ASTM D5201-2005a(2010) 计算色漆和涂料物理常数方程式的标准实施规范

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【英文标准名称】:StandardPracticeforCalculatingFormulationPhysicalConstantsofPaintsandCoatings
【原文标准名称】:计算色漆和涂料物理常数方程式的标准实施规范
【标准号】:ASTMD5201-2005a(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:2005
【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】:D01.24
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:density;formulation;HAP;hazardousairpollutant;physicalconstants;solidscontent;VOC;volatileorganiccompound;Solvents--paints/relatedcoatings/materials;Weightsolids;Calculatingtestvalues;Density--paints/relatedcoatings/materials;Formul
【摘要】:Physicalconstantsofpaintsandcoatingsarerequiredinallaspectsoftheirformulation,manufactureanduse.Thispracticedemonstratesstandardmethodsagreeduponforcalculatingformulationvaluesforsomeofthesephysicalconstants.Thecalculationsarethesameforeithermetricorinch/poundunits.Theseformulavaluesmaynotbeusedtoreplacemeasuredvaluesrequiredbygovernmentregulationsunlessspecificallystatedinthegoverningdocuments.Someregulationsallowcompliancedeterminationusingformulationdatainsteadofanalyticaldata.Thisformulationdatamaynotyieldthesameresultsastherequiredanalyticalmethod,whichcouldbeperformedonasamplefromanyproductionbatchofthecoating.Inthesecases,theusermaywishtocompareformulationdatatoanalyticaldataanddevelopafactorthatadjustsforvariabilityofrawmaterials,variabilityofproductionbatches,curevolatiles,andvariabilityoftheanalyticalmethods.1.1Thispracticecoversprocedurescommonlyusedinthepaintindustrytoformulatepaintsandcoatingmaterials.Itdescribesproceduresforcalculatingformulationvaluesforweightsolids,volumesolids,solventcontent,volatileorganiccompound(VOC)content,hazardousairpollutant(HAP)content,anddensityofliquidpaintsandcoatings.Thesevaluesarecalculatedfrombasicformulationdata.Thesecalculationsmayberelatedtoeitheras-supplied(unreduced)oras-applied(reduced)coatingmaterials,includingmulticomponenttypes.1.2Thesecalculated,formulation-basedvaluesmayormaynotbeacceptableforVOCregulatorypurposes,dependingonthespecificwordingoftheapplicableregulation.Someregulationsrequireanalysisofthecoating.Somerulesallowtheuseofformulationdata,however,someadjustmentsmaybeneededtothevaluescalculatedinthispracticebeforetheyareusedforregulatorypurposes(see4.3).1.3Forpurposesofthispractice,itisassumedthatvolatilecomponentsevaporateandthematerialsthatremainareidentifiedascoatingsolids.Forexample,solventsarenormallyusedtoadjustviscosityforapplicationandappearanceofthecoating.Otherliquidmaterials,suchasplasticizers,reactivediluents,etc.,thatareexpectedtoberetainedinthedriedfilmtoaffectthefinalphysicalpropertiesshouldbeclassifiedaspartofthecoatingsolids.StandardssuchasTestMethodsD2369,D4758,D5403andGuideD2832maybeusedtodeterminevolatileornonvolatilecontentofspecificcomponents.Forpurposesofthispracticeitisassumedthattheblendedformulationbehavesasanidealsolutionwithnovolumechangeonmixing(see6.2).1.4Volatileby-productsofcross-linkingreactions(curevolatiles)arenotconsideredinthesecalculationssincetheobjectofthispracticeistodefinepaintphysicalconstantsbasedonformulationinformation.Variationsinrawmaterials,variationsintheproductionprocesses,testmethods,andtestmethod......
【中国标准分类号】:G51
【国际标准分类号】:87_040
【页数】:6P.;A4
【正文语种】:英语