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【英文标准名称】:StandardClassificationSystemforPolychlorotrifluoroethylene(PCTFE)Plastics
【原文标准名称】:聚三氟氯乙烯(PCTFE)塑料用标准分类体系
【标准号】:ASTMD1430-2011
【标准状态】:现行
【国别】:
【发布日期】:2011
【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】:含氟聚合物;聚三氟氯乙烯;失强时间
【英文主题词】:fluoropolymers;polychlorotrifluoroethylene;zerostrengthtime
【摘要】:1.1Thisclassificationsystemcoverspolychlorotrifluoroethylene(PCTFE)plasticsthatconsistofatleast90%chlorotrifluoroethyleneandaresuitableforextrusionandforcompressionandinjectionmolding.Additionalcomponentsallowforchemicalmodifications,suchasco-monomers,butnotcolorants,fillers,plasticizers,ormechanicalblendswithotherresins.ThisclassificationsystemdoesnotcoverrecycledPCTFEmaterials.1.2ThephysicalandelectricalpropertiesofpartsmoldedorextrudedfromPCTFEmoldingcompoundsvarywiththecrystallinecontentobtainedduringprocessingandsubsequentannealing.Accordingly,thenumericalvalueslistedinTable1applyonlytothetestspecimensmoldedinaccordancewithSection8.Thesevaluesarenotapplicableasdesigncriteriatosemi-finishedandfinishedpartspreparedandannealedunderotherconditions.1.3ThevaluesstatedinSIunitsasdetailedinaretoberegardedasthestandard.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】:
【国际标准分类号】:83_080_20
【页数】:6P.;A4
【正文语种】: