【英文标准名称】:TestMethodforPolyurethaneRawMaterials:DeterminationofAcidityinLowAcidityAromaticIsocyanatesandPolyurethanePrepolymers(08.03)
【原文标准名称】:聚氨基甲酸乙酯原材料试验方法:低酸性芳族异氰酸盐酯和聚氨基甲酸乙酯预聚物酸度的测定
【标准号】:ANSI/ASTMD5629-1999
【标准状态】:现行
【国别】:美国
【发布日期】:1999
【实施或试行日期】:2000-01-18
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:聚氨酯;酸度;塑料
【英文主题词】:polyurethane;acidity;plastics
【摘要】:Thistestmethodmeasurestheacidity,expressedasppmofhydrochloricacid(HCl),inaromaticisocyanateorpolyurethaneprepolymersamplesofbelow100ppmacidity.Thetestmethodisapplicabletoproductsderivedfromtoluenediisocyanateandmethylene-bis-(4-phenylisocyanate)(seeNote0).RefertoTestMethodD6099fordeterminationofacidityinmoderate-tohigh-acidityaromaticisocyanates.ISO14898,MethodBistechnicallyequivalenttothistestmethod.ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G31
【国际标准分类号】:83_080_10
【页数】:
【正文语种】:英语