【英文标准名称】:StandardPracticeforRubberfromNaturalSources-SamplingandSortingBalesBasedonPredictedProcessingProperties
【原文标准名称】:天然橡胶的标准实施规程-基于预测加工性能的取样和分类
【标准号】:ASTMD7050-2004(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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】:D11.22
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:hardrubber;naturalrubber;processability;processingproperties;sampling;softrubber;sortingbalesRubber(natural)
【摘要】:InaccordancewithSpecificationD2227,shipmentsofTSR10andTSR20mustmeetaminimuminitialWallaceplasticity(Po)of30tobeaccepted.However,evenwiththisminimumrestriction,theuncuredviscoelasticorx201C;processabilityx201D;propertiesareallowedtovarygreatly.Thisvariationinpropertiescansignificantlyaffectthequalityandefficiencyofafactoryoperation.BalesofTSR10orTSR20whicharelowerintheiruncuredelasticquality(x201C;softx201D;rubber)insomecasesmayimpartbetterprocessingpropertiestotireinnerliners,cushiongums,andsidewalls.x201C;Softx201D;balessometimesimpartbetterbuildingtack,bettermoldflow,andlowerextrusiondieswellwithbetterdimensionalstability.Also,thesex201C;softx201D;rubberbalesmaydissolvefasterinsolventsforadhesiondipping.BalesofTSR10orTSR20thatarehigherintheiruncuredelasticquality(x201C;hardx201D;rubber)insomecasesgenerategreatershearingduringtheinitialstagesofafactorymix,whichresultinafasterbreakdownandashortermixcycle.Therefore,inafactoryoperation,sometimessegregatingTSR10orTSR20shipmentsintox201C;softx201D;andx201C;hardx201D;categoriescanimprovetheefficiencyandqualityofafactoryoperation.1.1ThispracticecoversthesortingofnaturalrubberbalesofTSR10orTSR20inthefactoryaccordingtotheirpredictedprocessingperformancebasedondifferencesinviscoelasticproperties.1.2Thispracticedetermineswhichbalesshouldbeusedinfactorycompoundswhichbenefitfromusingx201C;softx201D;naturalrubberversuswhichworkbetterwithx201C;hardx201D;naturalrubber.
【中国标准分类号】:B72
【国际标准分类号】:83_060
【页数】:2P.;A4
【正文语种】:英语


【英文标准名称】:Workshopfabricatedsteeltanks-Horizontalcylindricalsingleskinanddoubleskintanksfortheabovegroundstorageofflammableandnon-flammablewaterpollutingliquids
【原文标准名称】:工厂制造的钢罐.易燃和非易燃水污染液体的地上储存用卧式圆柱形单层和双层钢罐
【标准号】:BSEN12285-2-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2005-02-21
【实施或试行日期】:2005-02-21
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:底部;弓形;CE标志;CE标记;合格证书;可燃液体;合格;装配产品;容器;圆柱形;危险的可裂变物质;定义;定义(术语);设计;尺寸规格;双层壁;企业;外墙;易燃材料;安装;内墙;检漏仪;液体;危害水的液体;卧的;人孔;厂商试验;制造;作标记;材料;不易燃材料;不燃液体;工作温度;顺序示度;高架的;压力试验;生产控制;单层壁;规范(验收);钢;存储;储存罐;储存;槽罐设备;水箱(容器);测试;型式;水污染物质;转动装置
【英文主题词】:Bottom;Cambered;CEmark;CEmarking;Certificates;Combustibleliquids;Conformity;Constructionalproducts;Containers;Cylindricalshape;Dangerousstuffs;Definition;Definitions;Design;Dimensions;Double-walled;Enterprises;Exteriorwalls;Flammablematerials;Installations;Interiorwalls;Leakdetectors;Liquids;Liquidsdangeroustowater;Lying;Manholes;Manufacturer'stest;Manufacturing;Marking;Materials;Non-flammablematerials;Non-inflammableliquids;Operatingtemperatures;Orderindications;Overhead;Pressuretests;Productioncontrol;Single-walled;Specification(approval);Steels;Storage;Storagetank;Storages;Tankinstallations;Tanks(containers);Testing;Types;Water-pollutingsubstances;Wheelworks
【摘要】:Thisdocumentspecifiestherequirementsformetallicshopfabricatedcylindrical,horizontalsteeltanks,singleanddoubleskinfortheabovegroundstorageofwaterpollutingliquids(bothflammableandnon-flammable)withinthefollowinglimits:—from800mmupto3000mmnominaldiameterand,—uptoamaximumoveralllengthof6timesthenominaldiameterand,—forliquidswithamaximumdensityofupto1,9kg/land,—withanoperatingpressure(Po)ofmaximum1,5bar(abs.)and,—wheredoubleskintankswithavacuumleakdetectionsystemareusedthecinematicviscosityofthestoredmediashallnotexceed5×10m/s.Thisdocumentisapplicablefornormalambienttemperatureconditions(-20℃to+50℃).Wheretemperaturesareoutsidethisrange,additionalrequirementsneedtobetakenintoaccount.ThisdocumentisnotapplicableforthestorageofliquidshavingdangerousgoodclasseslistedinTable1becauseofthespecialdangersinvolved.NOTETheclassificationsreferredtoarethoseadoptedbytheUnitedNationsCommitteeofExpertsontheTransportofDangerousGoods(nottobeinterpretedastankclassesdescribedin3.1.4).Thisdocumentdoesnotcovertheinstallationoftankswhichmightbesubjecttolocalregulationsinvolvingpollutioncontrol.
【中国标准分类号】:A82;C67
【国际标准分类号】:13_300;23_020_10
【页数】:36P;A4
【正文语种】:英语