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1、BRITISH STANDARD BS 7933-2:2007 HD 631.2 S1:2007 Electric cables Accessories Material characterisation Part 2: Fingerprinting and type tests for heat shrinkable components for low voltage applications ICS 29.035.20; 29.060.20 ? Copyright British Standards Institution Provided by IHS under license wi
2、th BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 20:08:38 MDTNo reproduction or networking permitted without license from IHS -,-,- BS 7933-2:2007 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 March 200
3、8 BSI 2008 ISBN 978 0 580 56669 1 National foreword This British Standard is the UK implementation of HD 631.2 S1:2007. Together with BS 7933-1:2007 and BS EN 50393:2006 it supersedes BS 6910-1:1988 which is withdrawn. The UK participation in its preparation was entrusted by Technical Committee GEL/
4、20, Electric cables, to Subcommittee GEL/20/11, Cable accessories. 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 applica
5、tion. Amendments/corrigenda issued since publication DateComments Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 20:08:38 MDTNo reproduction or networking permitted without license from IHS -
6、,-,- HARMONIZATION DOCUMENT HD 631.2 S1 DOCUMENT DHARMONISATION HARMONISIERUNGSDOKUMENT December 2007 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart
7、35, B - 1050 Brussels 2007 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. HD 631.2 S1:2007 E ICS 29.035.20 English version Electric cables - Accessories - Material characterisation - Part 2: Fingerprinting and type tests for heat sh
8、rinkable components for low voltage applications Cbles lectriques - Accessoires - Caractrisation des matriaux - Partie 2: Essais didentification et essais de type pour les composants thermortractables pour les applications basse tension Kabel und isolierte Leitungen - Garnituren - Materialcharakteri
9、sierung - Teil 2: Fingerprint- und Typprfungen fr wrmeschrumpfende Komponenten fr Niederspannungsanwendungen This Harmonization Document was approved by CENELEC on 2007-09-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for implementat
10、ion of this Harmonization Document at national level. Up-to-date lists and bibliographical references concerning such national implementations may be obtained on application to the Central Secretariat or to any CENELEC member. This Harmonization Document exists in three official versions (English, F
11、rench, German). CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portuga
12、l, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 20:08:38 MDTNo reproduction or networking permitted without l
13、icense from IHS -,-,- HD 631.2 S1:2007 - 2 - Foreword This Harmonization Document was prepared by a task force under the direction of WG 11 of CENELEC TC 20, Electric cables. The text of the draft was submitted to the formal vote and was approved by CENELEC as HD 631.2 S1 on 2007-09-01. The followin
14、g dates were fixed: latest date by which the existence of the HD has to be announced at national level (doa) 2008-03-01 latest date by which the HD has to be implemented at national level by publication of a harmonized national standard or by endorsement (dop) 2008-09-01 latest date by which the nat
15、ional standards conflicting with the HD have to be withdrawn (dow) 2010-09-01 HD 631 will have 4 parts: Part 1: Fingerprinting and type tests for resinous compounds Part 2: Fingerprinting and type tests for heat shrinkable components for low voltage applications Part 3: Fingerprinting for heat shrin
16、kable components for medium voltage applications from 3,6/6 (7,2) kV up to 20,8/36 (42) kV Part 4: Fingerprinting for cold shrinkable components for low and medium voltage applications up to 20,8/36 (42) kV NOTE It has been assumed in the preparation of this document that the execution of its provis
17、ions will be entrusted to appropriately qualified and experienced people, for whose use it has been produced. WARNING This Harmonization Document calls for the use of substances and/or procedures that may be injurious to health if adequate precautions are not taken. It refers only to technical suita
18、bility and does not absolve the user from legal obligations relating to health and safety at any stage. _ Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 20:08:38 MDTNo reproduction or network
