基本信息
| 标准名称： | 浙江海宁《非洲菊》标准 |
| 发布日期： | 1900-01-01 |
| 实施日期： | 1900-01-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
适用范围
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前言
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引用标准
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所属分类： 农业 农业和林业
【英文标准名称】:StandardTestMethodforSealStrengthofFlexibleBarrierMaterials
【原文标准名称】:柔性阻挡材料的密封强度用标准试验方法
【标准号】:ASTMF88-2007a
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:(TestMethod)
【标准水平】:()
【中文主题词】:阻挡层材料;柔性材料;包装件;包装;密封件;材料强度;测试
【英文主题词】:
【摘要】:4.1Sealstrengthisaquantitativemeasureforuseinprocessvalidation,processcontrol,andcapability.Sealstrengthisnotonlyrelevanttoopeningforceandpackageintegrity,buttomeasuringthepackagingprocesses'abilitytoproduceconsistentseals.Sealstrengthatsomeminimumlevelisanecessarypackagerequirement,andattimesitisdesirabletolimitthestrengthofthesealtofacilitateopening.4.1.1Themaximumsealforceisimportantinformation,butforsomeapplications,averageforcetoopenthesealmaybeuseful,andinthosecasesalsoshouldbereported.4.2Aportionoftheforcemeasuredwhentestingmaterialsmaybeabendingcomponentandnotsealstrengthalone.Anumberoffixturesandtechniqueshavebeendevisedtoholdsamplesatvariousanglestothepulldirectiontocontrolthisbendingforce.Becausetheeffectofeachoftheseontestresultsisvaried,consistentuseofonetechnique(TechniqueA,TechniqueB,orTechniqueC)throughoutatestseriesisrecommended.ExamplesoffixturesandtechniquesareillustratedinFig.1.4.2.1TechniqueA:Unsupported8212;Eachtailofthespecimenissecuredinopposinggripsandthesealremainsunsupportedwhilethetestisbeingconducted.4.2.2TechniqueB:Supported90x00B0;(ByHand)8212;Eachtailofthespecimenissecuredinopposinggripsandthesealremainshand-supportedata90x00B0;perpendicularangletothetailswhilethetestisbeingconducted.4.2.3TechniqueC:Supported180x00B0;8212;Theleastflexibletailissupportedflatagainstarigidalignmentplateheldinonegrip.Themoreflexibletailisfolded180x00B0;overthesealandisheldintheopposinggripwhilethetestisbeingconducted.1.1Thistestmethodcoversthemeasurementofthestrengthofsealsinflexiblebarriermaterials.1.2Thetestmaybeconductedonsealsbetweenaflexiblematerialandarigidmaterial.1.3Sealstestedinaccordancewiththistestmethodmaybefromanysource,laboratoryorcommercial.1.4Thistestmethodmeasurestheforcerequiredtoseparateateststripofmaterialcontainingtheseal.Italsoidentifiesthemodeofspecimenfailure.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A82
【国际标准分类号】:55_080
【页数】:10P.;A4
【正文语种】: