【英文标准名称】:StandardPracticeforEvaluationofChemicalResistanceofPrintedInksandCoatingsonFlexiblePackagingMaterials
【原文标准名称】:柔性包装材料上打印墨水和涂层抗化学腐蚀性评价的标准实施规程
【标准号】:ASTMF2250-2003(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【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】:F02.20
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:alcoholresistance;chemicalresistance;Alcoholresistance;Chemicalexposure;Chemicalresistance--paints/relatedcoatings/materials;Coatings;Flexiblepackagingmaterials;Overprintvarnish
【摘要】:Packagingmaterialsmaybeexposedtochemicalssuchaswater,alcohol,acid,etc.duringtheirlifecycle.Ifitisanticipatedthatthepackagingmaterialwillbeexposedtoachemical,itisimportantthattheinkorcoating,orboth,notdegrade,soften,ordissolveasaresultofthatcontact.Thetestingincludedinthispracticeisapplicabletosurfaceprintedandcoatedmaterialsdesignedtoberesistanttoaspecificchemical.Thechemicalstobetestedshouldbecompatiblewith(thatis,notdamageordegrade)thesubstratebeingprintedorcoated,orboth.Therearefourseparatemethodsdetailedinthispractice.ThemethodsrepresentincreasingdegreesofseverityfromMethodAtoMethodD.Selectionofmethodshouldbebasedonthetypeofexposureanticipated.Forexample,thepouringmethod(MethodA)istypicallyusedwhereincidentalexposureisanticipated,suchasaspillorsplashofchemicalonthematerialsurface.MethodBorCistypicallyusedwhenchemicalresistanceisdesireddependingonthelevelofexposure(B)andabrasion(C)anticipated.MethodDwouldrepresentcontinualcontactbetweenthechemicalandmaterialandwouldneedtobechemical-proof,(forexample,ifthepackageweretobesubmergedinthechemicalandexposedtoabrasionoveraperiodoftime.)Thispracticedoesnotaddressacceptabilitycriteria.Theseneedtobejointlydeterminedbytheuserandproduceroftheproduct,basedonthetypeofexposurethatisanticipated.1.1Thispracticedescribestheprocedureforevaluatingtheabilityofanink,overprintvarnishorcoatingtowithstandchemicalexposure.Typicalchemicals,whichmaycomeincontactwiththepackage,includewater,alcohol,acid,etc.Thespecificchemicalandmethodofchoiceaswellasdeterminationofmeasurementoutcomearelefttouserstoagreeuponinjointdiscussion.Suggestionsforwaystomeasureandcollectinformationareofferedinthevariousmethodslistedinthispractice.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A82
【国际标准分类号】:87_080
【页数】:3P.;A4
【正文语种】:英语
基本信息
标准名称: | 电子设备用铝型材手册 |
英文名称: | Handbook of aluminium alloy-extruded profiles for electronic equipment |
中标分类: |
机械 >>
机械综合 >>
技术管理 |
发布日期: | 1994-08-08 |
实施日期: | 1994-12-01 |
首发日期: | 1900-01-01 |
作废日期: | 2010-01-20 |
出版日期: | 1900-01-01 |
页数: | 491页 |
适用范围
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前言
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目录
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引用标准
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所属分类: 机械 机械综合 技术管理