作者:标准资料网 时间:2024-05-12 20:25:34   浏览:9543   来源:标准资料网

【英文标准名称】:StandardTestMethodforEvaluatingtheQualityofMoldedPoly(VinylChloride)(PVC)PlasticPipeFittingsbytheHeatReversionTechnique
【原文标准名称】:利用热循环技术评估模塑聚(氯乙烯)塑料管配件的质量的标准试验方法
【标准号】:ASTMF610/F610M-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:evaluating;fittings;plastic;PVC;quality;Heatingtests--plastics;Heatreversiontechnique;Hydrostaticpressuretest;Poly(vinylchloride)(PVC)fittings;Qualityassurance(QA)
【摘要】:ThistestmethodisapplicabletodistinguishbetweenproperlyandimproperlymoldedPVCplasticpipefittings.Itcanbeusedto:Determinewhethercoldslugsorunfusedareasarepresent(Note1),Determinetheamountofmolded-instressproducedbythemoldingprocess(Note2),Revealcontamination,andShowthequalityoftheweldline.Note18212;Acoldslugisapieceofmaterialthatentersthemoldatasignificantlylowertemperaturethantherestofthemass.Note28212;Astress-freepartwillgenerallyhavebetterpropertiesandhigherstrengththanthosewithahighdegreeofstress.Stress-freepartswillgenerallyreactbetterwhenexposedtochemicals.1.1Thistestmethodcoversaprocedureforevaluatingthequalityofmoldedpoly(vinylchloride)(PVC)plasticpipefittingsafterexposuretoheat.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G33
【国际标准分类号】:23_040_45
【页数】:4P.;A4
【正文语种】:英语