ASTM D5795-1995(2008) 硬质纤维板和其它混合板的吸水率测定的标准试验方法
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【英文标准名称】:StandardTestMethodforDeterminationofLiquidWaterAbsorptionofCoatedHardboardandOtherCompositeWoodProductsViax201C;CobbRingx201D;Apparatus
【原文标准名称】:硬质纤维板和其它混合板的吸水率测定的标准试验方法
【标准号】:ASTMD5795-1995(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1995
【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】:D01.52
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:吸收
【英文主题词】:absorption;coatedhardboard;Cobbring;compositewoodproducts;Permeability--coatings/films;Coatedhardboard;Cobbring;Compositewoodproducts;Hardboard;Liquidwaterpermeability;Waterabsorption
【摘要】:Thistestmethodprovidesasimplequantitativemeasureofwaterabsorptionbycoatedcompositewoodproducts.Althoughprimarilyusedtoevaluatefactory-primedcompositewoodproducts,thistestmethodmaybeofserviceforotherwoodsubstratesandcoatingsystems.Thistestmethodhasdemonstratedutilityforcompositewoodsidingproductsranginginthicknessfromapproximately6.35to25.4mm(x00BC;to1in.).Extensionofthistestmethodtowoodsubstratesofothertypesandthicknessmaybeuseful.Conditioningofsubstrate,coatedsamplepreparation,applicationmethod,dryfilmthickness,cureconditions,andnumberofreplicatespecimensshouldbeagreeduponbetweenthepurchaserandthesupplierofthecoatingmaterial.Suchmeasurementsareusedasindicatorsorpredictorsoftheanticipatedperformanceofcoatedcompositewoodproductsduringexteriorexposure.Theymaybeusedfordevelopmentalevaluationofcoatings,substrates,orboth.Theymayalsobeusefulforqualitycontrolormonitoringoftheproductionofcoatedcompositewoodproducts.1.1Thistestmethodisintendedtoserveasameansformeasurementofliquidwaterthatpassesthroughawettedpaintfilm,andwhichissubsequentlyabsorbedandretainedbytheunderlyingwoodsubstrate.Alternativetechniquesfortheuseofthex201C;CobbRingx201D;apparatusaredescribed.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:B70
【国际标准分类号】:79_060_01
【页数】:3P.;A4
【正文语种】:英语
【原文标准名称】:硬质纤维板和其它混合板的吸水率测定的标准试验方法
【标准号】:ASTMD5795-1995(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1995
【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】:D01.52
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:吸收
【英文主题词】:absorption;coatedhardboard;Cobbring;compositewoodproducts;Permeability--coatings/films;Coatedhardboard;Cobbring;Compositewoodproducts;Hardboard;Liquidwaterpermeability;Waterabsorption
【摘要】:Thistestmethodprovidesasimplequantitativemeasureofwaterabsorptionbycoatedcompositewoodproducts.Althoughprimarilyusedtoevaluatefactory-primedcompositewoodproducts,thistestmethodmaybeofserviceforotherwoodsubstratesandcoatingsystems.Thistestmethodhasdemonstratedutilityforcompositewoodsidingproductsranginginthicknessfromapproximately6.35to25.4mm(x00BC;to1in.).Extensionofthistestmethodtowoodsubstratesofothertypesandthicknessmaybeuseful.Conditioningofsubstrate,coatedsamplepreparation,applicationmethod,dryfilmthickness,cureconditions,andnumberofreplicatespecimensshouldbeagreeduponbetweenthepurchaserandthesupplierofthecoatingmaterial.Suchmeasurementsareusedasindicatorsorpredictorsoftheanticipatedperformanceofcoatedcompositewoodproductsduringexteriorexposure.Theymaybeusedfordevelopmentalevaluationofcoatings,substrates,orboth.Theymayalsobeusefulforqualitycontrolormonitoringoftheproductionofcoatedcompositewoodproducts.1.1Thistestmethodisintendedtoserveasameansformeasurementofliquidwaterthatpassesthroughawettedpaintfilm,andwhichissubsequentlyabsorbedandretainedbytheunderlyingwoodsubstrate.Alternativetechniquesfortheuseofthex201C;CobbRingx201D;apparatusaredescribed.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:B70
【国际标准分类号】:79_060_01
【页数】:3P.;A4
【正文语种】:英语
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