ASTM_D_2116_-_16_2021.pdf

Designation:D211616(Reapproved 2021)Standard Specification forFEP Resin Molding and Extrusion Materials1This standard is issued under the fixed designation D2116;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,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.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope1.1 This specification covers melt processable molding andextrusion materials of FEP resin.This specification does notcover recycled FEP materials.These FEP resins are copoly-mers of tetrafluoroethylene and hexafluoropropylene or modi-fied FEPresins containing no more than 2%by weight of otherfluoromonomers.1.2 The values stated in SI units as detailed in IEEE/ASTM SI-10 are to be regarded as the standard.The valuesgiven in parentheses are for information only.NOTE1AlthoughthisspecificationandISO 12086-1andISO 12086-2 differ in approach or detail,data obtained using either aretechnically equivalent.1.3 The following precautionary caveat pertains only to thetest methods portion,Section 11,of this specification.Thisstandard does not purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of the userof this standard to establish appropriate safety,health,andenvironmental practices and determine the applicability ofregulatory limitations prior to use.1.4 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D150 Test Methods for AC Loss Characteristics and Permit-tivity(Dielectric Constant)of Solid Electrical InsulationD618 Practice for Conditioning Plastics for TestingD638 Test Method for Tensile Properties of PlasticsD792 Test Methods for Density and Specific Gravity(Rela-tive Density)of Plastics by DisplacementD883 Terminology Relating to PlasticsD1238 Test Method for Melt Flow Rates of Thermoplasticsby Extrusion PlastometerD1600 Terminology forAbbreviated Terms Relating to Plas-ticsD1708 Test Method for Tensile Properties of Plastics by Useof Microtensile SpecimensD3892 Practice for Packaging/Packing of PlasticsD4591 Test Method for Determining Temperatures andHeats of Transitions of Fluoropolymers by DifferentialScanning CalorimetryE691 Practice for Conducting an Interlaboratory Study toDetermine the Precision of a Test MethodIEEE/ASTM SI-10 Use of the International System of Units(SI):The Modern Metric System2.2 ISO Standards:3ISO 12086-1 PlasticsFluoropolymer Dispersions andMoulding and Extrusion MaterialsPart 1ISO 12086-2 PlasticsFluoropolymer Dispersions andMoulding and Extrusion MaterialsPart 23.Terminology3.1 Definitions:3.1.1 GeneralThe definitions given in Terminology D883are applicable to this specification.3.1.2 lot,none production run or a uniform blend of twoor more production runs.3.2 Abbreviated Terms:3.2.1 GeneralThe abbreviated terms given in Terminol-ogy D1600 are applicable to this specification.4.Classification4.1 This specification covers four types of FEP resin sup-plied in pellet form classified according to their melt flow rate.1This specification is under the jurisdiction of ASTM Committee D20 onPlastics and is the direct responsibility of Subcommittee D20.15 on ThermoplasticMaterials.Current edition approved July 1,2021.Published July 2021.Originally approvedin 1962.Last previous edition approved in 2016 as D2116 16.DOI:10.1520/D2116-16R21.2For referenced ASTM standards,visit the 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 American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036,http:/www.ansi.org.*A Summary of Changes section appears at the end of this standardCopyright 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.14.2 A one-line system shall be used to specify materialscovered by this specification.The system uses predefined cellsto refer to specific aspects of this specification,illustrated asfollows:SpecificationStandard Number:Type:SpecialBlock:notes:,Example:Specification D2116 XX,IFor this example,the line callout would be SpecificationD2116 XX,