ANSI ASTM D2903-2011 Standard Specification for Crosslinked Chlorinated Polyolefin Heat-Shrinkable Tubing for Electrical Insulation《电绝缘用交链氯化聚烯烃热缩管规范》.pdf
《ANSI ASTM D2903-2011 Standard Specification for Crosslinked Chlorinated Polyolefin Heat-Shrinkable Tubing for Electrical Insulation《电绝缘用交链氯化聚烯烃热缩管规范》.pdf》由会员分享,可在线阅读,更多相关《ANSI ASTM D2903-2011 Standard Specification for Crosslinked Chlorinated Polyolefin Heat-Shrinkable Tubing for Electrical Insulation《电绝缘用交链氯化聚烯烃热缩管规范》.pdf(4页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: D2903 11Standard Specification forCrosslinked Chlorinated Polyolefin Heat-Shrinkable Tubingfor Electrical Insulation1This standard is issued under the fixed designation D2903; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revi
2、sion, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This specification covers flexible crosslinked chlori-nated polyolefin heat-shrinkable tubing used
3、for electricalinsulating purposes. It is supplied in an expanded form and willshrink to the specified diameter when heated.NOTE 1This standard does not have a similar or equivalent IECstandard.1.2 The values stated in inch-pound units are to be regardedas standard. The values given in parentheses ar
4、e mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.2.1 In some cases, temperatures are described in degreesCelsius only.2. Referenced Documents2.1 ASTM Standards:2D412 Test Methods for Vulcanized Rubber and Thermoplas-tic ElastomersTensionD1
5、711 Terminology Relating to Electrical InsulationD2671 Test Methods for Heat-Shrinkable Tubing for Elec-trical UseD3636 Practice for Sampling and Judging Quality of SolidElectrical Insulating MaterialsE176 Terminology of Fire Standards2.2 Military Standards:3MIL-H-5606 Hydraulic Fluid Petroleum Base
6、,Aircraft, Mis-sile and OrdnanceMIL-T-5624 Turbine Fuel, Aviation, Grades JP4 and JP5MIL-L-7808 Lubrication Oil, Aircraft, Turbine Engine, Syn-thetic BaseMIL-L-23699 Lubrication Oil, Aircraft, Turbine Engines,Synthetic BaseMIL-A-8243 Anti-Icing and De-Icing Defrosting FluidMIL-G-5572 Fuel, Aviation,
7、 Grades 100 and 1302.3 Federal Standards:SS-S-550 Sodium Chloride, Technical, for Water SofteningUnits33. Terminology3.1 Definitions:3.1.1 For definitions pertaining to electrical insulation, referto Terminology D1711.3.1.2 For definitions pertaining to fire issues, refer to Ter-minology E176.3.2 De
8、finitions of Terms Specific to This Standard:3.2.1 chlorinated polyolefin, na polymer or polymerblend based on chlorinated polyolefin(s), chlorinated olefincopolymer(s) or chlorinated polybutadiene polymer(s).4. Classification4.1 Type INormal operating temperature.4.2 Type IIExtended operating tempe
9、rature.5. Ordering Information5.1 When ordering to this specification the purchaser muststate the type, class, and size of the tubing required.6. Materials and Manufacture6.1 The compound used in the manufacture of this heat-shrinkable tubing shall be based on chlorinated polyolefin asdefined in Sec
10、tion 3, Terminology. The finished compoundshall be free of foreign matter other than antioxidants, flameretardants, processing aids, crosslinking agents, pigments orother additives as appropriate.6.2 The tubing shall be extruded, crosslinked and thenexpanded to the required dimensions.7. Chemical Pr
11、operty Requirements7.1 The material shall conform to the chemical requirementsspecified in Tables 1 and 2.1This specification is under the jurisdiction of ASTM Committee D09 onElectrical and Electronic Insulating Materials and is the direct responsibility ofSubcommittee D09.07 on Electrical Insulati
12、ng Materials.Current edition approved Aug. 1, 2011. Published August 2011. Originallyapproved in 1970. Last previous edition approved in 2003 as D2903 03. DOI:10.1520/D2903-11.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. Fo
13、r Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Available from Naval Publications and Forms Center, 5801 Tabor Ave.,Philadelphia, PA 19120.*A Summary of Changes section appears at the end of this standardCopyright ASTM International
14、, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards, Guides a
15、nd Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.17.2 Every lot of material manufactured requires testing forflammability, but testing for all the other chemical propertyrequirements shall be conducted less frequently or at a fre-quency agreed upo
16、n by the purchaser and seller.8. Other Property Requirements8.1 The material shall conform to the mechanical, thermal,and electrical requirements of Table 3.8.2 Every lot of material manufactured shall be tested forheat shock, tensile strength, and elongation, but testing for allother requirements s
17、hall be conducted less frequently or at afrequency agreed upon by the purchaser and seller.9. Dimensional Requirements9.1 Both Type I and Type II tubing shall conform to thedimensional requirements of Tables 4 and 5.10. Workmanship10.1 Chlorinated polyolefin heat-shrinkable tubing shall behomogeneou
18、s and free from flaws and defects and from foreignmatter that have the potential to compromise its performance.11. Sampling11.1 A lot is defined as that material which is processed atthe same time and under essentially the same conditions inaccordance with this specification and submitted for inspec
19、tionat one time.11.2 Inspect a quantity of the end item selected at randomfrom each lot in accordance with Practice D3636 and Table 1.12. Tests and Retests12.1 If the results of any test do not conform to therequirements prescribed in this specification, make two addi-tional tests on different speci
20、mens from the same lot.12.2 If the results of either of the two additional tests do notconform to the requirements, the purchaser is entitled to rejectthe lot of material. A notice of nonconformance of materialbased on tests made according to this specification shall bereported to the manufacturer p
21、romptly and in writing.12.3 It is acceptable to replace or rework rejected tubing tocorrect the nonconformances and then resubmit for inspection.Before resubmitting, furnish to the inspector full particularsconcerning previous rejection and action taken to correct thenonconformances.13. Test Methods
22、13.1 Use the test methods described in Test Methods D2671unless stated otherwise in Table 2 or Table 3.13.2 To recover heat-shrinkable tubing in this specification,use a time of 10 min and a temperature of 175 6 1C (347 62F).14. Inspection14.1 The manufacturer or purchaser, or both, shall haveavaila
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