1、Designation:D843622Standard Specification forFluoropolymer-based Materials for Use for Encapsulation ofDownhole Cable1This standard is issued under the fixed designation D8436;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year
2、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.Scope1.1 This specification covers thermoplastic fluoropolymer-based materials,intended for use as an encapsulation materialfor d
3、ownhole cables used during well completion by thepetroleum and natural gas industries.1.2 The fluoropolymers covered by this specification in-clude but are not limited to the following:ethylene tetrafluo-roethylene(ETFE),polyethylene chlorotetrafluoroethylene(ECTFE),fluorinated ethylene propylene(FE
4、P),polyvi-nylidene fluoride(PVDF),copolymers of PVDF,polychloro-trifluoroethylene(PCTFE),polytetrafluoroethylene(PTFE),and perfluoroalkoxy alkane(PFA).1.3 This specification establishes common temperature rat-ings for the encapsulation materials and also describes require-ments for alternative tempe
5、rature ratings.1.4 The applications for the encapsulation materials coveredby this specification are all associated with downhole cablesused during well completion.Such applications include,but arenot limited to,the following:control lines(CL),tubing encasedconductors(TEC),tubing encased fiber cable
6、s(TEF),andtubing encased power cables(TEPC).Other downhole cableproducts such as surface-controlled sub-surface safety valves(SCSSV or SSSV)and chemical injection lines/chemicalinjection tubes(CIL/CIT)are also covered by this specifica-tion.1.5 The values stated in SI units are to be regarded asstan
7、dard.The values given in parentheses after SI units areprovided for information only and are not considered standard.1.6 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate s
8、afety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.7 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of
9、 International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D543 Practices for Evaluating the Resistance of Plastics toChemical ReagentsD618 Practice for Conditioning Plastics for Testi
10、ngD638 Test Method for Tensile Properties of PlasticsD883 Terminology Relating to PlasticsD975 Specification for Diesel FuelD1708 Test Method for Tensile Properties of Plastics by Useof Microtensile SpecimensD1711 Terminology Relating to Electrical InsulationD2633 Test Methods for Thermoplastic Insu
11、lations andJackets for Wire and CableD2863 Test Method for Measuring the Minimum OxygenConcentration to Support Candle-Like Combustion ofPlastics(Oxygen Index)D3418 Test Method for Transition Temperatures and En-thalpies of Fusion and Crystallization of Polymers byDifferential Scanning CalorimetryD3
12、801 Test Method for Measuring the Comparative BurningCharacteristics of Solid Plastics in a Vertical PositionD4591 Test Method for Determining Temperatures andHeats of Transitions of Fluoropolymers by DifferentialScanning CalorimetryD6751 Specification for Biodiesel Fuel Blend Stock(B100)for Middle
13、Distillate FuelsD7869 Practice for XenonArc Exposure Test with EnhancedLight and Water Exposure for Transportation CoatingsE176 Terminology of Fire Standards2.2 UL Standards:3UL 94 Standard for Tests for Flammability of Plastic Mate-rials for Parts in Devices and Appliances1This specification is und
14、er the jurisdiction of ASTM Committee D09 onElectrical and Electronic Insulating Materials and is the direct responsibility ofSubcommittee D09.07 on Electrical Insulating Materials.Current edition approved Jan.1,2022.Published February 2022.DOI:10.1520/D8436-22.2For referenced ASTM standards,visit t
15、he ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available from Underwriters Laboratories(UL),UL Headquarters,333 Pfing-sten Road,Northbrook,IL,60062,ht
16、tp:/.Copyright ASTM International,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 and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1UL 746B Standard for Polymeric MaterialsLong TermProperty EvaluationsUL
