JIS Z1715-1997 包装用双轴定向聚对苯二甲酸乙酯薄膜

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【英文标准名称】:StandardPracticeforCalculatingFormulationPhysicalConstantsofPaintsandCoatings
【原文标准名称】:颜料和涂料的物理常数计算方程式的标准使用方法
【标准号】:ASTMD5201-2005a
【标准状态】:现行
【国别】:
【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】:涂料;计算方法;物理性能;挥发性氧化物;覆层材料;密度
【英文主题词】:density;formulation;HAP;hazardousairpollutant;physicalconstants;solidscontent;VOC;volatileorganiccompound
【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(see).1.3Forpurposesofthispractice,itisassumedthatvolatilecomponentsevaporateandthematerialsthatremainareidentifiedascoatingsolids.Forexample,solventsarenormallyusedtoadjustviscosityforapplicationandappearanceofthecoating.Otherliquidmaterials,suchasplasticizers,reactivediluents,etc.,thatareexpectedtoberetainedinthedriedfilmtoaffectthefinalphysicalpropertiesshouldbeclassifiedaspartofthecoatingsolids.StandardssuchasTestMethodsD2369,D4758,D5403andGuideD2832maybeusedtodeterminevolatileornonvolatilecontentofspecificcomponents.Forpurposesofthispracticeitisassumedthattheblendedformulationbehavesasanidealsolutionwithnovolumechangeonmixing(see).1.4Volatileby-productsofcross-linkingreactions(curevolatiles)arenotconsideredinthesecalculationssincetheobjectofthispracticeistodefinepaintphysicalconstantsbasedonformulationinformation.Variationsinrawmaterials,variationsintheproductionprocesses,testmethods,andtestmethodaccuracyarenottakenintoaccountinthesecalculations.1.5ThevaluesshowninthismethodarestatedinEnglishinch-poundunitsascommonlyusedintheUnitedStates.However,theymaybereadilyconvertedintoSIunits,ifrequiredbytheuser(forexample,seeNote0).1.6Thevaluesstatedininch-poundunitsaretoberegardedasthestandardforthisspecificpractice.Thevaluesgiveninparenthesesareforinformationonly.
【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】:


【英文标准名称】:Magneticmaterials.Methodsofmeasurementofmagnetic,electricalandphysicalpropertiesofmagneticsheetandstrip
【原文标准名称】:磁性材料.第2部分:磁板和磁条的磁、电性能和物理性能的测定方法
【标准号】:BS6404Pt.2-1985
【标准状态】:作废
【国别】:英国
【发布日期】:1985-02-28
【实施或试行日期】:
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:机械试验;准确度;精密度;堆积试验;电功率测量;空气;电阻;再现性;薄板材;电绝缘;密度测量;电桥;电阻率;电路;材料的磁性能;电学测量;试验设备;带材;磁性合金;磁测量;气体流动;磁导率;尺寸;磁通密度;功率损耗;磁场强度;磁路;磁性材料;电阻测量;磁场测量;钢;校正(误差)
【英文主题词】:magneticmeasurement;magneticalloys;magneticpropertiesofmaterials;bridges(electric);magneticfieldmeasurement;magneticpermeability;sheetmaterials;accuracy;testequipment;reproducibility;air;compensation(errors);stackingtests;electricalinsulation;gasflow;powermeasurement(electric);resistancemeasurement;dimensions;magneticmaterials;magneticfieldstrength;magneticcircuits;precision;circuits;densitymeasurement;steels;electricalresistivity;magneticfluxdensity;mechanicaltesting;powerlosses;electricalmeasurement;electricalresistance;strips
【摘要】:
【中国标准分类号】:L19
【国际标准分类号】:
【页数】:48P.;A4
【正文语种】:英语