ASTM D5081-1990(2005) 集料层遮盖性的试验方法

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【英文标准名称】:StandardTestMethodforAggregateLayerHidingPower
【原文标准名称】:集料层遮盖性的试验方法
【标准号】:ASTMD5081-1990(2005)
【标准状态】:现行
【国别】:
【发布日期】:1990
【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】:D08.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:涂漆;覆盖力;试验方法
【英文主题词】:aggregate;ballast;bituminous;roofing
【摘要】:Oneofthefunctionsofaroofingaggregateistoshieldtheroofingmembranefromsunlightthatmaybedestructivetotheroofingmembrane.Thistestmethodmeasuresthequantityofgravelneededtoexcludelightunderarbitrarylaboratoryconditions.Thistestmethodneednotbeperformediftheroofingmembraneisnotaffectedbylightexposure.1.1Thistestmethodmeasuresthequantityofaggregateneededtoprovideanopaquelayerunderlaboratoryconditions.AggregatesizeNumbers1through8,aslistedinClassificationD448,maybetested.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G53
【国际标准分类号】:87_060_10
【页数】:2P.;A4
【正文语种】: