【英文标准名称】:Paperandboard-Measurementofspeculargloss-75°glosswithaconvergingbeam,TAPPImethod
【原文标准名称】:纸和纸板.光泽度的测量.用聚光束的75°,TAPPI方法
【标准号】:BSISO8254-1-2000
【标准状态】:现行
【国别】:英国
【发布日期】:2000-03-15
【实施或试行日期】:2000-03-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:校正;角(几何学);精密度;试验设备;控制样品;试样制备
【英文主题词】:surfaces;board(paper);testing;definitions;testreports;photometry;reflectometerreading;evaluations;testequipment;gloss;gloss(ofsurface);determination;materialstesting;tests;paper;definition;samplingmethods
【摘要】:ThispartofISO8254specifiesamethodformeasuringthespecularglossofpaperatanangleof75°tothenormaltothepapersurface.Althoughitschiefapplicationistocoatedpapers,itmayalsobeusedforglossyuncoatedpaperssuchassupercalenderedpapers.NOTE1Thismethoddoesnotprovideanassessmentofimage-reflectingqualityandshouldnotbeusedforcast-coated,lacquered,highlyvarnishedorwaxedpapersorforhigh-glossinkfilms.Forthesepurposes,measurementsatotherangles,forexample20°arepreferred,althoughthepresentmethodhasbeenshowntobesuitableforglossmeasurementsofmostotherinkfilmsonpaperorpaperboard.DifferencesinthecolourandthediffusereflectancesoftheseinkfilmshaveanegligibleeffectonglossmeasuredaccordingtothisInternationalStandard.Forexample,measurementsonwhiteandblacksurfaceswhichareotherwiseidenticalgiveavalueforthewhitesurfacethatislessthanoneglossunithigherthanthevaluefortheblacksurface.NOTE2ThemethodsspecifiedinISO2813:1978,Paintsandvarnishes—Measurementofspecularglossofnon-metallicpaintfilmat20°,60°and85°,maybeapplicabletocertaingradesofpaper.
【中国标准分类号】:Y30
【国际标准分类号】:85_060
【页数】:16P;A4
【正文语种】:英语