ASTM D 5209-1992 测定市政污秽沉积物现场的塑料材料需养生物降解作用的试验方法
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【英文标准名称】:TestMethodforDeterminingtheAerobicBiodegradationofPlasticMaterialsinthePresenceofMunicipalSewageSludge
【原文标准名称】:测定市政污秽沉积物现场的塑料材料需养生物降解作用的试验方法
【标准号】:ASTMD5209-1992
【标准状态】:作废
【国别】:美国
【发布日期】:1992
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:生物降解能力;污泥;试验;塑料
【英文主题词】:biodegradability;sewagesludge;plastics;testing
【摘要】:
【中国标准分类号】:Z13;G31
【国际标准分类号】:19_020;13_030;83_080_00
【页数】:4P;A4
【正文语种】:英语
基本信息
| 标准名称： | 实心轮胎 |
| 中标分类： |
化工 >>
橡胶制品及其辅助材料 >>
轮胎 |
| 替代情况： | 被GB/T 10824-1996代替 |
| 发布日期： | |
| 实施日期： | 1990-01-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
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： 化工 橡胶制品及其辅助材料 轮胎
【英文标准名称】:StandardPracticesforMakingHeatsealsforDeterminationofHeatsealabilityofFlexibleWebsasMeasuredbySealStrength
【原文标准名称】:通过测量密封强度测定挠性网热密封性能用熔焊的标准实施规范
【标准号】:ASTMF2029-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:heatsealability;heatsealing;hottack;sealstrength;Flexiblebarriermaterials;Heatsealability(offlexiblewebs);Hottack;Sealstrength
【摘要】:Thispracticeallowsdeterminationoftheheatsealabilityofasurfaceorsealantlayer.Whileitisnecessarytohaveaheatsealsurfacelayerthathasadequatesealstrengthfortheapplication,othermaterialproperties,suchasthespecificconstructionandtotalthickness,bothchosentosatisfyrequirementsotherthanheatsealability,willimpactthesealingpropertiesofthematerial.Thispracticeallowstheimpactofchangesinmaterialpropertiesonheatsealabilitytobemeasured.1.1Thesepracticescoverlaboratorypreparationofheatsealsandthetreatmentandevaluationofheatsealstrengthdataforthepurposeofdeterminingheatsealabilityofflexiblebarriermaterials.Itdoesnotcovertherequiredvalidationprocedureforthematerialsandproductionequipment.1.2Testingstrengthorotherpropertiesoftheheatsealsformedbythesepracticesisnotincludedinthisstandard.RefertoTestMethodF88fortestingheatsealstrength.1.3Thepracticesofthisstandardarerestrictedtosealingwithamachineemployinghot-barjaw(s).Impulse,high-frequency,andultrasonicheatingmethodsarenotincluded.1.4Thesepracticesapplyprimarilytowebsintendedtobeusedoncommercialmachinesemployingreciprocatingsealingjaws,suchasmostform-fill-sealpackagingmachines,platenheatsealers,andsoforth.Conditionsofdwelltimeandsealingpressureonmachinesofthistypetypicallyaredifferentfromthoseonrotarymachines.1.5Theprocedureofthispracticewithrespecttochoiceofheatsealingconditionsapplytoultimatesealstrengthorhottackmeasurement.1.6Sealsmaybemadebetweenwebsofthesameordissimilarmaterials.Theindividualwebsmaybehomogeneousinstructureormultilayered(coextruded,coated,laminated,andsoforth).1.7StrengthoftheheatsealasmeasuredbyTestMethodF88isthecriterionforjudgingheatsealabilityemployedinthesepractices.1.8Determinationofheatsealabilityasjudgedbysealcontinuity,typicallymeasuredbyair-leak,dyepenetration,visualexamination,microorganismpenetration,orothertechniques,arenotcoveredbythesepractices.1.9ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.10Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J33
【国际标准分类号】:83_180
【页数】:8P.;A4
【正文语种】:英语
