1、Designation: C 209 07ae1Standard Test Methods forCellulosic Fiber Insulating Board1This standard is issued under the fixed designation C 209; 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 pa
2、rentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.e1NOTEFootnote 4 was editorially updated in August 2007.1. Scope1.1 These tes
3、t methods cover those insulation products inspecified Specification C 208 that are not singularly specifiedelsewhere as insulating formboard (see Specification C 532)and nail-base sheathing (see Specification D 2277). The re-quirements for the products physical properties are specifiedin Specificati
4、on C 208. The methods for the general insulationproducts physical properties are given as follows:SectionThickness 7Size of Finished Board 8Thermal Conductivity 9Transverse Strength 10Deflection at Specified Minimum Load 11Tensile Strength Parallel to Surface 12Tensile Strength Perpendicular to Surf
5、ace 13Water Absorption 14Linear Expansion 15Water Vapor Transmission 16Flame Spread Index 17Moisture Content and Density 181.2 Reference is provided to an established source fornomenclature and definitions.1.3 This standard does not purport to address all of thesafety concerns, if any, associated wi
6、th 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 the test methods contained in this documentare referenced by material specifications other tha
7、n cellulosicfiber insulating board. These include mineral fiber, perlite,polyisocyanurate, polystyrene and phenolic materials.2. Referenced Documents2.1 ASTM Standards:2C 168 Terminology Relating to Thermal InsulationC 177 Test Method for Steady-State Heat Flux Measure-ments and Thermal Transmission
8、 Properties by Means ofthe Guarded-Hot-Plate ApparatusC 208 Specification for Cellulosic Fiber Insulating BoardC 518 Test Method for Steady-State Thermal TransmissionProperties by Means of the Heat Flow Meter ApparatusC 532 Specification for Structural Insulating Formboard(Cellulosic Fiber)3C 870 Pr
9、actice for Conditioning of Thermal Insulating Ma-terialsC 1045 Practice for Calculating Thermal TransmissionProperties Under Steady-State ConditionsC 1114 Test Method for Steady-State Thermal TransmissionProperties by Means of the Thin-Heater ApparatusD 1037 Test Methods for Evaluating Properties of
10、 Wood-Base Fiber and Particle Panel MaterialsD 1554 Terminology Relating to Wood-Base Fiber andParticle Panel MaterialsD 2277 Specification for Fiberboard Nai-Base Sheathing3E84 Test Method for Surface Burning Characteristics ofBuilding Materials1These test methods are under the jurisdiction of ASTM
11、 Committee C16 onThermal Insulation and are the direct responsibility of Subcommittee C16.32 onMechanical Properties.Current edition approved May 1, 2007. Published June 2007. Originallyapproved in 1946. Last previous edition approved in 2007 as C 209 07.2For referenced ASTM standards, visit the AST
12、M 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.3Withdrawn.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-
13、2959, United States.E 96/E 96M Test Methods for Water Vapor Transmission ofMaterials3. Terminology3.1 DefinitionsThe definitions of terms used in thesemethods shall be in accordance with Definitions D 1554 andTerminology C 168.3.2 cellulosic fiber insulating boarda fibrous-felted, ho-mogeneous panel
14、 made from ligno-cellulosic fibers (usuallywood or cane) and having a density of less than 31 lb/ft3(497kg/m3) but more than 10 lb/ft3(160 kg/m3).3.2.1 DiscussionCellulosic fiber insulating board. It ischaracterized by an integral bond that is produced by interfelt-ing of the fibers, but which has n
15、ot 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 This Standard:3.3.1 boardrefers to the material as received.3.3.2 samplerefers to the 36 by 48-in. (0.9 by
16、1.2-m)piece cut from a board.3.3.3 test specimenrefers to the test piece cut from asample unless otherwise specified in the test method.3.3.4 sorptiona general term in physical chemistry usedto describe the combined processes of:(1) absorptionrefers to the taking up of matter in bulk byother matter,
17、 for example, the penetration of substances intothe bulk of another solid or liquid.(2) adsorptionrefers to surface retention or adhesion of anextremely 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
18、 this document are in-tended for cellulosic fiber insulating board as described inSpecification C 208. These test methods examine mechanical,physical and thermal properties, properties related to waterabsorption and water vapor exposure, and flammability relatedproperties.4.2 The results of these te
