ASTM_E_1995_-_12.pdf

Designation:E199512An American National StandardStandard Test Method forMeasurement of Smoke Obscuration Using a ConicalRadiant Source in a Single Closed Chamber,With the TestSpecimen Oriented Horizontally1This standard is issued under the fixed designation E1995;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This is a fire-test-response standard.1.2 This test method provides a means of measuring smokeobscuration resulting from subjecting essentially flat materials,products,or assemblies(including surface finishes),not ex-ceeding 25 mm 1 in.in thickness,in a horizontal orientation,exposed to specified levels of thermal irradiance,from aconical heater,in the presence of a pilot flame,in a singleclosed chamber.Optional testing modes exclude the pilotflame.1.3 The principal fire-test-response characteristic obtainedfrom this test method is the specific optical density of smokefrom the specimens tested,which is obtained as a function oftime,for a period of 10 min.1.4 An optional fire-test-response characteristic measurablewith this test method is the mass optical density(see AnnexA1),which is the specific optical density of smoke divided bythe mass lost by the specimens during the test.1.5 The fire-test-response characteristics obtained from thistest are specific to the specimen tested,in the form andthickness tested,and are not an inherent property of thematerial,product,or assembly.1.6 This test method does not provide information on thefire performance of the test specimens under fire conditionsother than those conditions specified in this test method.Forlimitations of this test method,see 5.5.1.7 Use the SI system of units in referee decisions;seeIEEE/ASTM SI-10.The inch-pound units given in brackets arefor information only.1.8 This test method is used to measure and describe theresponse of materials,products,or assemblies to heat andflame under controlled conditions,but does not by itselfincorporate all factors required for fire hazard or fire riskassessment of the materials,products,or assemblies underactual fire conditions.1.9 Fire testing of products and materials is inherentlyhazardous,and adequate safeguards for personnel and propertyshall be employed in conducting these tests.This test methodmay involve hazardous materials,operations,and equipment.See also 6.2.1.2,Section 7,and 11.7.2.1.10 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D2843 Test Method for Density of Smoke from the Burningor Decomposition of PlasticsD4100 Test Method for Gravimetric Determination ofSmoke Particulates from Combustion Of Plastic Materials(Withdrawn 1997)3D5424 Test Method for Smoke Obscuration of InsulatingMaterials Contained in Electrical or Optical Fiber CablesWhen Burning in a Vertical Cable Tray ConfigurationE84 Test Method for Surface Burning Characteristics ofBuilding MaterialsE176 Terminology of Fire StandardsE603 Guide for Room Fire ExperimentsE662 Test Method for Specific Optical Density of SmokeGenerated by Solid MaterialsE906 Test Method for Heat and Visible Smoke ReleaseRates for Materials and Products Using a ThermopileMethodE1354 Test Method for Heat and Visible Smoke Release1This test method is under the jurisdiction of ASTM Committee E05 on FireStandards and is the direct responsibility of Subcommittee E05.21 on Smoke andCombustion Products.Current edition approved July 1,2012.Published August 2012.Originallyapproved in 1998.Last previous edition approved in 2008 as E1995 08.DOI:10.1520/E1995-12.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 Rates for Materials and Products Using an Oxygen Con-sumption CalorimeterE1474 Test Method for Determining the Heat Release Rateof Upholstered Furniture and Mattress Components orComposites Using a Bench Scale Oxygen ConsumptionCalorimeterE1537 Test Method for Fire Testing of Upholstered Furni-tureE1590 Test Method for Fire Testing of MattressesIEEE/ASTM SI-10 Practice for Use of the InternationalSystem of Units(SI):The Modernized Metric System2.2 ISO Standards:4ISO Guide 52Glossary of Fire Terms and DefinitionsISO 3261 Fire TestsVocabularyISO 5659-2 Determination of Spec