ASTM D2842-2006 硬质泡沫塑料的吸水性用标准试验方法

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【英文标准名称】:StandardTestMethodforWaterAbsorptionofRigidCellularPlastics
【原文标准名称】:硬质泡沫塑料的吸水性用标准试验方法
【标准号】:ASTMD2842-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:D20.22
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:泡沫橡胶;塑料;测试;吸水率
【英文主题词】:rigidcellularplastics;waterabsorption
【摘要】:1.1Thistestmethodcoversthedeterminationofthewaterabsorptionofrigidcellularplasticsbymeasuringthechangeinbuoyantforceresultingfromimmersionundera5.1-cm(2-in.)headofwaterforthespecifiedimmersionperiodof96h.1.2Thistestmethoddescribestwoproceduresthatshallbeusedtomeasurethechangeinbuoyantforce.ProcedureAshallbeusedformaterialsthateitherexperiencerapidwaterabsorptionorthatshowanincreaseinvolumeduringtheexposureperiod,orboth.MaterialsthatdonotexhibiteitherofthesecharacteristicsshallbeevaluatedbyProcedureB.1.3Forspecificapplications,immersionperiodsvaryingfromthenormal96-htestrequirementshallbeagreeduponbetweenthemanufacturerandthepurchaser.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.ThistestmethodisequivalenttoISO2896.
【中国标准分类号】:G32
【国际标准分类号】:83_100
【页数】:10P.;A4
【正文语种】: