ANSI/ASTM D5857-2002 采用ISO协议和方法的聚酯塑料注入和挤压材料规范

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【英文标准名称】:SpecificationforPropylenePlasticInjectionandExtrusionMaterialsUsingISOProtocolandMethodology
【原文标准名称】:采用ISO协议和方法的聚酯塑料注入和挤压材料规范
【标准号】:ANSI/ASTMD5857-2002
【标准状态】:现行
【国别】:美国
【发布日期】:2002
【实施或试行日期】:2002-01-10
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:plasticsandrubbertechnology;polypropylene;materialstesting;injectionmoulding;polymericmaterials
【摘要】:Thisspecificationcoverspolypropylenematerialssuitableforinjectionmoldingandextrusion.Polymersconsistofpolypropylenehomopolymers,polypropylenecopolymers,andpolypropylene-elastomercompoundsproducedwithorwithouttheadditionofimpactmodifiers(ethylene-propylenerubber,polyisobutylenerubber,andbutylrubber,andsoforth),colorants,stabilizers,lubricants,fillers,orreinforcements.Thisspecificationallowsfortheuseofthosepolypropylenematerialsthatcanberecycled,reconstituted,andreground,providedthatthefollowingconditionsaremet:TherequirementsasstatedinthisspecificationandotherISOguidelinespertainingtothesetypesofmaterialsaremet,andThematerialhasnotbeenmodifiedinanywaytoalteritsconformancetofoodcontactregulationsorsimilarrequirements.Theproportionsofrecycled,reconstituted,andregrindmaterialused,aswellasthenatureandtheamountofanycontaminant,cannotbepracticallycoveredinthisspecification.Itistheresponsibilityofthesupplierandbuyerofrecycled,reconstituted,andregrindmaterialstoensurecompliance.Thepropertiesincludedinthisclassificationsystemarethoserequiredtoidentifythecompositionscovered.Theremaybeotherrequirementsnecessarytoidentifyparticularcharacteristicsimportanttospecializedapplications.ThesemaybespecifiedbyusingthesuffixesasgiveninSectionandthoseinClassificationSystemD4000.Thisclassificationsystemandspecificationareintendedtoprovideameansofcallingoutpolypropylenematerialsusedinthefabricationofenditemsorparts.Itisnotintendedfortheselectionofmaterials.Materialselectionshouldbemadebythosehavingexpertiseintheplasticfieldaftercarefulconsiderationofthedesignandtheperformancerequiredofthepart,theenvironmenttowhichitwillbeexposed,thefabricationprocesstobeemployed,thecostsinvolved,andtheinherentpropertiesofthematerialotherthanthosecoveredbythisspecification.ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thefollowingprecautionarycaveatpertainsonlytothetestmethodsportion,Section,ofthisspecification:Thisspecificationdoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisspecificationtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note1ThisspecificationissimilartobothISO1873-1andISO1873-2,buttodifferentdegrees.ThisspecificationresemblesISO1873-1intitleonly.Thecontentissignificantlydifferent.ThisspecificationandISO1873-2differinapproachordetail;dataobtainedusingeitheraretechnicallyequivalent.
【中国标准分类号】:G32
【国际标准分类号】:83_080_01
【页数】:
【正文语种】:英语