ASTM D4894-2007 聚四氟乙烯(PTFE)粒状模制材料和冲压挤制材料的标准规范
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【英文标准名称】:StandardSpecificationforPolytetrafluoroethylene(PTFE)GranularMoldingandRamExtrusionMaterials
【原文标准名称】:聚四氟乙烯(PTFE)粒状模制材料和冲压挤制材料的标准规范
【标准号】:ASTMD4894-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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;聚四氟乙烯
【英文主题词】:fluoropolymers;granularpolytetrafluoroethylene;polytetrafluoroethylene;PTFE
【摘要】:1.1Thisspecificationcoversgranularresinsandtestmethodsforpolytetrafluoroethylene(PTFE)thathaveneverbeenpreformedormoldedandarenormallyprocessedbymethodssimilartothoseusedinpowdermetallurgyorceramics,orbyspecialextrusionprocesses.ThesePTFEresinsarehomopolymersoftetrafluoroethylene,or,insomecases,modifiedhomopolymerscontainingnotmorethanonepercentbyweightofotherfluoromonomers.Theusualmethodsofprocessingthermoplasticsgenerallyarenotapplicabletothesematerialsbecauseoftheirviscoelasticpropertiesatprocessingtemperatures.ThematerialsincludedhereindonotincludemixturesofPTFEresinwithadditivessuchascolorants,fillersorplasticizers;nordotheyincludereprocessedorregroundresinoranyfabricatedarticles.Themethodsandpropertiesincludedarethoserequiredtoidentifythevarioustypesofresins.AdditionalproceduresareprovidedintheAppendixforfurthercharacterizationoftheresins.1.2ThevaluesstatedinSIunitsasdetailedinIEEE/ASTMSI-10aretoberegardedasthestandard,andthepracticesofIEEE/ASTMSI-10areincorporatedherein.1.3ThefollowingprecautionarycaveatpertainsonlytotheSpecimenPreparationsection,Section9,andtheTestMethodssection,Section10,ofthisspecification:Thisspecificationdoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SeeNotes3and9forspecificcautionarystatements.Note1InformationinthisspecificationistechnicallyequivalenttorelatedinformationinISO12086-1andISO12086-2.
【中国标准分类号】:G33
【国际标准分类号】:83_080_20
【页数】:14P.;A4
【正文语种】:
【原文标准名称】:聚四氟乙烯(PTFE)粒状模制材料和冲压挤制材料的标准规范
【标准号】:ASTMD4894-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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;聚四氟乙烯
【英文主题词】:fluoropolymers;granularpolytetrafluoroethylene;polytetrafluoroethylene;PTFE
【摘要】:1.1Thisspecificationcoversgranularresinsandtestmethodsforpolytetrafluoroethylene(PTFE)thathaveneverbeenpreformedormoldedandarenormallyprocessedbymethodssimilartothoseusedinpowdermetallurgyorceramics,orbyspecialextrusionprocesses.ThesePTFEresinsarehomopolymersoftetrafluoroethylene,or,insomecases,modifiedhomopolymerscontainingnotmorethanonepercentbyweightofotherfluoromonomers.Theusualmethodsofprocessingthermoplasticsgenerallyarenotapplicabletothesematerialsbecauseoftheirviscoelasticpropertiesatprocessingtemperatures.ThematerialsincludedhereindonotincludemixturesofPTFEresinwithadditivessuchascolorants,fillersorplasticizers;nordotheyincludereprocessedorregroundresinoranyfabricatedarticles.Themethodsandpropertiesincludedarethoserequiredtoidentifythevarioustypesofresins.AdditionalproceduresareprovidedintheAppendixforfurthercharacterizationoftheresins.1.2ThevaluesstatedinSIunitsasdetailedinIEEE/ASTMSI-10aretoberegardedasthestandard,andthepracticesofIEEE/ASTMSI-10areincorporatedherein.1.3ThefollowingprecautionarycaveatpertainsonlytotheSpecimenPreparationsection,Section9,andtheTestMethodssection,Section10,ofthisspecification:Thisspecificationdoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SeeNotes3and9forspecificcautionarystatements.Note1InformationinthisspecificationistechnicallyequivalenttorelatedinformationinISO12086-1andISO12086-2.
【中国标准分类号】:G33
【国际标准分类号】:83_080_20
【页数】:14P.;A4
【正文语种】:
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