1、Designation:D4101171Standard Classification System and Basis for Specification forPolypropylene Injection and Extrusion Materials1This standard is issued under the fixed designation D4101;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.This standard has been approved for use by agencies of the U.S.Department of Defense.1NOTEEditorially corrected Table X
3、1.1 in June 2019.INTRODUCTIONThis classification system is not intended for the selection of materials but only as a means to callout plastic materials to be used for the manufacture of parts.The selection and specification of thesematerials is to be made by personnel with expertise in the plastics
4、field where other factors includingthe use environment,inherent properties of the materials,performance of the part,part design,manufacturing process,and economics are considered.1.Scope*1.1 This classification system covers polypropylene materi-als suitable for injection molding and extrusion.Polym
5、ersconsist of homopolymer,copolymers,and elastomer com-pounded with or without the addition of impact modifiers,forexample,ethylene-propylene rubber,polyisobutylene rubber,and butyl rubber,colorants,stabilizers,lubricants,or reinforce-ments.1.2 This classification system allows for the use of thosep
6、olypropylene materials that can be recycled,reconstituted,and reground,provided that:(1)the requirements as stated inthis classification system are met,and(2)the material has notbeen modified in any way to alter its conformance to foodcontact regulations or similar requirements.The proportions ofrec
7、ycled,reconstituted,and reground material used,as well asthe nature and the amount of any contaminant,cannot bepractically covered in this classification system.It is theresponsibility of the supplier and the buyer of recycled,reconstituted,and reground materials to ensure compliance.(See Guide D720
8、9.)1.3 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.NOTE1The properties included in this classification system are thoserequired to identify the compositions covered.If other requirements arenecessary to identify particular ch
9、aracteristics important to specificapplications,these shall be designated by using the suffixes given inSection 1.1.4 The following safety hazards caveat pertains only to thetest methods portion,Section 13,of this specification:Thisstandard does not purport to address all of the safety concerns,if a
10、ny,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.NOTE2This classification system and ISO 19069-1 and-2 address thesame subject matter
11、,but differ in technical content.1.5 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 O
12、rganization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2C177 Test Method for Steady-State Heat Flux Measure-ments and Thermal Transmission Properties by Means ofthe Guarded-Hot-Plate ApparatusD149 Test Method for Dielectric Breakdown Voltage andDielectric Stren
13、gth of Solid Electrical Insulating Materialsat Commercial Power FrequenciesD150 Test Methods for AC Loss Characteristics and Permit-tivity(Dielectric Constant)of Solid Electrical Insulation1This classification system is under the jurisdiction ofASTM Committee D20 onPlastics and is the direct respons
14、ibility of Subcommittee D20.15 on ThermoplasticMaterials.Current edition approved Dec.1,2017.Published January 2018.Originallyapproved in 1982.Last previous edition approved in 2014 as D4101-142.DOI:10.1520/D4101-17E01.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM
15、 Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,P
16、A 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.1 D256 Test Methods for Determining the Izod PendulumImpact Resistance of PlasticsD257 Test Methods for DC Resistance or Conductance ofInsulating MaterialsD495
