 C 2 K for Types A and B. The ageing temperature shall be 150 C 3 K for Types C and D. BS EN 60684-3-271:2011 10 60684-3-271 IEC:2011 Table 4 Requirements for breakdown voltage Nominal recovered wall thickness amm Breakdown voltage Min. kV 0,50 0,65 0,75 0,85 0,90 1,0
45、0 1,15 1,20 1,45 1,80 2,40 2,80 3,20 3,60 4,0 5,5 6,0 6,5 7,0 8,0 9,0 9,5 11,0 14,0 19,0 22,0 25,0 28,0 The breakdown voltage shall be determined by any of the methods described in 21.2, 21.3 or 21.4 of IEC 60684-2. The central value shall comply with the minimum value in this table. The rate of app
46、lication of the voltage shall be 500 V/s. aFor non-standard wall thicknesses, the electric strength shall be at least that of the next smaller standard wall thickness. For wall thicknesses smaller than 0,50 mm, the electric strength shall be at least 8,0 kV/mm.BS EN 60684-3-271:201160684-3-271 IEC:2
47、011 11 Table 5 Resistance to selected fluids Fluids Type Standard or symbol Immersion temperature C 2 K Fuels Gasoline ISO 1817 Liquid B 23 Kerosene ISO 1817 Liquid F 70 Hydraulic fluid Phosphate base ISO 1817 Liquid 103 23 Silicone base S-1714 a70 Mineral base H-520 a50 Oils Synthetic base ISO 1817
48、 Liquid 101 23 Mineral base ISO 1817 Oil no. 2 70 Mineral base O-1176 a70 Mineral base O-142 a50 Cleaning fluid Solvent Isopropyl alcohol 23 Propanol 25 % White spirit 75 % 23 Methylethylketone 23 De-icing fluids Runway de-icers Inhibited potassium acetate with water, 50 % 23 Aircraft de-icers Ethylene glycol 80 % Water 20 % 23 NOTE Other fluids and/or temperatures may be specified for customers with specific needs. These additional fluids and/or temperatures should be applicable when incorporated into agreements between the supplier and the customer. aTh
