ASTM D3434-2000(2006) 室外潮湿条件用木材胶粘剂的多周期加速老化试验(自动沸腾试验)的标准试验方法
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【英文标准名称】:StandardTestMethodforMultiple-CycleAcceleratedAgingTest(AutomaticBoilTest)forExteriorWetUseWoodAdhesives
【原文标准名称】:室外潮湿条件用木材胶粘剂的多周期加速老化试验(自动沸腾试验)的标准试验方法
【标准号】:ASTMD3434-2000(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】:D14.30
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:adhesive;aging;boiltest;multiple-cycle;wet;wood
【摘要】:Thistestmethodisintendedtodifferentiatebetweentheexteriordurabilityoftwoormoreadhesives.Atpresent,thisisdonebycomparingtheadhesivesasdescribedin4.5and4.6ratherthanbyassigningabsolutenumericalvaluesfordurabilityperformance.Thetestmethodasdescribedisforcomparingpotentiallong-termdurabilityratherthanforuseasaqualitycontrolprocedure.Thismakesitsuitableforresearch,adhesiveevaluation,processevaluation,andproductdesign.Amodificationcouldbemade,thatis,shortenthenumberofcyclesusedsothetestmethodwouldbesuitableforqualitycontrolinproductionmills.Theresultsobtainedforaparticularadhesivecanbeusedtoshowhowmanycyclesarerequiredforamillqualitycontroltestofthatadhesive.Thetestmethodassumesthatboil/drycyclingisanadequateandusefulacceleratedagingtechnique.Evaluationoflong-termdurabilityofadhesivesinwoodjointsundersevereserviceconditions,includingextendedexteriorexposure,isacomplexfield,andnoentirelyreliableshort-termtestisknowntoensurethatanewtypeofadhesivesystemwillsatisfactorilyresistallofthechemical,moisture,microorganism,andsolventeffectsthatsuchsevereservicemayinvolve.Exceptforeffectsofmicroorganismsandothersimilarbiologicalinfluences,thistestmethodhasprovenveryusefulforcomparisonpurposestodistinguishbetweenadhesivesystemsofdifferentdegreeofdurabilitytotheusualtemperature,moisture,andcyclicmoistureconditions.Ithasprovenveryusefultodistinguishbetweenbondlines,madewithadhesivesofprovenchemicalandbiologicaldurability,thatwereproperlyusedinproductiontoresistthemechanicalandmoistureeffectsthatsuchjointsmustwithstandinsevereserviceoverextendedperiodsofexposure.Itdoesnot,initself,assurethatnewtypesofadhesiveswillalwayswithstandactualexteriororothersevereservice.1.1Thistestmethodcoversaprocedurefortestingthedurabilityofwoodadhesivesthatmaybesuitableforexterior(wetuse)exposureconditions.Thepossibleuseofadhesivessuitableforevaluationincludes,butisnotlimitedtothoseusedforlaminatinglargemembers,manufacturingplywood,orfabricatingwoodjointssuchasfingerorscarfjoints.Thispracticeisnotsuitableforinteriortypeglues.1.2Thetestdoesnotevaluateforanybiologicaleffects.1.3Thetestsubjectsspecimenstoalargenumberofalternateboil/drycycles.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Theinch-poundunitsinparenthesesareprovidedforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G38
【国际标准分类号】:83_180
【页数】:5P.;A4
【正文语种】:
【原文标准名称】:室外潮湿条件用木材胶粘剂的多周期加速老化试验(自动沸腾试验)的标准试验方法
【标准号】:ASTMD3434-2000(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】:D14.30
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:adhesive;aging;boiltest;multiple-cycle;wet;wood
【摘要】:Thistestmethodisintendedtodifferentiatebetweentheexteriordurabilityoftwoormoreadhesives.Atpresent,thisisdonebycomparingtheadhesivesasdescribedin4.5and4.6ratherthanbyassigningabsolutenumericalvaluesfordurabilityperformance.Thetestmethodasdescribedisforcomparingpotentiallong-termdurabilityratherthanforuseasaqualitycontrolprocedure.Thismakesitsuitableforresearch,adhesiveevaluation,processevaluation,andproductdesign.Amodificationcouldbemade,thatis,shortenthenumberofcyclesusedsothetestmethodwouldbesuitableforqualitycontrolinproductionmills.Theresultsobtainedforaparticularadhesivecanbeusedtoshowhowmanycyclesarerequiredforamillqualitycontroltestofthatadhesive.Thetestmethodassumesthatboil/drycyclingisanadequateandusefulacceleratedagingtechnique.Evaluationoflong-termdurabilityofadhesivesinwoodjointsundersevereserviceconditions,includingextendedexteriorexposure,isacomplexfield,andnoentirelyreliableshort-termtestisknowntoensurethatanewtypeofadhesivesystemwillsatisfactorilyresistallofthechemical,moisture,microorganism,andsolventeffectsthatsuchsevereservicemayinvolve.Exceptforeffectsofmicroorganismsandothersimilarbiologicalinfluences,thistestmethodhasprovenveryusefulforcomparisonpurposestodistinguishbetweenadhesivesystemsofdifferentdegreeofdurabilitytotheusualtemperature,moisture,andcyclicmoistureconditions.Ithasprovenveryusefultodistinguishbetweenbondlines,madewithadhesivesofprovenchemicalandbiologicaldurability,thatwereproperlyusedinproductiontoresistthemechanicalandmoistureeffectsthatsuchjointsmustwithstandinsevereserviceoverextendedperiodsofexposure.Itdoesnot,initself,assurethatnewtypesofadhesiveswillalwayswithstandactualexteriororothersevereservice.1.1Thistestmethodcoversaprocedurefortestingthedurabilityofwoodadhesivesthatmaybesuitableforexterior(wetuse)exposureconditions.Thepossibleuseofadhesivessuitableforevaluationincludes,butisnotlimitedtothoseusedforlaminatinglargemembers,manufacturingplywood,orfabricatingwoodjointssuchasfingerorscarfjoints.Thispracticeisnotsuitableforinteriortypeglues.1.2Thetestdoesnotevaluateforanybiologicaleffects.1.3Thetestsubjectsspecimenstoalargenumberofalternateboil/drycycles.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Theinch-poundunitsinparenthesesareprovidedforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G38
【国际标准分类号】:83_180
【页数】:5P.;A4
【正文语种】:
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