BS 3900-J7-1993 涂料试验方法.第J7部分:粉末涂层试验.用液体位移比重计测定粉末涂层密度

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【英文标准名称】:Methodsoftestforpaints-Testingofcoatingpowders-Determinationofdensityofcoatingpowdersbyliquiddisplacementpyknometer
【原文标准名称】:涂料试验方法.第J7部分:粉末涂层试验.用液体位移比重计测定粉末涂层密度
【标准号】:BS3900-J7-1993
【标准状态】:现行
【国别】:英国
【发布日期】:1993-04-15
【实施或试行日期】:1993-04-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:涂料;试验条件;粒状材料;试验设备;密度测量;密度测定瓶;再现性;覆层
【英文主题词】:Coatingmaterials;Coatings;Colour;Densimeters;Densimetry;Density;Densitybottles;Densitymeasurement;Determination;Displacement;Electrostatic;Functionprinciple;Gascomparisonpyknometers;Liquidmaterials;Mass;Mathematicalcalculations;Paints;Particulatematerials;Powder;Powdercoatings;Pycnometricanalysis;Samplingmethods;Testequipment;Teststandards;Testing;Testingdevices;Varnishes;Volume
【摘要】:ThispartofISO8130specifiesaliquiddisplacementpyknometermethodforthedeterminationofthedensityofcoatingpowders.Themethodisbasedonadeterminationofthemassandthevolumeofatestportion.Theapparatusspecifiedisrelativelyinexpensive,buttheliquiddisplacementpyknometermethodisliabletogiveerroneousresults,particularlyifthepowderswellsincontactwiththedisplacementliq-uidusedorthedisplacementliquiddoesnottotallydisplacetheairbetweenthepowderparticles.Theliquiddisplacementmethodismuchslowerinexe-cutionandlessaccuratethanthegascomparisonpyknometermethodspecifiedinISO8130-2andisonlytobeusedifitcanbeshownthatthesamere-sultswillbeobtainedasforthegascomparisonpyknometermethod.
【中国标准分类号】:G50
【国际标准分类号】:87_040
【页数】:6P.;A4
【正文语种】:英语