ASTM C870-2011 热绝缘材料的调整的标准实施规程

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【英文标准名称】:StandardPracticeforConditioningofThermalInsulatingMaterials
【原文标准名称】:热绝缘材料的调整的标准实施规程
【标准号】:ASTMC870-2011
【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】:C16.31
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:状态调节;温湿度预调节;绝热材料;多孔隔热;绝缘材料;矿物纤维绝缘
【英文主题词】:conditioning;preconditioning;thermalinsulatingmaterials;Cellularthermalinsulation;Insulatingmaterials;Mineralfiberinsulation
【摘要】:Theconditioningprescribedinthisrecommendedpracticeisdesignedtoobtainreproducibletestresultsonthermalinsulatingmaterials.Resultsoftestsobtainedonthesematerialsunderuncontrolledatmosphericconditionsarenotcomparablewitheachother.Someofthephysicalpropertiesofthermalinsulatingmaterialsareinfluencedbyrelativehumidityandtemperatureinamannerthataffectstheresultsoftests.Inthisregard,suchinformationisprovidedinpertinentmaterialspecificationsandtestmethodsbystatingthephysicalpropertiesrelativetothespecificambientortestconditions.Note18212;Insomecases(forexample,dimensionallyunstablematerials),thedrymasscannoteasilybeestablishedandoriginalmasshastobeused.1.1Thispracticecoverstheconditioningofthermalinsulatingmaterialsfortests.Sincepriorexposureofinsulatingmaterialstohighorlowhumiditywillaffecttheequilibriummoisturecontent,aprocedureisalsogivenforpreconditioningthematerials.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:91_100_60
【页数】:3P.;A4
【正文语种】: