您的位置: 标准下载 » 协会标准 » ASTM 美国材料与试验协会 »

ASTM D4245-2002 在干90℃/湿75℃时电线和电缆的耐臭氧热塑性弹性体绝缘的标准规范

作者:标准资料网 时间:2024-05-30 01:24:03  浏览:9326   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:StandardSpecificationforOzone-ResistantThermoplasticElastomerInsulationForWireandCable,90&176CDry/75&176CWetOperation
【原文标准名称】:在干90℃/湿75℃时电线和电缆的耐臭氧热塑性弹性体绝缘的标准规范
【标准号】:ASTMD4245-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:D09.18
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:电缆;弹性体;电气工程;电绝缘;加热;绝缘;氧;耐力;热塑性聚合物;金属线
【英文主题词】:acceleratedwaterabsorption;acvoltagetest;dcvoltagetest;insulation;insulationresistance;90&176;Cdry/75&176;Cwetinsulation;ozone-resistant;thermoplasticelastomer;thermoplasticelastomerinsulation;
【摘要】:1.1Thisspecificationcoversanozone-resistantinsulatingcompoundforelectricalwireandcables14AWGandlarger.Thiscompoundconsistssubstantiallyofathermoplasticelastomer.1.2Thistypeofinsulationissuitableforcontinuousoperationatconductortemperaturesnotexceeding90176;Cindrylocationsand75176;Cinwetlocations.Operatingvoltagesarenottoexceed2000V.Theminimuminstallationtemperatureis40176;C.1.3Whenevertwosetsofvaluesarepresented,indifferentunits,thevaluesinthefirstsetarethestandard,whilethoseinparenthesesareforinformationonly.1.4Inmanyinstancestheinsulationmaterialcannotbetestedunlessithasbeenformedaroundaconductororcable.Therefore,testsaredoneoninsulatedwireorcableinthisdocumentsolelytodeterminetherelevantpropertyoftheinsulationmaterialandnottotesttheconductororcompletedcable.
【中国标准分类号】:K13
【国际标准分类号】:29_035_20
【页数】:2P.;A4
【正文语种】:


下载地址: 点击此处下载
【英文标准名称】:Resilientfloorcoverings-Determinationofmassperunitarea;GermanversionEN430:1994
【原文标准名称】:弹性覆地材料.单位面积质量测定
【标准号】:EN430-1994
【标准状态】:现行
【国别】:
【发布日期】:1994-11
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:弹性织物;重量;温湿度预调节;试验报告;材料;布;质量(物质);天平;面积;试样;砝码;地板覆盖物;塑料;抽样方法;试验设备;数学计算;试验;测定;定义;尺寸
【英文主题词】:Area;Balances;Cloth;Definition;Definitions;Determination;Dimensions;Elasticfabrics;Floorcoverings;Mass;Mathematicalcalculations;Measurement;Plastics;Preconditioning;Samplingmethods;Substance;Testequipment;Testreports;Testspecimens;Testing;Textilefloorcoverings;Weights
【摘要】:
【中国标准分类号】:Q17
【国际标准分类号】:97_150
【页数】:3P.;A4
【正文语种】:英语


【英文标准名称】:Cosmetics-Microbiology-DetectionofStaphylococcusaureus
【原文标准名称】:化妆品.微生物学.葡萄球菌的检测
【标准号】:ISO22718-2006
【标准状态】:现行
【国别】:国际
【发布日期】:2006-02
【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/TC217
【标准类型】:()
【标准水平】:()
【中文主题词】:化学分析和试验;化学试剂;化妆品;培养基;培养(生物);定义;试验(质量保证);保健;卫生学;调查;微生物分析;微生物学;微生物;准备;葡萄球菌属
【英文主题词】:Chemicalanalysisandtesting;Chemicalreagents;Cosmetics;Culturemedia;Cultures(biology);Definitions;Examination(qualityassurance);Healthprotection;Hygiene;Investigations;Microbiologicalanalysis;Microbiology;Microorganisms;Preparation;Staphylococcus
【摘要】:ThisInternationalStandardgivesgeneralguidelinesforthedetectionandidentificationofthespecifiedmicro-organismStaphylococcusaureusincosmeticproducts.Micro-organismsconsideredasspecifiedinthisInternationalStandardmightdifferfromcountrytocountryaccordingtonationalpracticesorregulations.Inordertoensureproductqualityandsafetyforconsumers,itisadvisabletoperformanappropriatemicrobiologicalriskanalysistodeterminethetypesofcosmeticproducttowhichthisInternationalStandardisapplicable.Productsconsideredtopresentalowmicrobiologicalriskincludethosewithlowwateractivity,hydro-alcoholicproducts,extremepHvalues,etc.ThemethoddescribedinthisInternationalStandardisbasedonthedetectionofStaphylococcusaureusinanon-selectiveliquidmedium(enrichmentbroth),followedbyisolationonaselectiveagarmedium.Othermethodsmaybeappropriatedependentonthelevelofdetectionrequired.NOTEForthedetectionofStaphylococcusaureus,subculturescanbeperformedonnon-selectiveculturemediafollowedbysuitableidentificationsteps(e.g.usingidentificationkits).Becauseofthelargevarietyofcosmeticproductswithinthisfieldofapplication,thismethodmaynotbeappropriateforsomeproductsineverydetail(e.g.certainwaterimmiscibleproducts).OtherInternationalStandards(ISO18415l1°l)maybeappropriate.Othermethods(e.g.automated)maybesubstitutedforthetestspresentedhereprovidedthattheirequivalencehasbeendemonstratedorthemethodhasbeenotherwisevalidated.
【中国标准分类号】:Y42;C50
【国际标准分类号】:07_100_99;71_100_70
【页数】:15P;A4
【正文语种】:英语