1、Designation:D729212Standard Specification forExtruded,Compression-Molded,and Injection-Molded BasicShapes of Polyamide-Imide(PAI)1This standard is issued under the fixed designation D7292;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revisi
2、on,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 requirements and methods oftest for the material,dimensions,and workmanship ofext
3、ruded,compression molded,and injection molded partsmanufactured from PAI.1.2 The properties included in this specification are thoserequired for the compositions covered.Requirements neces-sary to identify particular characteristics important to special-ized applications are described by the classif
4、ication systemgiven in Section 5.1.3 This specification allows for the use of recycled mate-rials provided that specification requirements based upon thisspecification are met.1.4 The values stated in English units are to be regarded asstandard in all property and dimensional tables.For referencepur
5、poses,SI units and conversion factors are also included.1.5 The following precautionary caveat pertains only to thetest method 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 u
6、serof 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:2D256 Test Methods for Determining the Izod PendulumImpact R
7、esistance of PlasticsD618 Practice for Conditioning Plastics for TestingD638 Test Method for Tensile Properties of PlasticsD790 Test Methods for Flexural Properties of Unreinforcedand Reinforced Plastics and Electrical Insulating Materi-alsD792 Test Methods for Density and Specific Gravity(Rela-tive
8、 Density)of Plastics by DisplacementD883 Terminology Relating to PlasticsD1708 Test Method for Tensile Properties of Plastics by Useof Microtensile SpecimensD3418 Test Method for Transition Temperatures and En-thalpies of Fusion and Crystallization of Polymers byDifferential Scanning CalorimetryD389
9、2 Practice for Packaging/Packing of PlasticsD4000 Classification System for Specifying Plastic Materi-alsD5204 Classification System for Polyamide-Imide(PAI)Molding and Extrusion MaterialsD7209 Guide for Waste Reduction,Resource Recovery,andUse of Recycled Polymeric Materials and Products2.2 ANSI St
10、andard:3Z1.4-1993 Sampling Procedure and Tables for Inspection byAttributes3.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 finished product(F),na product that meets thedimensional criteria of Tables A and B in this specification.3.1.2 plate,nflat stock with thickness greater th
11、an316in.(4.76 mm).3.1.3 recycled plastic shape,na product made from up to100%recycled plastic.3.1.4 rod,nsolid extruded cylindrical shape with a mini-mum diameter of332in.(2.38 mm).3.1.5 virgin plastic shape,na shape produced entirely ofplastic resin that has not been melt processed more than once.3
12、.2 Additional Definitions:3.2.1 For definitions of other technical terms pertaining toplastics used in this specification,see Terminology D883 orGuide D7209.1This specification is under the jurisdiction of ASTM Committee D20 onPlastics and is the direct responsibility of Subcommittee D20.15 on Therm
13、oplasticMaterials.Current edition approved Aug.1,2012.Published September 2012.Originallyapproved in 2006.Last previous edition approved in 2006 as D7292-06.DOI:10.1520/D7292-12.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For
14、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 standardCo
15、pyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 4.Applications4.1 Typical applications for these parts are for products thatrequire low coefficient of friction,good thermal resistance,andtoughness up to 250C.However,usage is not limited to
16、theseapplications.Specific grades are designed for high strength,wear resistance,low coefficient of friction and reinforced forimproved load bearing capacity and non-abrasive wear.5.Classification and Material5.1 Product shape and size as defined in the applicablepurchase order.5.2 This specification covers product manufactured as listedin Table S-PAI.Materials included in the designations refer-ence Classification System D5204 callouts where applicable.5.2.1 The PAI material used in the product
