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【英文标准名称】:StandardSpecificationforPolybutylene(PB)PlasticsMoldingandExtrusionMaterials
【原文标准名称】:聚丁烯(PB)塑料塑膜和塑压材料的标准规范
【标准号】:ASTMD2581-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D20.15
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:塑料;聚丁烯;模制材料
【英文主题词】:classificationsystem;linecallout;polybutylene;recycled;specification
【摘要】:1.1Thisclassificationsystemcoverspolybutyleneplasticsmaterialssuitableformoldingandextrusion.1.2Thisclassificationsystemallowsfortheuseofthosepolybutyleneplasticmaterialsthatcanberecycled,reconstituted,andreground,providedthefollowingconditionsaremet:1.2.1Therequirementsasstatedinthisclassificationsystemandotherguidelinepertainingtothesematerialsaremet,and1.2.2Thematerialhasnotbeenmodifiedinanywaytoalteritsconformancetowatercontactregulationsorothersimilarrequirements.1.3Theproportionsofrecycled,reconstituted,andregrindmaterialused,aswellasthenatureandtheamountofanycontaminant,cannotbepracticallycoveredinthisclassificationsystem.Itistheresponsibilityofthesupplierandbuyerofrecycled,reconstituted,andregrindmaterialstoensurecompliance.1.4Thepropertiesincludedinthisclassificationsystemarethoserequiredtocharacterizeandclassifythespecificproduct.Otherpropertiesmaybenecessarytoidentifyparticularcharacteristicsimportanttospecializedapplications.ThesemaybespecifiedbyusingsuffixesasgiveninSection5.Propertiesshallbeselectedinsuchamannerthatconsistencyofdifferentlotsorshipmentsisassured.Thetestsinvolvedinthisclassificationsystemareintendedtoprovideinformationforidentifyingmaterialsinaccordancewithtypesandcategories.Itisnotthefunctionofthisclassificationsystemtoprovidespecificengineeringdatafordesignpurposes.1.5Thisclassificationsystemandsubsequentlinecallout(specification)areintendedtoprovideameansofcallingoutplasticmaterialsusedinthefabricationofenditemsorparts.Itisnotintendedfortheselectionofmaterials.Materialselectionshouldbemadebythosehavingexpertiseintheplasticfieldaftercarefulconsiderationofthedesignandtheperformancerequiredofthepart,theenvironmenttowhichitwillbeexposed,thefabricationprocesstobeemployed,thecostsinvolved,andtheinherentpropertiesofthematerialotherthanthosecoveredbythisstandard.1.6ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Note18212;ISO8986Parts1and2resemblethisstandardintitle,buttheircontentissignificantlydifferent.1.7Thefollowingprecautionarycaveatpertainsonlytothetestmethodsportion,Section11,ofthisclassificationsystem:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G33
【国际标准分类号】:83_140_99
【页数】:5P.;A4
【正文语种】:


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