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【英文标准名称】:StandardTestMethodforDensityofSmokefromtheBurningorDecompositionofPlastics
【原文标准名称】:塑料燃烧或分解生烟的密度的标准试验方法
【标准号】:ASTMD2843-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:
【英文主题词】:burning;decomposition;plastics;smoke;smokedensity;smokedevelopment;Burningcharacteristics--plastics;Decomposition;Density--plastics;Smokedensity
【摘要】:Testsmadeonamaterialunderconditionshereinprescribedareofconsiderablevalueincomparingtherelativesmokeobscurationcharacteristicsofplastics.Thistestmethodservestodeterminetheextenttowhichplasticmaterialsarelikelytosmokeunderconditionsofactiveburninganddecompositioninthepresenceofflame.Note28212;Thevisualandinstrumentalobservationsfromthistestcomparewellwiththevisualobservationsofthesmokegeneratedbyplasticmaterialswhenaddedtoafreelyburninglargeoutdoorfire.Theusefulnessofthistestprocedureisinitsabilitytomeasuretheamountofsmokeobscurationproducedinasimple,direct,andmeaningfulmannerunderthespecifiedconditions.Thedegreeofobscurationofvisionbysmokegeneratedbycombustiblesisknowntobeaffectedbychangesinquantityandformofmaterial,humidity,draft,temperature,andoxygensupply.1.1Thisfire-test-responsetestmethodcoversalaboratoryprocedureformeasuringandobservingtherelativeamountsofsmokeobscurationproducedbytheburningordecompositionofplastics.Itisintendedtobeusedformeasuringthesmoke-producingcharacteristicsofplasticsundercontrolledconditionsofcombustionordecomposition.Correlationwithotherfireconditionsisnotimplied.Themeasurementsaremadeintermsofthelossoflighttransmissionthroughacollectedvolumeofsmokeproducedundercontrolled,standardizedconditions.Theapparatusisconstructedsothattheflameandsmokeisobservableduringthetest.1.2Duringthecourseofcombustion,gasesorvapors,orboth,areevolvedthatarepotentiallyhazardoustopersonnel.Adequateprecautionsshallbetakentoprotecttheoperator.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationpurposesonly.1.4Thisstandardisusedtomeasureanddescribetheresponseofmaterials,products,orassembliestoheatandflameundercontrolledconditions,butdoesnotbyitselfincorporateallfactorsrequiredforfirehazardorfireriskassessmentofthematerials,products,orassembliesunderactualfireconditions.1.5Firetestingisinherentlyhazardous.Adequatesafeguardsforpersonnelandpropertyshallbeemployedinconductingthesetests.Specificsafetywarningstatementsaregivenin1.2and9.11.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;ThereisnoknownISOequivalenttothisstandard.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:10P.;A4
【正文语种】:英语