19、ing permitted without license from IHS -,-,- - 3 - HD 631.2 S1:2007 Contents 1 Scope4 2 Normative references.4 3 Terms and definitions5 4 Fingerprinting.6 4.1 General6 4.2 Sampling6 4.3 Preparation and conditioning6 4.4 Tests6 4.5 Test report6 5 Type tests.7 5.1 General7 5.2 Sampling8 5.3 Preparatio
20、n and conditioning8 5.4 Tests8 5.5 Test report8 Annex A (informative) Health and safety.14 Annex B (normative) Dimensions after full recovery15 Annex C (normative) General requirements16 Figure 1 Assembly for peel test 12 Table 1 Fingerprinting: Test methods and requirements7 Table 2 Type tests: Tes
21、t methods and requirements.9 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 20:08:38 MDTNo reproduction or networking permitted without license from IHS -,-,- HD 631.2 S1:2007 - 4 - 1 Scope T
22、his Harmonisation Document specifies the test methods and requirements for a) fingerprinting (as defined in 3.7), b) type testing (as defined in 3.8). of heat shrinkable components intended to be used for electrical insulation or electrical insulation and mechanical protection in cable accessories f
23、or low voltage, as defined in EN 50393. Fingerprinting and type testing of materials do not have a mandatory link to type testing of accessories. They shall be regarded as stand-alone tests, but can be carried out in combination with the accessory type tests. NOTE Information on health and safety is
24、 given in Annex A. 2 Normative references The following referenced 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. EN 5039
25、3, Test methods and requirements for accessories for use on distribution cables of rated voltage 0,6/1,0 (1,2) kV EN 60243-1, Electrical strength of insulating materials Test methods Part 1: Test at power frequencies (IEC 60243-1) EN 60296, Fluids for electrotechnical applications - Unused mineral i
26、nsulating oils for transformers and switchgear (IEC 60296) EN 60684-2, Flexible insulating sleeving - Part 2: Methods of test (IEC 60684-2) EN 60811-2-1, Insulating and sheathing materials of electric and optical cables Common test methods Part 2-1: Methods specific to elastomeric compounds Ozone re
27、sistance, hot set and mineral oil immersion tests (IEC 60811-2-1) HD 429, Methods of test for volume resistivity and surface resistivity of solid electrical insulating materials (IEC 60093) EN 1426, Bitumen and bituminous binders - Determination of needle penetration EN 1465, Adhesives. Determinatio
28、n of tensile lap-shear strength of rigid-to-rigid bonded assemblies (ISO 4587, mod.) EN ISO 62, Plastics - Determination of water absorption (ISO 62) EN ISO 527-2, Plastics - Determination of tensile properties - Part 2: Test conditions for moulding and extrusion plastics (ISO 527-2) EN ISO 868, Pla
29、stics and ebonite - Determination of indentation hardness by means of a durometer (Shore hardness) (ISO 868) EN ISO 1183 series, Plastics - Method for determining the density of noncellular plastic (ISO 1183 series) EN ISO 11358, Plastics - Thermogravimetry (TG) of polymers - General principles (ISO
30、 11358) IEC 60050-461, International Electrotechnical Vocabulary Chapter 461: Electric cables ISO 8013, Rubber, vulcanized - Determination of creep in compression ISO 11357-3, Plastics - Differential scanning calorimetry (DSC) - Part: 3 Determination of temperature and enthalpy of melting and crysta
31、llisation ASTM E28-99:2004, Standard test methods for softening point of resins derived from naval stores by ring- and-ball apparatus Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 20:08:38 M
32、DTNo reproduction or networking permitted without license from IHS -,-,- - 5 - HD 631.2 S1:2007 3 Terms and definitions For the purposes of this document the following terms and definitions apply together with those given in IEC 60050-461 3.1 heat shrink property of a polymeric component previously
33、expanded to recover to its original shape when heated above an appropriate temperature 3.2 heat shrinkable component expanded polymeric extruded tubing or moulded part which undergoes thermally activated recovery when heated to an appropriate temperature 3.3 tubing tube of heat shrinkable polymeric
