ASTM C1246-2000(2006) 弹性体密封剂凝固后热老化对重量损失、裂开和粉化影响的标准试验方法

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【英文标准名称】:StandardTestMethodforEffectsofHeatAgingonWeightLoss,Cracking,andChalkingofElastomericSealantsAfterCure
【原文标准名称】:弹性体密封剂凝固后热老化对重量损失、裂开和粉化影响的标准试验方法
【标准号】:ASTMC1246-2000(2006)
【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】:
【英文主题词】:durability;sealant;weightloss
【摘要】:Weightlossfromasealantafterapplicationinabuildingjointcanbedetrimentaltolongtermsealantdurability.Asealantrsquo;servicelifewillbeshortenedifitcontainscomponents,criticaltoitsdurability,thatarevolatilizedbyhighenvironmentaltemperatures.Also,developmentofcracksandchalkinglessensasealantrsquo;servicelife.Thetestdescribedhereinmeasuresweightloss,cracking,andchalking.Theamountofweightlostduringtheheatagingperiodandanycrackingorchalkinghelpspredictprematuresealantfailure.However,asealantdevelopingnocracksorchalking,orlowweightlossinthistest,doesnotnecessarilyensuregooddurability.1.1Thistestmethodcoversalaboratoryprocedurefordeterminingtheeffectsofheatagingonweightloss,crackingandchalkingofelastomericjointsealants(singleandmulticomponent)foruseinbuildingconstruction.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3ThecommitteehavingjurisdictionforthisspecificationisnotawareofanysimilarISOstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q24
【国际标准分类号】:91_100_50
【页数】:3P.;A4
【正文语种】: