ASTM_D_5990_-_20a.pdf

Designation:D599020aStandard Classification System and Basis forPolyketone Injection Molding and Extrusion Materials(PK)1This standard is issued under the fixed designation D5990;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.1.Scope*1.1 This classification system covers polyketone materialssuitable for injection molding and extrusion.This classificationsystem does not address recycled polyketone materials.1.2 The properties included in this classification system arethose required to identify the compositions covered.Otherrequirements necessary to identify particular characteristicsimportant to specialized applications are to be specified byusing suffixes as given in Section 5.1.3 This classification system and subsequent line call out(specification)are intended to provide a means of calling outplastic materials used in the fabrication of end items or parts.It is not intended for the selection of materials.Materialselection should be made by those having expertise in theplastic field after careful consideration of the design and theperformance required of the part,the environment to which itwill be exposed,the fabrication process to be employed,thecosts involved,and the inherent properties of the material otherthan those covered by this classification system.1.4 The following precautionary caveat pertains only to thetest method portion,Section 11,of this classification system:This standard does not purport to address all of the safetyconcerns,if any,associated with its use.It is the responsibilityof the user of this standard to establish appropriate safety,health,and environmental practices and determine the appli-cability of regulatory limitations prior to use.NOTE1This classification system and ISO 21970-1 and ISO 21970-2address the same subject matter,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 Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D256 Test Methods for Determining the Izod PendulumImpact Resistance of PlasticsD618 Practice for Conditioning Plastics for TestingD638 Test Method for Tensile Properties of PlasticsD648 Test Method for Deflection Temperature of PlasticsUnder Flexural Load in the Edgewise PositionD792 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-ticsD3418 Test Method for Transition Temperatures and En-thalpies of Fusion and Crystallization of Polymers byDifferential Scanning CalorimetryD3641 Practice for Injection Molding Test Specimens ofThermoplastic Molding and Extrusion MaterialsD3892 Practice for Packaging/Packing of PlasticsD4000 Classification System for Specifying Plastic Materi-alsD5630 Test Method for Ash Content in PlasticsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with Specifications2.2 ISO Standards:3ISO 21970-1 PlasticsPolyketone(PK)moulding and ex-trusion materialsPart 1:Designation system and basisfor specificationsISO 21970-2 PlasticsPolyketone(PK)moulding and ex-trusion materialsPart 2:Preparation of test specimensand determination of properties3.Terminology3.1 Except for the term defined as follows,the terminologyused in this classification system is in accordance with Termi-nologies D883 and D1600.1These test methods are under the jurisdiction of ASTM Committee D20 onPlastics and are the direct responsibility of Subcommittee D20.15 on ThermoplasticMaterials.Current edition approved Sept.1,2020.Published September 2020.Originallyapproved in 1996.Last previous edition approved in 2020 as D5990 20.DOI:10.1520/D5990-20A.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 W