ASTM D7309-2007a 用微燃烧量热仪测定塑料和其他固体材料的易燃特性用标准试验方法

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【英文标准名称】:StandardTestMethodforDeterminingFlammabilityCharacteristicsofPlasticsandOtherSolidMaterialsUsingMicroscaleCombustionCalorimetry
【原文标准名称】:用微燃烧量热仪测定塑料和其他固体材料的易燃特性用标准试验方法
【标准号】:ASTMD7309-2007a
【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】:D20.30
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:事故预防;建筑材料;燃烧特性;量热法;燃烧;测定;灾难控制;防火;易燃性;塑料;耐火性;固体;测试
【英文主题词】:calorimetry;carbondioxide;combustion;controlledheating;heatrelease;heatreleaserate;heatreleasecapacity;oxidativethermaldecomposition;oxygenconsumptioncalorimetry;pyrolysis;thermalanalysis;thermaldecomposition
【摘要】:1.1Thistestmethod,whichissimilartothermalanalysistechniques,establishesaprocedurefordeterminingflammabilitycharacteristicsofcombustiblematerialssuchasplastics.1.2Thetestisconductedinalaboratoryenvironmentusingcontrolledheatingofmilligramspecimensandcompletethermaloxidationofthespecimengases.1.3Specimensofknownmassarethermallydecomposedinanoxygen-free(anaerobic)oroxidizing(aerobic)environmentataconstantheatingratebetween0.2and2K/s.1.4Theheatreleasedbythespecimenisdeterminedfromthemassofoxygenconsumedtocompletelyoxidize(combust)thespecimengases.1.5Therateofheatreleasedbycombustionofthespecimengasesproducedduringcontrolledthermalorthermoxidativedecompositionofthespecimeniscomputedfromtherateofoxygenconsumption.1.6Thespecimentemperaturesoverwhichcombustionheatisreleasedaremeasured.1.7Themassofspecimenremainingafterthetestismeasuredandusedtocomputetheresidualmassfraction.1.8Thespecimenshallbeamaterialorcompositematerialinanyform(fiber,film,powder,pellet,droplet).Thistestmethodhasbeendevelopedtofacilitatematerialdevelopmentandresearch.1.9Thisstandardisusedtomeasureanddescribetheresponseofmaterials,products,orassembliestoheatandflameundercontrolledconditions,butdoesnotbyitselfincorporateallfactorsrequiredforfirehazardorfireriskassessmentofthematerials,products,orassembliesunderactualfireconditions.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note1ThereisnoISOequivalenttothistestmethod.
【中国标准分类号】:G31
【国际标准分类号】:13_220_50;83_080_01
【页数】:8P.;A4
【正文语种】:


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MIL-W-46374G, MILITARY SPECIFICATION: WATCH, WRIST: GENERAL PURPOSE (14 OCT 1991) [S/S BY MIL-PRF-46374G]., This specification covers mechanical and mechanical/quartz wrist watches intended for general use.【英文标准名称】:StandardTestMethodforFreeFormaldehydeContentofAminoResins
【原文标准名称】:氨基树脂中游离甲醛含量的测试方法
【标准号】:ASTMD1979-1997
【标准状态】:作废
【国别】:
【发布日期】:1997
【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】:D01.33
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验方法;人造树脂;甲醛;氨基化合物;游离的
【英文主题词】:aminoresins;formaldehyde;sodiumsulfite;NumberCode83.080.10(Thermosettingmaterials)
【摘要】:1.1Thistestmethodcoversthedeterminationoffreeformaldehydeinaminoresinsandtheiraqueousandnonaqueoussolutions.Aminoresin-freeformaldehydelevelsfromabout0.02to5.0%canbedeterminedbythistestmethod.Theapplicabilityofthis
【中国标准分类号】:G35
【国际标准分类号】:83_080_10
【页数】:2P.;A4
【正文语种】: