1、Designation: C209 12C209 15Standard 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
2、parentheses 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 U.S. Department of Defense.1. Scope1.1 These test methods cover those insulation products in speci
3、fied Specification C208. The requirements for the productsphysical properties are specified in Specification C208. The methods for the general insulation products physical properties aregiven as follows:SectionThickness 7Size of Finished Board 8Thermal Conductivity 9Transverse Strength 10Deflection
4、at Specified 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 sourc
5、e for nomenclature and definitions.1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibilityof the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatorylimitat
6、ions prior to use.1.4 Several of the test methods contained in this document are referenced by material specifications other than cellulosic fiberinsulating board. These include mineral fiber, perlite, polyisocyanurate, polystyrene and phenolic materials.2. Referenced Documents2.1 ASTM Standards:2C1
7、65 Test Method for Measuring Compressive Properties of Thermal InsulationsC168 Terminology Relating to Thermal InsulationC177 Test Method for Steady-State Heat Flux Measurements and Thermal Transmission Properties by Means of theGuarded-Hot-Plate ApparatusC208 Specification for Cellulosic Fiber Insu
8、lating BoardC518 Test Method for Steady-State Thermal Transmission Properties by Means of the Heat Flow Meter ApparatusC870 Practice for Conditioning of Thermal Insulating MaterialsC1045 Practice for Calculating Thermal Transmission Properties Under Steady-State ConditionsC1114 Test Method for Stead
9、y-State Thermal Transmission Properties 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 Particle Panel MaterialsE84 Test Method for Surface Burning Characteristics of Bu
10、ilding MaterialsE96/E96M Test Methods for Water Vapor Transmission of Materials1 These test methods are under the jurisdiction of ASTM Committee C16 on Thermal Insulation and are the direct responsibility of Subcommittee C16.32 on MechanicalProperties.Current edition approved Oct. 15, 2012Oct. 1, 20
11、15. Published January 2013October 2015. Originally approved in 1946. Last previous edition approved in 20072012 asC209 07aC209 12.1. DOI: 10.1520/C0209-12.10.1520/C0209-15.2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Ann
12、ual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be
13、 technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.Copyright ASTM International, 100 Barr Harbor Drive
14、, PO Box C700, West Conshohocken, PA 19428-2959. United States1E177 Practice for Use of the Terms Precision and Bias in ASTM Test MethodsE691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method3. Terminology3.1 DefinitionsThe definitions of terms used in thes
15、e methods shall be in accordance with Definitions D1554 and TerminologyC168.3.2 cellulosic fiber insulating boarda fibrous-felted, homogeneous panel made from ligno-cellulosic fibers (usually wood )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 Disc
16、ussionCellulosic fiber insulating board. It is characterized by an integral bond that is produced by interfelting of the fibers, but whichhas not been consolidated under heat and pressure as a separate stage in manufacture. Other materials may be added duringmanufacture to improve certain properties
17、.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) piece cut from a board.3.3.3 test specimenrefers to the test piece cut from a sample unless otherwise specified in the test method.3.3.4 sorptiona g
18、eneral term in physical chemistry used to describe the combined processes of:(1) absorptionrefers to the taking up of matter in bulk by other matter, for example, the penetration of substances into thebulk of another solid or liquid.(1) absorptionrefers to the taking up of matter in bulk by other ma
19、tter, for example, the penetration of substances into thebulk of another solid or liquid.(2) adsorptionrefers to surface retention or adhesion of an extremely thin layer of molecules to the surfaces of solids orliquids with which they are in contact.(2) adsorptionrefers to surface retention or adhes
20、ion of an 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 intended for cellulosic fiber insulating board as described in SpecificationC208. These test methods examine mecha
21、nical, physical and thermal properties, properties related to water absorption and watervapor exposure, and flammability related properties.4.2 The results of these tests may be used are suitable to describe the performance of insulating board and are also suitable foruse in material specifications.