19、sts may be used to describe theperformance of insulating board and are suitable for use inmaterial specifications.NOTE 1Committee C-16 is in the process of splitting this documentinto discrete test methods categorized by the nature of the test methods.5. Sampling5.1 Selection of BoardsRefer to Speci
20、fication C 208,Section 9 on Sampling.5.2 Size of Sample From each board a sample, 36 by 48in. (0.9 by 1.2 m) shall be cut. When possible, the largerdimension of the sample shall be crosswise of the longerdimension of the board as it is usually obtained. When theindividual boards are less than 36 by
21、48 in. (0.9 by 1.2 m) insize, enough material shall be taken to give the equivalent area.6. Test Conditions6.1 Preconditioning Tests shall be made under prevailingatmospheric conditions except in the case of dispute. Tests thenshall be made in specimens conditioned until equilibrium isobtained in ac
22、cordance with Practice C 870.7. Thickness7.1 ApparatusAn instrument such as a dial gage capableof measuring a 36 by 48 in. (0.9 by 12 m) sample, on which thecontacting surfaces are flat and have a minimum diameter of12in. (13 mm) shall be used. Pressure on the contacting surfacesshall not be greater
23、 than 1 psi (6.9 kPa) nor less than 0.25 psi(1.7 kPa), and the instrument shall read to an accuracy of 0.001in. (0.03 mm).7.2 ProcedureMeasure the thickness at five points, neareach corner and near the center, to an accuracy of 60.001 in.(60.02 mm). Take care that the sample is not deformed whenthe
24、thickness measurements are taken.7.3 Calculation and ReportReport the average of the fivemeasurements as the average thickness of the sample. Reportas the average thickness of the sample, the average thickness ofthe lot, report thickness tolerance, as follows:Thickness tolerance 5 h12 h2!/h1(1)where
25、:h1= average thickness of lot, andh2= average thickness of sample.8. Size of Finished Board8.1 ProcedureObtain the average width of the finishedboard by measuring the width at each end and at the middle toan accuracy of 60.3 % or116 in. (2 mm), whichever is smaller,and averaging these readings. Obta
26、in the average length of thefinished board in a similar manner.9. Thermal Conductivity9.1 ProcedureDetermine thermal conductivity in accor-dance with Test Method C 177, or in accordance with TestMethods C 518, C 1045 or C 1114. Test two specimens fromone sample from one board.10. Transverse Strength
27、10.1 Apparatus:10.1.1 Testing Machine Any standard mechanical or hy-draulic testing machine capable of applying and measuring therequired load within an accuracy of 62 % may be used.10.1.2 Bearing Edges The bearing edges shall be roundedto a radius of38 in. (10 mm) to prevent injury to the specimen.
28、The bearing edges shall be straight and shall maintain fullcontact with the specimen throughout the test.10.2 Test Specimen The specimen shall be 3 by 15 in. (76by 381 mm) and conditioned in accordance with 6.1. Threespecimens from the long dimension of each sample from eachboard and three at right
29、angles shall be tested. If the sample hasa dimension less than 15 in. (381 mm), test only in thatdirection for which a 15 in. (381 mm) specimen can beobtained.10.3 ProcedureDetermine the transverse load by placingthe specimen on horizontal bearing edges 12 in. (305 mm)apart and applying the load at
30、midspan on a bearing parallel tothe end supports, so that the head of the testing machines,C 209 07ae12through which the load is applied, moves at a rate of 6 6 2in./min (152 6 51 mm/min) until failure occurs.10.4 Calculation and ReportReport as the transverse loadfor specimen, the maximum load reac
31、hed during the test.Report as the average transverse load in pounds-force (orNewtons) in each direction for a sample, the average of threespecimens taken from that direction. Report as the totalaverage transverse load in each direction, the average of allsamples in that direction. Calculate modulus
32、of rupture valuesin pounds-force per square inch (or megapascals) as follows:MOR 5 6P/t2(2)where:MOR = Modulus of rupture, psi (MPa),P = Transverse load, lbf (N), andt = thickness, in. (mm).10.5 Precision and BiasSee Section 19.11. Deflection at Specific Minimum Load11.1 ProcedureDetermine, to the n
33、earest 0.01 in., (0.3mm) the deflection at the corner of each specimen subjected tothe minimum transverse load, by means of a suitable measur-ing device such as a dial gage under the specimen, a steel rulealongside the specimen, or measurement of the crossheadmovement.11.2 Calculation and ReportRepo
34、rt as the average deflec-tion in each direction for a sample, the average of threespecimens taken from that direction. Report as the totalaverage deflection in each direction, the average of all samplesin that direction.11.3 Precision and BiasSee Section 19.12. Tensile Strength Parallel to Surface12
