【英文标准名称】:StandardTestMethodsforPolyurethaneRawMaterials:DeterminationofGardnerandAPHAColorofPolyols
【原文标准名称】:聚氨基甲酸乙酯原材料的标准试验方法:多元醇的加德内尔(Gardner)和APHA颜色测定
【标准号】:ASTMD4890-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:D20.22
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:比色法;聚酯树脂;试验
【英文主题词】:APHA;color;Gardner;platinum-cobaltscale;polyols;polyurethanerawmaterials;Pt-Coscale
【摘要】:Thesetestmethodsaresuitableforqualitycontrol,asspecificationtests,andforresearch.Colorisanimportantpropertyofurethaneproducts.1.1Thesetestmethodsmeasurevisuallythecolorofclearpolyesterandpolyetherliquids.Theyapplyonlytomaterialswhosecolorshavelight-absorptioncharacteristicssimilartothoseofthestandards.AnalternativemethodisTestMethodD1209(see).1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note1AlthoughTestMethodAofthesetestmethodsandISO4630-1:2004differinsomedetails,dataobtainedusingeitheraretechnicallyequivalent.AlthoughTestMethodBofthesetestmethodsandISO6271-1981differinsomedetails,dataobtainedusingeitheraretechnicallyequivalent.
【中国标准分类号】:G31
【国际标准分类号】:
【页数】:4P.;A4
【正文语种】: