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【英文标准名称】:StandardClassificationSystemforPolychlorotrifluoroethylene(PCTFE)Plastics
【原文标准名称】:全氟烷氧基(PFA)-含氟聚合物管的标准规范
【标准号】:ASTMD1430-2003(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【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】:(Classification)
【标准水平】:()
【中文主题词】:
【英文主题词】:fluoropolymers;PCTFE;polychlorotrifluoroethylene;zerostrengthtime;Classification(standards)--plastics;PCTFE(polychlorotrifluoroethylene)--specifications;Zerostrengthtime
【摘要】:1.1Thisclassificationsystemcoverspolychlorotrifluoroethylene(PCTFE)plasticsthatconsistofatleast90%chlorotrifluoroethyleneandaresuitableforextrusionandforcompressionandinjectionmolding.Theremaining10%mayincludechemicalmodifications,suchasco-monomers,butnotcolorants,fillers,plasticizers,ormechanicalblendswithotherresins.ThisclassificationsystemdoesnotcoverrecycledPCTFEmaterials.1.2ThephysicalandelectricalpropertiesofpartsmoldedorextrudedfromPCTFEmoldingcompoundsvarywiththecrystallinecontentobtainedduringprocessingandsubsequentannealing.Accordingly,thenumericalvalueslistedinTable1applyonlytothetestspecimensmoldedinaccordancewithSection8.Thesevaluesmaynotbeapplicableasdesigncriteriatopartspreparedandannealedunderotherconditions.1.3ThevaluesstatedinSIunitsasdetailedinIEEE/ASTMSI10aretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thefollowingprecautionarystatementpertainsonlytothetestmethodsportion,Section10,ofthisclassificationsystem:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;AlthoughthisclassificationsystemandISO12086-1(1995)andISO12086-2(1995)differinapproachordetail,dataobtainedusingeitheraretechnicallyequivalent.
【中国标准分类号】:G33
【国际标准分类号】:
【页数】:6P.;A4
【正文语种】:英语