ASTM D6980-2009 用重量损失法测定塑料中湿度的标准试验方法

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【英文标准名称】:TestMethodforDeterminationofMoistureinPlasticsbyLossinWeight
【原文标准名称】:用重量损失法测定塑料中湿度的标准试验方法
【标准号】:ASTMD6980-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D20.70
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:moisturedetermination;plastics;volatilecontent;Moisturedetermination
【摘要】:Thistestmethodisintendedforuseasacontrol,acceptance,andassessmenttest.Moisturecanseriouslyaffecttheprocessabilityofplastics.Itispossiblethathighmoisturecontentwillcausesurfaceimperfections(thatis,splayorbubbling)ordegradationbyhydrolysis.Lowmoisture(withhightemperature)hasbeenknowntocausesolidphasepolymerization.Thephysicalpropertiesofsomeplasticsaregreatlyaffectedbythemoisturecontent.1.1Thistestmethodcoversthequantitativedeterminationofmoisturebymeansoflossinweighttechnologydownto50ppmasitappliestomostplastics.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.3Specimenstestedinthismethodcanreachorexceed250x00B0;C,usecautionwhenhandlingthemaftertestinghasbeencompleted.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;ThereisnosimilarorequivalentISOstandard.
【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】:英语

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