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【英文标准名称】:StandardPracticeforHeatAgingofPlasticsWithoutLoad
【原文标准名称】:无负荷塑料制品热老化的标准实施规程
【标准号】:ASTMD3045-1992(2003)
【标准状态】:现行
【国别】:
【发布日期】:1992
【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】:D20.50
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:老化;塑料;热老化试验
【英文主题词】:aging;exposure;heat;heat-aging;thermal-aging
【摘要】:1.1Thispracticeisintendedtodefinetheexposureconditionsfortestingtheresistanceofplasticstooxidationorotherdegradationwhenexposedsolelytohotairforextendedperiodsoftime.Onlytheprocedureforheatexposureisspecified,notthetestmethodorspecimen.Theeffectofheatonanyparticularpropertymaybedeterminedbyselectionoftheappropriatetestmethodandspecimen.1.2Thispracticeshouldbeusedasaguidetocomparethermalagingcharacteristicsofmaterialsasmeasuredbythechangeinsomepropertyofinterest.Thispracticerecommendsproceduresforcomparingthethermalagingcharacteristicsofmaterialsatasingletemperature.Recommendedproceduresfordeterminingthethermalagingcharacteristicsofamaterialataseriesoftemperaturesforthepurposeofestimatingtimetoadefinedpropertychangeatsomelowertemperaturearealsodescribed.1.3Thispracticedoesnotpredictthermalagingcharacteristicswhereinteractionsbetweenstress,environment,temperature,andtimecontrolfailureoccurs.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;ISO-2578isconsideredtobetechnicallyequivalenttothispractice.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:5P.;A4
【正文语种】: