1、Designation:C20915Standard Test Methods forCellulosic Fiber Insulating Board1This standard is issued under the fixed designation C209;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 i
2、ndicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope1.1 These test methods cover those insulation products inspecified Specification
3、C208.The requirements for the prod-ucts physical properties are specified in Specification C208.The methods for the general insulation products physicalproperties are given as follows:SectionThickness7Size of Finished Board8Thermal Conductivity9Transverse Strength10Deflection at Specified Minimum Lo
4、ad11Tensile Strength Parallel to Surface12Tensile Strength Perpendicular to Surface13Water Absorption14Linear Expansion15Water Vapor Transmission16Flame Spread Index17Moisture Content and Density18Compressive Strength191.2 Reference is provided to an established source fornomenclature and definition
5、s.1.3 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.1.4 Several of t
6、he test methods contained in this documentare referenced by material specifications other than cellulosicfiber insulating board.These include mineral fiber,perlite,polyisocyanurate,polystyrene and phenolic materials.2.Referenced Documents2.1 ASTM Standards:2C165 Test Method for Measuring Compressive
7、 Properties ofThermal InsulationsC168 Terminology Relating to Thermal InsulationC177 Test Method for Steady-State Heat Flux Measure-ments and Thermal Transmission Properties by Means ofthe Guarded-Hot-Plate ApparatusC208 Specification for Cellulosic Fiber Insulating BoardC518 Test Method for Steady-
8、State Thermal TransmissionProperties by Means of the Heat Flow Meter ApparatusC870 Practice for Conditioning of Thermal Insulating Ma-terialsC1045 Practice for Calculating Thermal Transmission Prop-erties Under Steady-State ConditionsC1114 Test Method for Steady-State Thermal TransmissionProperties
9、by Means of the Thin-Heater ApparatusD1037 Test Methods for Evaluating Properties of Wood-Base Fiber and Particle Panel MaterialsD1554 Terminology Relating to Wood-Base Fiber and Par-ticle Panel MaterialsE84 Test Method for Surface Burning Characteristics ofBuilding MaterialsE96/E96M Test Methods fo
10、r Water Vapor Transmission ofMaterialsE177 Practice for Use of the Terms Precision and Bias inASTM Test MethodsE691 Practice for Conducting an Interlaboratory Study toDetermine the Precision of a Test Method3.Terminology3.1 DefinitionsThe definitions of terms used in thesemethods shall be in accorda
11、nce with Definitions D1554 andTerminology C168.3.2 cellulosic fiber insulating boarda fibrous-felted,ho-mogeneous panel made from ligno-cellulosic fibers(usuallywood)and having a density of less than 31 lb/ft3(497 kg/m3)but more than 10 lb/ft3(160 kg/m3).3.2.1 DiscussionCellulosic fiber insulating b
12、oard.It ischaracterized by an integral bond that is produced by interfelt-ing of the fibers,but which has not been consolidated underheat and pressure as a separate stage in manufacture.Othermaterials may be added during manufacture to improve certainproperties.3.3 Definitions of Terms Specific to T
13、his Standard:3.3.1 boardrefers to the material as received.1These test methods are under the jurisdiction of ASTM Committee C16 onThermal Insulation and are the direct responsibility of Subcommittee C16.32 onMechanical Properties.Current edition approved Oct.1,2015.Published October 2015.Originallya
14、pproved in 1946.Last previous edition approved in 2012 as C209 12.DOI:10.1520/C0209-15.2For 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 pag
15、e onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 3.3.2 samplerefers to the 36 by 48-in.(0.9 by 1.2-m)piececut from a board.3.3.3 test specimenrefers to the test piece cut from asample unless otherwise specified in the
16、test method.3.3.4 sorptiona general term in physical chemistry used todescribe the combined processes of:(1)absorptionrefers to the taking up of matter in bulk byother matter,for example,the penetration of substances intothe bulk of another solid or liquid.(2)adsorptionrefers to surface retention or adhesion ofan extremely thin layer of molecules to the surfaces of solids orliquids with which they are in contact.4.Significance and Use4.1 The test methods contained in this document are in-tended