35、.1 ApparatusAny standard mechanical or hydraulictesting machine capable of applying and measuring the re-quired load within an accuracy of 62 % may be used.12.2 Test Specimen Specimens shall be prepared in ac-cordance with Fig. 1, and conditioned in accordance with 6.1.Three specimens from the long
36、direction of each sample fromeach board and three at right angles thereto shall be tested.12.3 ProcedureSet the testing machine for a rate ofseparation of the jaws of 2 614 in./min (51 6 6 mm/min).Clamp the specimens in the jaws at a minimum distance of 6in. (152 mm) apart. Specimens breaking within
37、12 in. (13 mm)of the jaws shall be disregarded. Measure the specimens, afterbreaking, for width and thickness at the break to the nearest0.01 in. (0.3 mm).12.4 Calculation and ReportReport as the average tensilestrength in each direction for a sample, the average, inpounds-force per square inch (or
38、kilopascals), of the threespecimens taken from that direction. Report as the totalaverage value in each direction, the average of all samples inthat direction.12.5 Precision and BiasSee Section 19.13. Tensile Strength Perpendicular to Surface13.1 ApparatusThe apparatus shall be as shown in Fig. 2and
39、 shall consist of two blocks 2 by 2 by 114 in. (51 by 51 by32 mm) supplied with hooks in the center as shown in Fig. 2.Any standard mechanical or hydraulic testing machine capableof applying and measuring the required load within an accu-racy of 62 % may be used.13.2 Test Specimens The specimen shal
40、l be cut to matchthe lateral dimensions of the test block in 13.1 and conditionedin accordance with 6.1. Two specimens shall be tested, oneeach from the sample from two boards.13.3 ProcedureCement the two surfaces of the specimensto the blocks with a suitable adhesive. After the adhesive hasset a su
41、fficient length of time, apply a load at the rate of 2 614 in./min (51 6 6 mm/min) at the hooks until separationwithin the block.13.4 Calculation and ReportReport the tensile strengthperpendicular to the surfaces as the average of the loads inSI Equivalentsin. mm in. mm10632541527621125138FIG. 1 Spe
42、cimen for Determination of Tensile Strength Parallel toSurfaceFIG. 2 Apparatus for Determination of Tensile StrengthPerpendicular to SurfaceC 209 07ae13pounds-force per square foot (or kilopascals) at the time offailure of the test specimens. Note the location of the line offailure.13.5 Precision an
43、d BiasSee Section 19.14. Water Absorption14.1 PanA pan or vessel not less than 15 by 15 in. (381by 381 mm) and of the required depth.14.1.1 Conditioning Oven or RoomA conditioning ovenor room that can be regulated to a temperature of 73.8 6 4F(23 6 2C) and a relative humidity of 506 5%.14.1.2 Thermo
44、meter An ordinary thermometer graduatedin Fahrenheit or Celsuis degrees.14.2 Test Specimen The specimen shall be 12 by 12 in.(305 by 305 mm) with all four edges trimmed square. Threespecimens shall be tested, one each from the sample from threeboards.14.3 ProcedureCondition the specimen until the pr
45、acticalconstant weight is obtained at a temperature of 73.4 6 4F (236 2C) and a relative humidity of 50 6 5 %. Measure thethickness of the specimen with reasonable accuracy andcalculate the volume therefrom. Then carefully weigh thespecimen and submerge it horizontally under 1 in. (25 mm) offresh ta
46、p water, maintained at a temperature of 73.4 6 4F (236 2C). After2hofsubmersion, place the specimen on end todrain for 10 min; at the end of this time remove the excesssurface water by hand with a blotting paper or paper towel, andimmediately weigh the specimen. If a 24-h water sorption isrequired,
47、conduct it in accordance with the appropriate sectionsof Test Methods D 1037.14.4 Calculation and ReportCalculate and report theamount of water absorbed from the increase in weight of thespecimen during the submersion, and the water sorption shallbe expressed as the percentage by volume based on the
48、 volumeafter conditioning. The specific gravity of the water shall beassumed to be 1.00 for this purpose.14.5 Precision and BiasSee Section 19.15. Linear Expansion15.1 ProcedureDetermine linear expansion due to changein moisture content in accordance with the appropriate sectionsof Test Methods D 10
49、37, Section 107. Test one specimen fromthe long dimension of each sample from each board and one atright angles thereto.16. Water Vapor Transmission16.1 ProcedureDetermine water vapor transmission inaccordance with Test Methods E 96, using the desiccantmethod. Test three specimens, one each from the sample fromthree boards.17. Flame Spread Index17.1 ProcedureDetermine flame spread index in accor-dance with Test Method E84.18. Moisture Content and Density18.1 ScopeThis method covers determination of the ab-sorption of
