ASTM C711-2003(2009) 单一组份的弹性溶剂释放型密封料的低温挠性及韧性的标准试验方法

作者:标准资料网 时间:2024-05-16 10:55:23  浏览:9150   来源:标准资料网

【英文标准名称】:StandardTestMethodforLow-TemperatureFlexibilityandTenacityofOne-Part,Elastomeric,Solvent-ReleaseTypeSealants
【原文标准名称】:单一组份的弹性溶剂释放型密封料的低温挠性及韧性的标准试验方法
【标准号】:ASTMC711-2003(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【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】:elastomeric;flexibility;solvent-releasesealant;Elastomericseals/sealants;Flexibility--sealants;Solvent-releasesealants;Temperaturetests--buildingmaterials;Tenacity
【摘要】:Thistestmethodisnotintendedtosimulateanactualuseconditionbutitwillgivesomeindicationoftheelastomericpropertiesorflexibilityofabuildingjointsealantatlowtemperature.Itcanservetodifferentiatebetweenelastomer-basedsealantsandsealantsbasedonnonelasticbindersthatcanhardenorembrittleonagingandcrackorloseadhesionwhenflexedatlowtemperature.Inaddition,itcanaidinidentifyingsealantsthathavepoorflexibilitybecausetheyareoverextendedandcontainaverylowlevelofelastomericbinderaswellasthosesealantshavingbindersthatwillembrittleatlowtemperature.

(a)CompleteCrackingandAdhesiveFailure
(b)SevereCracking

(c)NoCrackingorAdhesiveFailure