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【英文标准名称】:Rubber,vulcanizedorthermoplastic-Determinationofcompressionset-Part1:Atambientorelevatedtemperatures
【原文标准名称】:硫化或热塑性橡胶.压缩永久变形的测定.第1部分:室温或更高温度
【标准号】:ISO815-1-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-02
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC45
【标准类型】:()
【标准水平】:()
【中文主题词】:室温;压缩永久变形;压缩测试;压缩试验;测定;弹性体;材料测试;测量;塑料;特性;橡胶;应变;温度;测试;测试条件;热塑性聚合物;硫化橡胶
【英文主题词】:Ambienttemperature;Compressionset;Compressiontesting;Compressiontests;Determination;Elastomers;High-temperaturetesting;Materialstesting;Measurement;Plastics;Properties;Rubber;Strain;Temperature;Temperaturemeasurement;Testing;Testingconditions;Thermoplasticpolymers;Vulcanizedrubber
【摘要】:ThispartofISO815specifiesmethodsforthedeterminationofthecompressionsetcharacteristicsofvulcanizedandthermoplasticrubbersatambientorelevatedtemperatures.Themethodsareintendedtomeasuretheabilityofrubbersofhardnesswithintherange10IRHDto95IRHDtoretaintheirelasticpropertiesatspecifiedtemperaturesafterprolongedcompressionatconstantstrain(normally)underoneofthealternativesetsofconditionsdescribed.Forrubberofnominalhardness80IRHDandabove,alowercompressionstrainisused:foranominalhardnessfrom80IRHDto89IRHDandforanominalhardnessfrom90IRHDto95IRHD.NOTE1Whenrubberisheldundercompression,physicalorchemicalchangescanoccurthatpreventtherubberreturningtoitsoriginaldimensionsafterreleaseofthedeformingforce.Theresultisaset,themagnitudeofwhichdependsonthetimeandtemperatureofcompressionaswellasonthetimeandtemperatureofrecovery.Atelevatedtemperatures,chemicalchangesbecomeincreasinglymoreimportantandleadtoapermanentset.NOTE2Short-timecompressionsettests,typicallyfor,atelevatedtemperaturesarecommonlyusedasameasureofthestateofcure,ameansofmaterialclassificationandaspecificationtoensurethequalityofacompound.Longertests,typicallyfor,atelevatedtemperaturestakeaccountoftheeffectofageingandareoftenusedtopredictserviceperformance,includingthatofsealingmaterials.Short-timetestsatambienttemperatureshowmainlytheeffectofphysicalchanges(re-orientationofthemolecularchainsandthefillers).
【中国标准分类号】:G34
【国际标准分类号】:83_060
【页数】:10P;A4
【正文语种】:英语


【英文标准名称】:Plasticspipingsystemsforhotandcoldwaterinstallations-Chlorinatedpoly(vinylchloride)(PVC-C)-Part3:Fittings
【原文标准名称】:冷热水装置用塑料管道系统.氯化聚氯乙烯(PVC-C).第3部分:配件
【标准号】:ISO15877-3-2003
【标准状态】:作废
【国别】:国际
【发布日期】:2003-12
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC138
【标准类型】:()
【标准水平】:()
【中文主题词】:水常规;热水;饮用水;材料;管道;物理性能;可用水;加热系统;规范(验收);尺寸;冷水管;塑料管道;特性;塑料;建筑物;PVC-C;壁厚;热环境系统;水管;作标记;温水;输水管道;建筑元件试验;装配尺寸;管道配件;热水集中供暖;液压试验;管系统;冷水;试验;使用条件;机械性能;聚乙烯管;装置;建筑物服务设施;建筑物服务设施;运输;水;聚氯乙烯;加热设备;化学性质;氯化的;给水;管道装置;定义;家用(安装)设备;耐力;配件;管;塑料管;分类
【英文主题词】:Assemblydimensions;Buildingcomponenttest;Buildingservices;Buildings;Chemicalproperties;Chlorinated;Classification;Coldwater;Coldwaterconduit;Definition;Definitions;Dimensions;Fittings;Heatedsystems;Heatingequipment;Hotwater;Hot-watercentralheating;Houseinstallations;Hydraulicpressuretest;Installations;Marking;Materials;Mechanicalproperties;Operatingconditions;Physicalproperties;Pipefittings;Pipelineinstallations;Pipelines;Pipes;Pipingsystem;Plasticpipelines;Plasticpipes;Plastictubes;Plastics;Polyvinylchloride;Potablewater;Properties;PVC-C;PVC-pipes;Resistance;Serviceinstallationsinbuildings;Servicewater;Specification(approval);Testing;Thermalenvironmentsystems;Transport;Wallthicknesses;Warmwater;Water;Waterpipelines;Waterpipes;Waterpractice;Watersupply
【摘要】:ThisPartofENISO15877specifiesthecharacteristicsoffittingsmadefromchlorinatedpoly(vinylchloride)(PVC-C)forpipingsystemsintendedtobeusedforhotandcoldwaterinstallationswithinbuildingsfortheconveyanceofwater,whetherornotintendedforhumanconsumption(domesticsystems)underdesignpressuresandtemperaturesaccordingtotheclassofapplication(seeTable1ofENISO15877-1:2003).Thisstandardcoversarangeofserviceconditions(applicationclasses)anddesignpressureclasses.ForvaluesofTD,TmaxandTmalinexcessofthoseinTable1ofPart1,thisstandarddoesnotapply.NOTE1Itistheresponsibilityofthepurchaserorspecifiertomaketheappropriateselectionsfromtheseaspects,takingintoaccounttheirparticularrequirementsandanyrelevantnationalregulationsandinstallationpracticesorcodes.Italsospecifiestheparametersforthetestmethodsreferredtointhisstandard.InconjunctionwiththeotherPartsofENISO15877:2003(seeForeword)itisapplicabletoPVC-Cfittings,theirjointsandtojointswithcomponentsofPVC-C,otherplasticsandnon-plasticsmaterialsintendedtobeusedforhotandcoldwaterinstallations.Thisstandardisapplicabletofittingsofthefollowingtypes:—fittingsforsolventcementjoints;—mechanicalfittings;—fittingswithincorporatedinserts.NOTE2FittingsmadefromPVC-Caremanufacturedbyinjection-moulding.
【中国标准分类号】:Q81
【国际标准分类号】:23_040_45;91_140_60
【页数】:23P;A4
【正文语种】:英语