ASTM_D_3368_-_14.pdf

Designation:D336814Standard Specification forFEP-Fluorocarbon Sheet and Film1This standard is issued under the fixed designation D3368;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.Scope*1.1 This specification covers unfilled,unpigmented FEP-fluorocarbon resin sheet and film less than 3.175 mm(0.125in.)thick.Recycled materials are allowed in accordance with6.2.1.2 The values stated in SI units as detailed in IEEE/ASTMSI 10 are to be regarded as standard and the practices ofIEEE/ASTM SI 10 incorporated herein.1.3 The following safety hazards caveat pertains only to thetest methods portion,Section 14,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 and healthpractices and determine the applicability of regulatory limita-tions prior to use.NOTE1There is no known ISO equivalent to this standard.2.Referenced Documents2.1 ASTM Standards:2D149 Test Method for Dielectric Breakdown Voltage andDielectric Strength of Solid Electrical Insulating Materialsat Commercial Power FrequenciesD374 Test Methods for Thickness of Solid Electrical Insu-lation(Withdrawn 2013)3D618 Practice for Conditioning Plastics for TestingD638 Test Method for Tensile Properties of PlasticsD792 Test Methods for Density and Specific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 DisplacementD882 Test Method for Tensile Properties of Thin PlasticSheetingD883 Terminology Relating to PlasticsD2116 Specification for FEP-Fluorocarbon Molding andExtrusion MaterialsD3892 Practice for Packaging/Packing of PlasticsD5740 Guide for Writing Material Standards in the Classi-fication FormatE691 Practice for Conducting an Interlaboratory Study toDetermine the Precision of a Test MethodIEEE/ASTM SI 10 Standard for Use of the InternationalSystem of Units(SI)2.2 Other Standard:TAPPI 411 Standard Thickness(Caliper)of Paper and PaperProducts43.Terminology3.1 Definitions:3.1.1 For definitions of terms used in this specification,seeTerminology D883.3.1.2 lot,none production run or a uniform blend of twoor more production runs.4.Classification4.1 ThisspecificationcoversfourtypesofFEP-fluorocarbon sheet and film:4.1.1 Type IGeneral purpose.4.1.2 Type IICementable film.Type II materials can besubdivided into two grades:4.1.2.1 Grade 1One side cementable,and4.1.2.2 Grade 2Two sides cementable.4.1.3 Type IIISpecial film for applications requiring un-usual flexural endurance or extreme thermal and chemicalservice.4.1.4 Type IVFilm for mold release applications.4.2 A line callout system is used to specify materials in thisstandard.The system uses predefined cells to refer to specificaspects of this specification,which are illustrated as follows:1This specification is under the jurisdiction of ASTM Committee D20 onPlastics and is the direct responsibility of Subcommittee D20.15 on ThermoplasticMaterials D20.15.12 on Fluoropolymers.Current edition approved March 1,2014.Published March 2014.Originallyapproved in 1975.Last previous edition approved in 2010 as D3368-04(2010).DOI:10.1520/D3368-14.2For 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.3The last approved version of this historical standard is referenced onwww.astm.org.4Available from Technical Association of the Pulp and Paper Industry(TAPPI),15 Technology Parkway South,Norcross,GA 30092,http:/www.tappi.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 States1 SpecificationStandard NumberBlockTypeGradeClassSpecialNotes|Example:SpecificationD3368 XX,II1,0.051 mm thickFor this example,the line callout would be SpecificationD3368 XX,II 1,0.051 mm thick.This callout specifies a filmof FEP that is cementable on one side and that has all of theproperties listed for that type and grade in the appropriatespecified properties or tables,or both,in this specification.Inclusion of a class is provided for in the system,but is notused in this particular specification.A comma is used as theseparator between the standard number and the type.Separa-tors are not needed between the type,grade,and class.5Provision for special notes is included in the system so thatother information can be provided when required,in this case,the thickness of the film.When special notes are used,theyshall be preceded by a comma.5.Ordering Information5.1 The sheet and film shall be fur