【英文标准名称】:Durabilityofwoodandwood-basedproducts-Efficacyofpreventivewoodpreservativesasdeterminedbybiologicaltests-Part1:Specificationaccordingtouseclass;EnglishversionofDINEN599-1:2009-10
【原文标准名称】:木材和木制品的耐用性.根据生物试验确定的木材预防性保存效率.第1部分:符合使用类别的规范,德文版本EN599-1:2009
【标准号】:DINEN599-1-2009
【标准状态】:现行
【国别】:德国
【发布日期】:2009-10
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Ageing(materials);Bioassay;Biodegradability;Biologicalanalysisandtesting;Biologicaltests;Classificationsystems;Definitions;Durability;Effectiveness;Efficiency;Furniture;Hazardclasses;Hazards;Materialstesting;Permanency;Pestcontrol;Solidwood;Specification;Specification(approval);Testing;Useclasses;Wood;Woodbasedproducts;Woodpreservation;Woodpreservatives
【摘要】:ThispartofEN599specifiesforeachofthefiveuseclassesdefinedinEN335-1,thebiologicaltestsrequiredforevaluatingtheefficacyofwoodpreservativesforthepreventivetreatmentofsolidtimber,togetherwiththeminimumageingtestsrequiredfortherespectiveuseclass.Itprovidesthemethodforcalculatingthecriticalvalueofapreservative.Thecriticalvalueisthevaluethatshallbeusedtocalculatetherecommendedretentionofthepreservativeappropriateforspecificserviceconditions.Thecriticalvalueisnotnecessarilytherecommendedretentionortheminimumretentionlevelforthepreservative.Thewiderangeofhazards,exposureconditionsandserviceliferequirementsacrossEuropemakeitnecessarytoallowforlocalconsiderationsinthecalculationoftherequiredpreservativeretention;EN351-1providesforthecriticalvaluetobeadjustedtotakeaccountofthesefactors.ThispartofEN599isapplicabletoallwoodpreservativeproductssuppliedforapplicationinliquidformforthepreventivetreatmentoftimbers(structuralandnon-structural)againstwood-attackingfungi,wood-attackinginsectsandmarineborersasdescribedinEN335-1.However,itisapplicabletoproductsforpreventivetreatmentsagainstfungicausingdisfigurement(bluestain)ofwoodinserviceifthisformspartoftheoverallpreventiveefficacyoftheproduct.ThispartofEN599doesnotnecessarilytakeintoaccountallthefactorswhichmayaffectthestabilityofactiveingredientsinpreservativetreatedwood.Thesefactorsincludeultra-violetlightandmicrobiologicalagenciescapableofdegradingcomponentsofthepreservative.Suchfactorsareanintegralpartofexposureinfieldtrialsbutaresubjecttonaturalvariationandtheirimpactisnotdirectlyassessedinthefieldtrialmethodsincludedinthisstandard.MethodsareindevelopmenttoassesstheimpactofthesefactorsbutarenotfinalisedandcannotbeincludedinthisrevisionofthispartofEN599.Becausesuchfactorscould,inservice,significantlyaffecttheactiveingredient'ssuitabilityforitsintendedpurpose,themanufacturer/producerisexpectedtoensureandbeabletoprovideevidencethatitsstability,attherecommendedretentionofthepreservativeproduct,hasbeenadequatelyassessed.ThispartofEN599isnotapplicabletowoodpreservativeproductssuppliedforapplicationaspastes,solidsorincapsuleorgaseousformbecausethesecannotbetestedwithoutmodificationofthebiologicaltestscitedinthisstandard.Itdoesnotapplyeithertowoodpreservativeproductsforremedial(curative)treatments,tothoseappliedtopreventfungicausingsapstainongreen(unseasoned)timberortothoseappliedsolelytopreventfungicausingdisfigurement(bluestain)ofwoodinservice.NOTE1ThenatureofthelaboratoryandfieldtestsrequiredinthispartofEN599todemonstrateefficacyofawoodpreservativearesuchthatthetimerequiredgeneratingthedataismanymonthsoryears,dependinguponthepropertiesofthewoodpreservativeandtheuseclassinwhichthetreatedwoodistobeexposed.Forpreservativeproductswhichhavealreadybeenplacedonthemarketwithoutsignificantformulationvariation(seeAnnexA)beforetheendof1990andwhichcandemonstratearecordofhavingbeenusedlawfultyandsuccessfullyinaccordancewithlocaltechnicaltraditionsduringthisperiod,nationalstandardsbodiesorindependentauthoritiesnominatedbythem,maydeclarecriticalvaluesforusewithintheirterritories.NOTE2Forre-testingaftermakingvariationsinproductformulation,guidanceisgiveninAnnexA.
【中国标准分类号】:B71
【国际标准分类号】:
【页数】:42P.;A4
【正文语种】:英语