【英文标准名称】:StandardTestMethodforHazeandLuminousTransmittanceofTransparentPlastics
【原文标准名称】:透明塑料的透光率和雾度的测定用标准试验方法
【标准号】:ASTMD1003-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:D20.40
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:塑料;测试;透明软片;透明度;混浊度
【英文主题词】:haze;luminoustransmittance;regulartransmittance;transparentplastics;
【摘要】:1.1Thistestmethodcoverstheevaluationofspecificlight-transmittingandwide-angle-light-scatteringpropertiesofplanarsectionsofmaterialssuchasessentiallytransparentplastic.Twoproceduresareprovidedforthemeasurementofluminoustransmittanceandhaze.ProcedureAusesahazemeterasdescribedinSectionandProcedureBusesaspectrophotometerasdescribedinSection.Materialhavingahazevaluegreaterthan30%isconsidereddiffusingandshouldbetestedinaccordancewithPracticeE167.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Note1Forgreaterdiscriminationamongmaterialsthatscatterahighpercentoflightwithinanarrowforwardangle,suchasisthecasewithabradedtransparentplastics,adjustthehazemeterandperformmeasurementsinaccordancewithTestMethodD1044.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.ThistestmethodisnotequivalenttoISO13468-1andISO/DIS14782.
【中国标准分类号】:G31
【国际标准分类号】:83_140_99
【页数】:7P.;A4
【正文语种】: