ASTM C1241-2000(2005) 凝固过程中胶乳密封剂体积收缩的标准试验方法

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【英文标准名称】:StandardTestMethodforVolumeShrinkageofLatexSealantsDuringCure
【原文标准名称】:凝固过程中胶乳密封剂体积收缩的标准试验方法
【标准号】:ASTMC1241-2000(2005)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:C24.20
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;收缩;密封结合物;胶乳
【英文主题词】:latexsealant;sealant;shrinkage(volume);tooling
【摘要】:Shrinkageofasealant,afterapplicationinabuildingjoint,iscausedbylossofvolatilecomponentsfromthesealant.Thislossresultsinadecreaseinvolumeand,hence,achangeinthesealant’shape.Thischangeinshape,insomeapplications,shouldbetakenintoconsiderationforacceptablejointappearanceandgeometry.Theshrinkagevalueobtainedbythistestmethodhelpspredicttheappearanceandgeometryofthecuredsealantinabuildingjointandishelpfulindeterminingtheamountandtypeoftoolingtobedoneduringinstallationofthesealant.Latexsealantscureprimarilythroughwaterevaporation.Theymayalsocontainsmallamountsofothervolatilecomponents.However,inthistestmethodallvolatilesaretreatedaswater.Thisassumptionstillprovidesameaningfulshrinkagevaluesincethesmallquantitiesofothervolatilesandtheirdifferencesindensityfromthatofwaterdonotsignificantlyaffecttheusefulnessoftheresultobtained.1.1Thistestmethodcoversalaboratoryprocedurefordeterminingvolumeshrinkage,whichoccursduringcure,ofalatexsealant.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareprovidedforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note1ArelatedISOstandardisISO10563.Theusershouldcomparetodeterminehowitdiffersfromthistestmethod.
【中国标准分类号】:Q24
【国际标准分类号】:83_040_10(LATEXANDRAWRUBBER)
【页数】:2P.;A4
【正文语种】: