ASTM B940-2005(2009)e1 在锌和镉表面非铬酸涂层试验的标准实施规程
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【英文标准名称】:StandardPracticeforTestingNon-ChromateCoatingsonZincandCadmiumSurfaces
【原文标准名称】:在锌和镉表面非铬酸涂层试验的标准实施规程
【标准号】:ASTMB940-2005(2009)e1
【标准状态】:现行
【国别】:美国
【发布日期】:2005
【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】:B08.07
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:non-chromatecoatings;Cadmium;Chemicalconversioncoatings;Electrochemicalconversioncoatings;Non-chromatecoatings;Zinc
【摘要】:Thispracticeisapplicabletonon-chromatecoatingsthatarecolorless,colored,electrochemicallyappliedornon-electrochemicallyapplied.Thezincorcadmium,orboth,maybeelectrodeposited,mechanicallydeposited,hot-dipped,rolled,orintheformofcastings.Becauseofvariablesinherentinthesalt-spraytestwhichmaydifferfromonetestcabinettoanother,interpretationoftestresultsforcompliancewithexpectedperformanceshouldbespecifiedbythepurchaser.Propertiessuchasthickness,color,luster,andabilitytoprovidegoodpaintadhesionarenotcoveredinthispractice,norarethechemicalcompositionandthemethodofapplicationofthesefinishes.1.1Thispracticecoversaprocedureforevaluatingtheprotectivevalueofchemicalandelectrochemicalconversioncoatingsproducedbynon-chromate(chromatebeingdefinedasacompoundthathaschromiumintheplussixoxidationstate,andassuch,chromiumcompoundsinotheroxidationstates,suchasplusthree,shallnotbeexcluded)treatmentsofzincandcadmiumsurfaces.1.2Theprotectivevalueofanon-chromatecoatingisusuallydeterminedbysalt-spraytestandbydeterminingwhetherornotthecoatingpossessesadequateabrasionresistancewhenappliedforthatpurpose.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:25_220_99
【页数】:3P.;A4
【正文语种】:英语
【原文标准名称】:在锌和镉表面非铬酸涂层试验的标准实施规程
【标准号】:ASTMB940-2005(2009)e1
【标准状态】:现行
【国别】:美国
【发布日期】:2005
【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】:B08.07
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:non-chromatecoatings;Cadmium;Chemicalconversioncoatings;Electrochemicalconversioncoatings;Non-chromatecoatings;Zinc
【摘要】:Thispracticeisapplicabletonon-chromatecoatingsthatarecolorless,colored,electrochemicallyappliedornon-electrochemicallyapplied.Thezincorcadmium,orboth,maybeelectrodeposited,mechanicallydeposited,hot-dipped,rolled,orintheformofcastings.Becauseofvariablesinherentinthesalt-spraytestwhichmaydifferfromonetestcabinettoanother,interpretationoftestresultsforcompliancewithexpectedperformanceshouldbespecifiedbythepurchaser.Propertiessuchasthickness,color,luster,andabilitytoprovidegoodpaintadhesionarenotcoveredinthispractice,norarethechemicalcompositionandthemethodofapplicationofthesefinishes.1.1Thispracticecoversaprocedureforevaluatingtheprotectivevalueofchemicalandelectrochemicalconversioncoatingsproducedbynon-chromate(chromatebeingdefinedasacompoundthathaschromiumintheplussixoxidationstate,andassuch,chromiumcompoundsinotheroxidationstates,suchasplusthree,shallnotbeexcluded)treatmentsofzincandcadmiumsurfaces.1.2Theprotectivevalueofanon-chromatecoatingisusuallydeterminedbysalt-spraytestandbydeterminingwhetherornotthecoatingpossessesadequateabrasionresistancewhenappliedforthatpurpose.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:25_220_99
【页数】:3P.;A4
【正文语种】:英语
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