34、material cut to a predetermined length 3.4 wraparound sleeve flat sheet of heat shrinkable polymeric material, which can be wrapped to form tubing 3.5 moulded part formed piece of heat shrinkable polymeric material shaped to fit specific configuration 3.6 sealant material, which when used in conjunc
35、tion with heat shrinkable components, forms a barrier along interfaces NOTE The sealant (for example holt melt or mastic) may be pre-coated on the heat shrink component or applied separately. 3.7 fingerprinting tests made to establish and subsequently confirm the properties of materials or component
36、s used in cable accessories 3.8 type test tests made on the material or component of a cable accessory in order to demonstrate satisfactory performance characteristics to meet the intended application 3.9 deviation variation of a property between the initial test values and test values measured on n
37、ew samples at a later date 3.10 intial test tests made to establish the properties of materials or components used in cable accessories Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 20:08:38
38、 MDTNo reproduction or networking permitted without license from IHS -,-,- HD 631.2 S1:2007 - 6 - 4 Fingerprinting 4.1 General Tests shall be carried on heat shrinkable components as defined in Table 1. 4.2 Sampling Samples for fingerprinting shall be taken from material stored under conditions pres
39、cribed by the supplier. The fingerprinting test of heat shrinkable components shall be carried out either a) as a stand-alone test. Samples used for the initial test shall be taken from material available with or without sealant as agreed between supplier and user, or b) in combination with an acces
40、sory type test. Samples used for the initial test shall be taken from the same batch as those used in the accessory type test with or without sealant. In the event that no material from the same batch is available, the samples used for the initial test shall be taken from material available as agree
41、d between supplier and user. 4.3 Preparation and conditioning After full recovery in an air circulating oven at (200 5) C for 5 0 20+ min, original components shall be individually prepared and conditioned in accordance with relevant test methods. For components with sealant, the sealant shall be re
42、moved when required (as specified in the remarks column of Table 1), before running the test. 4.4 Tests Components shall be tested in accordance with the test methods specified in Table 1. 4.5 Test report The test report shall include the following data: a) part number or identification; b) batch nu
43、mber and/or manufacturing date; c) tests method and results; d) copy of technical data sheet (TDS) and material safety data sheet (MSDS), if any (refer to Annex A); e) major test parameters, including conditioning and calibration. Copyright British Standards Institution Provided by IHS under license
44、 with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 20:08:38 MDTNo reproduction or networking permitted without license from IHS -,-,- - 7 - HD 631.2 S1:2007 Table 1 - Fingerprinting: Test methods and requirements Requirements Material property Test method Unit Dev
45、iation Comments Dimensions after full recovery a Annex B - Inner diameter (d1) mm (+0/-10) % - Wall thickness (Wc) mm (+0/-10) % Density (measured without sealant) EN ISO 1183 g/cm3 5 % Differential scanning calorimetry (DSC) b ISO 11357-3 - Measured without sealant C 5 K - Measured with sealant C 5
46、 K Thermal gravimetric analysis (TGA) b EN ISO 11358 Polymer: Weight loss Mean temperature % C 10 % 15 K Measured without sealant Carbon black: Weight loss Mean temperature Content % C % 10 % 15 K 2,5 Measured without sealant Filler: Weight loss Mean temperature % C 10 % 15 K Measured without sealan
47、t Sealant: Weight loss Mean temperature % C 10 % 15 K a Test to be run on component as received. For nominal value, refer to the product data sheet. b Test sequence and conditions shall be clearly recorded in the test reports. The same sequence and conditions shall be used when the test is re-conduc
48、ted; calibration details and the equipment type and model shall be the same. 5 Type tests 5.1 General Tests shall be carried out based on the category of the heat shrinkable components as defined in Table 1. These tests are of such a nature that, once successfully completed, they need not be repeated unless changes are made in the materi