ASTM F1057-1987(2005) 利用热循环技术评估压塑聚乙烯(PVC)管道质量的实施规程
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【英文标准名称】:StandardPracticeforEstimatingtheQualityofExtrudedPoly(VinylChloride)(PVC)PipebytheHeatReversionTechnique
【原文标准名称】:利用热循环技术评估压塑聚乙烯(PVC)管道质量的实施规程
【标准号】:ASTMF1057-1987(2005)
【标准状态】:现行
【国别】:
【发布日期】:1987
【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】:F17.40
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:聚乙烯管;质量控制;质量;评定;挤压的
【英文主题词】:heatreversion;PVCpipe
【摘要】:ThispracticeisapplicabletodistinguishbetweenproperlyandimproperlyextrudedPVCplasticpipe.Itcanbeusedto:2.1.1Revealincompleteexsiccationofcompoundbeforeorduringextrusion(Note1),2.1.2Determinethepresenceofstressinthepipewallproducedbytheextrusionprocess(Note2),2.1.3Determinewhetherinfusedareasarepresent,and2.1.4Revealcontamination.Note18212;Residualmoistureinthecompoundvaporizesatextrusiontemperaturesandisnormallyevacuatedasitformsvapor.Pocketsofmoisturetrappedinthepipewallresultfromincompleteexsiccationofthecompound,andmayreducethephysicalpropertiesofthepipe.Note28212;Minorresidualstressinthepipewillnotimpairfieldperformanceandhandleability.High-residualstresshasnoproveneffectonperformance,butmayimpairhandleabilityduringinstallation.1.1Thispracticecoversaprocedureforestimatingthequalityofextrudedpoly(vinylchloride)(PVC)plasticpipesbyobservingthereactionofpipespecimensafterexposuretoheat.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G33
【国际标准分类号】:23_040_20
【页数】:7P.;A4
【正文语种】:
【原文标准名称】:利用热循环技术评估压塑聚乙烯(PVC)管道质量的实施规程
【标准号】:ASTMF1057-1987(2005)
【标准状态】:现行
【国别】:
【发布日期】:1987
【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】:F17.40
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:聚乙烯管;质量控制;质量;评定;挤压的
【英文主题词】:heatreversion;PVCpipe
【摘要】:ThispracticeisapplicabletodistinguishbetweenproperlyandimproperlyextrudedPVCplasticpipe.Itcanbeusedto:2.1.1Revealincompleteexsiccationofcompoundbeforeorduringextrusion(Note1),2.1.2Determinethepresenceofstressinthepipewallproducedbytheextrusionprocess(Note2),2.1.3Determinewhetherinfusedareasarepresent,and2.1.4Revealcontamination.Note18212;Residualmoistureinthecompoundvaporizesatextrusiontemperaturesandisnormallyevacuatedasitformsvapor.Pocketsofmoisturetrappedinthepipewallresultfromincompleteexsiccationofthecompound,andmayreducethephysicalpropertiesofthepipe.Note28212;Minorresidualstressinthepipewillnotimpairfieldperformanceandhandleability.High-residualstresshasnoproveneffectonperformance,butmayimpairhandleabilityduringinstallation.1.1Thispracticecoversaprocedureforestimatingthequalityofextrudedpoly(vinylchloride)(PVC)plasticpipesbyobservingthereactionofpipespecimensafterexposuretoheat.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G33
【国际标准分类号】:23_040_20
【页数】:7P.;A4
【正文语种】:
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