【英文标准名称】:StandardTestMethodforPermeabilityofThermoplasticContainerstoPackagedReagentsorProprietaryProducts
【原文标准名称】:包装试剂或专有产品对热塑塑料容器的渗透性的标准试验方法
【标准号】:ASTMD2684-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D20.19
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:containers;permeability;plasticbottles;Exposuretests--plastics;Permeability;Plasticbottles;Reagents;Thermoplasticcontainers
【摘要】:Withtheproperprecautionsandbackgroundexperience,resultscanbeusefulforestimationofthelossofapackagedproductthroughthewallsofacontainerduringshelfstorage.Thetestisalsousefulforisolatingtheeffectsofacontainerdesignandmaterials,andisapplicablefordevelopmentandresearchandforspecificationpurposes.Intheabsenceofadequatesupportingdata,extrapolationsorcorrelationsofresultstoconditionsbeyondthoseofthetestarenotrecommendedbecauseofpossibleproductalteration,solvency,orchemicaleffectsontheplastic,etc.Beforeproceedingwiththistestmethod,refertothespecificationofthematerialbeingtested.Anytestspecimenpreparation,conditioning,dimensions,ortestingparameters,orcombinationthereof,coveredinthematerialsspecificationshalltakeprecedenceoverthosementionedinthistestmethod.Iftherearenomaterialspecifications,thenthedefaultconditionsapply.1.1Thistestmethodcoversproceduresfordeterminingthepermeabilityofthermoplasticcontainerstopackagedreagentsorproprietaryproductsunderspecifiedconditionsofexposure.Theexposuresusedareintendedtosimulatethenormalandelevatedtemperature-storageconditionsthatmightbeencounteredinend-useapplication.1.2Thistestmethodisapplicableonlytothosetypesofcontainersdesignedtoallowpositive,leakproofclosure.1.3Twoproceduresareprovided:1.3.1ProcedureAisspecifictotestingonlywithastandarddesigncontainer.Thisprocedureprovidesfordeterminationsofrateofweightloss(orgain)andforcalculationofapermeabilityfactor.1.3.2ProcedureBappliestotestsofallothercontainerdesigns.Permeabilitydatabythisprocedureareexpressedonlyintermsofrateofweightloss(orgain)fortheparticularcontainertested.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesaremathematicalconversionstoinch-poundunitsthatareprovidedforinformationonlyandarenotconsideredstandard.Note18212;ThereisnoknownISOequivalenttothisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A82
【国际标准分类号】:55_040
【页数】:5P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 不可热处理强化的铝合金板 |
| 英文名称： | Aluminium and aluminium alloy sheets of nonheat-treatable strengthening drades |
| 中标分类： |
冶金 >>
有色金属及其合金产品 >>
轻金属及其合金 |
| 替代情况： | 原标准号GBn 168-1982 |
| 发布日期： | 1982-09-08 |
| 实施日期： | 1983-06-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 2005-07-26 |
| 出版日期： | 1900-01-01 |
| 页数： | 7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： 冶金 有色金属及其合金产品 轻金属及其合金