ASTM D4446-2008 暴露在液态水环境下测定未处理木材膨胀差和防水配方抗膨胀效率的标准试验方法
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【英文标准名称】:StandardTestMethodforAnti-SwellingEffectivenessofWater-RepellentFormulationsandDifferentialSwellingofUntreatedWoodWhenExposedtoLiquidWaterEnvironments
【原文标准名称】:暴露在液态水环境下测定未处理木材膨胀差和防水配方抗膨胀效率的标准试验方法
【标准号】:ASTMD4446-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D01.42
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:anti-swelling;liquidwater;waterrepellent;Antiswellingeffectiveness;Differentialdata;Dimensionalchange;Exteriorexposuretests;Liquidenvironments;Liquids;Lumber;Soakcontainers;Swelling;Water-repellantmaterials/applications
【摘要】:Thistestmethodisusefulindeterminingtherelativeanti-swellingefficiencyofvariouswater-repellentformulationswhenappliedtowood.Itistheinitialmeansofestimatingtheabilityofwater-repellenttreatedwoodtoperformsatisfactorilywhenexposedtoliquidwaterenvironments.Theswellingdifferencesofuntreatedwoodspecieswhensubjectedtowaterimmersioncanalsobedeterminedbythistestmethod.Thismethodisabasicscreeningtestandthusprovidesaninitialdeterminationoftheanti-swellingefficiencyofwaterrepellents.Itisaqualitativemethoddesignedtoprovideareproduciblemeansofestablishing:(1)theanti-swellingefficiencyofwater-repellentformulations,and(2)therelativeswellingofuntreatedwoodspecieswhenbothareexposedtoliquidwaterenvironments.1.1Thistestmethodisdesignedtoevaluatetheeffectivenessofwater-repellentcompositionsforretardingdimensionalchangesincoatedwoodsubmergedinwater.Itcanalsobeusedtomeasurethedifferentialswellingofuntreatedwoodwhenexposedtoliquidwaterenvironments.Thecompositionstestedaredesignedtobemixeduntiluniformandappliedbybrush,roller,diporspraytoanexteriorwoodsurface.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:B69
【国际标准分类号】:79_040
【页数】:4P.;A4
【正文语种】:英语
【原文标准名称】:暴露在液态水环境下测定未处理木材膨胀差和防水配方抗膨胀效率的标准试验方法
【标准号】:ASTMD4446-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D01.42
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:anti-swelling;liquidwater;waterrepellent;Antiswellingeffectiveness;Differentialdata;Dimensionalchange;Exteriorexposuretests;Liquidenvironments;Liquids;Lumber;Soakcontainers;Swelling;Water-repellantmaterials/applications
【摘要】:Thistestmethodisusefulindeterminingtherelativeanti-swellingefficiencyofvariouswater-repellentformulationswhenappliedtowood.Itistheinitialmeansofestimatingtheabilityofwater-repellenttreatedwoodtoperformsatisfactorilywhenexposedtoliquidwaterenvironments.Theswellingdifferencesofuntreatedwoodspecieswhensubjectedtowaterimmersioncanalsobedeterminedbythistestmethod.Thismethodisabasicscreeningtestandthusprovidesaninitialdeterminationoftheanti-swellingefficiencyofwaterrepellents.Itisaqualitativemethoddesignedtoprovideareproduciblemeansofestablishing:(1)theanti-swellingefficiencyofwater-repellentformulations,and(2)therelativeswellingofuntreatedwoodspecieswhenbothareexposedtoliquidwaterenvironments.1.1Thistestmethodisdesignedtoevaluatetheeffectivenessofwater-repellentcompositionsforretardingdimensionalchangesincoatedwoodsubmergedinwater.Itcanalsobeusedtomeasurethedifferentialswellingofuntreatedwoodwhenexposedtoliquidwaterenvironments.Thecompositionstestedaredesignedtobemixeduntiluniformandappliedbybrush,roller,diporspraytoanexteriorwoodsurface.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:B69
【国际标准分类号】:79_040
【页数】:4P.;A4
【正文语种】:英语
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