1、Designation: C209 12Standard 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 parenth
2、eses indicates 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 Department of Defense.1. Scope1.1 These test methods cover those insulation products inspecified Specific
3、ation 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:SectionThickness 7Size of Finished Board 8Thermal Conductivity 9Transverse Strength 10Deflection at Specified
4、 Minimum Load 11Tensile Strength Parallel to Surface 12Tensile Strength Perpendicular to Surface 13Water Absorption 14Linear Expansion 15Water Vapor Transmission 16Flame Spread Index 17Moisture Content and Density 18Compressive Strength 191.2 Reference is provided to an established source fornomencl
5、ature and definitions.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
6、to use.1.4 Several of the 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 Metho
7、d for Measuring Compressive 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 BoardC
8、518 Test Method for Steady-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 Ther
9、mal TransmissionProperties 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 Materi
10、alsE96/E96M Test Methods for Water Vapor Transmission ofMaterials3. Terminology3.1 DefinitionsThe definitions of terms used in thesemethods shall be in accordance with Definitions D1554 andTerminology C168.3.2 cellulosic fiber insulating boarda fibrous-felted, ho-mogeneous panel made from ligno-cell
11、ulosic 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 board. It ischaracterized by an integral bond that is produced by interfelt-ing of the fibers, but which has not been consolidated underhe
12、at 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 1.2-m) piececut from a board
13、.3.3.3 test specimenrefers to the test piece cut from asample unless otherwise specified in the test method.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 appro
14、ved Oct. 15, 2012. Published January 2013. Originallyapproved in 1946. Last previous edition approved in 2007 as C209 07a1. DOI:10.1520/C0209-12.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards
15、volume information, refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States13.3.4 sorptiona general term in physical chemistry used todescribe the combined processes of:(1) absor
16、ptionrefers 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 of anextremely thin layer of molecules to the surfaces of solids orliquids with which they are in co
17、ntact.4. Significance and Use4.1 The test methods contained in this document are in-tended for cellulosic fiber insulating board as described inSpecification C208. These test methods examine mechanical,physical and thermal properties, properties related to waterabsorption and water vapor exposure, a
18、nd flammability relatedproperties.4.2 The results of these tests 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
19、test methods.5. Sampling5.1 Selection of BoardsRefer to Specification C208, Sec-tion 9 on Sampling.5.2 Size of Sample From each board a sample, 36 by 48 in.(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 us
20、ually obtained. When theindividual boards are less than 36 by 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 ma
21、de on specimens conditioned until equilibrium isobtained in accordance with Practice C870.7. 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
22、used. Pressure on the contacting surfacesshall not be greater 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.(
23、60.02 mm). Take care that the sample is not deformed whenthe 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 t
24、olerance, as follows:Thickness tolerance 5h12 h2!/h1(1)where: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
25、mm), whichever is smaller,and averaging these readings. Obtain the average length of thefinished board in a similar manner.9. Thermal Conductivity9.1 ProcedureDetermine thermal conductivity in accor-dance with Test Method C177, or in accordance with TestMethods C518, C1045 or C1114. Test two specime
26、ns from onesample from one board.10. Transverse Strength10.1 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 ra
27、dius of38 in. (10 mm) to prevent injury to the specimen.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 dim
28、ension of each sample from eachboard and three at right 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 bear
29、ing edges 12 in. (305 mm)apart and applying the load at midspan on a bearing parallel tothe end supports, so that the head of the testing machines,through 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 transv
30、erse loadfor specimen, the maximum load reached 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 alls
31、amples in that direction. Calculate modulus 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 20.11. Deflection at Specific M
32、inimum Load11.1 ProcedureDetermine, to the nearest 0.01 in., (0.3mm) the deflection at the corner of each specimen subjected toC209 122the 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 t
33、he crossheadmovement.11.2 Calculation and ReportReport 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 S
34、ection 20.12. Tensile Strength Parallel to Surface12.1 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 accor-dance with Fig. 1, and conditioned i
35、n accordance with 6.1.Three specimens from the long 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 distan
36、ce of 6in. (152 mm) apart. Specimens breaking within12 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 samp
37、le, the average, inpounds-force per square inch (or 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 20.13. Tensile Strength Perpendicular to Surface13.1 A
38、pparatusThe apparatus shall be as shown in Fig. 2and 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
39、 % may be used.13.2 Test Specimens The specimen shall 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
40、 a suitable adhesive. After the adhesive hasset a sufficient 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 inpound
41、s-force per square foot (or kilopascals) at the time offailure of the test specimens. Note the location of the line offailure.13.5 Precision and BiasSee Section 20.14. Water Absorption14.1 PanApan or vessel not less than 15 by 15 in. (381 by381 mm) and of the required depth.14.1.1 Conditioning Oven
42、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 Thermometer 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 edg
43、es trimmed square. Threespecimens shall be tested, one each from the sample from threeboards.SI Equivalentsin. mm in. mm10632541527621125138FIG. 1 Specimen for Determination of Tensile Strength Parallel toSurfaceFIG. 2 Apparatus for Determination of Tensile Strength Perpen-dicular to SurfaceC209 123
44、14.3 ProcedureCondition the specimen until the practicalconstant 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 submer
45、ge it horizontally under 1 in. (25 mm) offresh tap 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 th
46、e specimen. If a 24-h water sorption isrequired, conduct it in accordance with the appropriate sectionsof Test Methods D1037.14.4 Calculation and ReportCalculate and report theamount of water absorbed from the increase in weight of thespecimen during the submersion, and the water sorption shallbe ex
47、pressed as the percentage by volume based on the volumeafter conditioning. The specific gravity of the water shall beassumed to be 1.00 for this purpose.14.5 Precision and BiasSee Section 20.15. Linear Expansion15.1 ProcedureDetermine linear expansion due to changein moisture content in accordance w
48、ith the appropriate sectionsof Test Methods D1037, 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 E96/E96M, using the desic
49、cantmethod. 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 moisture content and density at time of test,because of their relation to the strength properties. Values ofdensity calculated from the volume and weight are satisfactoryfor these materials. For normal purposes, the moisture contentand density of