22、NOTE 1Committee C-16 is in the process of splitting this document into discrete test methods categorized by the nature of the test methods.5. Sampling5.1 Selection of BoardsRefer to Specification C208, Section 9 on Sampling.5.2 Size of SampleFrom each board a sample, 36 by 48 in. (0.9 by 1.2 m) shal
23、l be cut. When possible, the larger dimensionof the sample shall be crosswise of the longer dimension of the board as it is usually obtained. When the individual boards areless than 36 by 48 in. (0.9 by 1.2 m) in size, enough material shall be taken to give the equivalent area.6. Test Conditions6.1
24、PreconditioningTests shall be made under prevailing atmospheric conditions except in the case of dispute. Tests then shallbe made on specimens conditioned until equilibrium is obtained in accordance with Practice C870.7. Thickness7.1 ApparatusAn instrument such as a dial gage capable of measuring a
25、36 by 48 in. (0.9 by 12 m) sample, on which thecontacting surfaces are flat and have a minimum diameter of 12 in. (13 mm) shall be used. Pressure on the contacting surfaces shallnot 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 0.00
26、1 in. (0.03mm).7.2 ProcedureMeasure the thickness at five points, near each corner and near the center, to an accuracy of 60.001 in. (60.02mm). Take care that the sample is not deformed when the thickness measurements are taken.7.3 Calculation and ReportReport the average of the five measurements as
27、 the average thickness of the sample. Report as theaverage thickness of the sample, the average thickness of the lot, report thickness tolerance, as follows:C209 152Thickness tolerance5h12h 2!/h1 (1)where:h1 = average thickness of lot, andh2 = average thickness of sample.8. Size of Finished Board8.1
28、 ProcedureObtain the average width of the finished board by measuring the width at each end and at the middle to anaccuracy of 60.3 % or 16 in. (2 mm), whichever is smaller, and averaging these readings. Obtain the average length of the finishedboard in a similar manner.9. Thermal Conductivity9.1 Pr
29、ocedureDetermine thermal conductivity in accordance with Test Method C177, or in accordance with Test MethodsC518, C1045 or C1114. Test two specimens from one sample from one board.10. Transverse Strength10.1 Apparatus:10.1.1 Testing MachineAny standard mechanical or hydraulic testing machine capabl
30、e of applying and measuring the requiredload within an accuracy of 62 % may be used.is suitable for use.10.1.2 Bearing EdgesThe bearing edges shall be rounded to a radius of 38 in. (10 mm) to prevent injury to the specimen. Thebearing edges shall be straight and shall maintain full contact with the
31、specimen throughout the test.10.2 Test SpecimenThe specimen shall be 3 by 15 in. (76 by 381 mm) and conditioned in accordance with 6.1. Threespecimens from the long dimension of each sample from each board and three at right angles shall be tested. If the sample hasa dimension less than 15 in. (381
32、mm), test only in that direction for which a 15 in. (381 mm) specimen can be obtained.10.3 ProcedureDetermine the transverse load by placing the specimen on horizontal bearing edges 12 in. (305 mm) apart andapplying the load at midspan on a bearing parallel to the end supports, so that the head of t
33、he testing machines, through whichthe load is applied, moves at a rate of 6 6 2 in./min (152 6 51 mm/min) until failure occurs.10.4 Calculation and ReportReport as the transverse load for specimen, the maximum load reached during the test. Reportas the average transverse load in pounds-force (or New
34、tons) in each direction for a sample, the average of three specimens takenfrom that direction. Report as the total average transverse load in each direction, the average of all samples in that direction.Calculate modulus of rupture values in pounds-force per square inch (or megapascals) as follows:M
35、OR56P/t 2 (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 Minimum Load11.1 ProcedureDetermine, to the nearest 0.01 in.,in. (0.3 mm)mm), the deflection at the corner of each specimen
36、 subjectedto the minimum transverse load, by means of a suitable measuring device such as a dial gage under the specimen, a steel rulealongside the specimen, or measurement of the crosshead movement.11.2 Calculation and ReportReport as the average deflection in each direction for a sample, the avera
37、ge of three specimenstaken from that direction. Report as the total average deflection in each direction, the average of all samples in that direction.11.3 Precision and BiasSee Section 20.12. Tensile Strength Parallel to Surface12.1 ApparatusAny standard mechanical or hydraulic testing machine capa
38、ble of applying and measuring the required loadwithin an accuracy of 62 % may be used.is suitable for use.12.2 Test SpecimenSpecimens shall be prepared in accordance with Fig. 1, and conditioned in accordance with 6.1. Threespecimens from the long direction of each sample from each board and three a
39、t right angles thereto shall be tested.12.3 ProcedureSet the testing machine for a rate of separation of the jaws of 2 6 14 in./min (51 6 6 mm/min). Clamp thespecimens in the jaws at a minimum distance of 6 in. (152 mm) apart. Specimens breaking within 12 in. (13 mm) of the jaws shallbe disregarded.
40、 Measure the specimens, after breaking, for width and thickness at the break to the nearest 0.01 in. (0.3 mm).C209 15312.4 Calculation and ReportReport as the average tensile strength in each direction for a sample, the average, in pounds-forceper square inch (or kilopascals), of the three specimens
41、 taken from that direction. Report as the total average value in eachdirection, the average of all samples in that direction.12.5 Precision and BiasSee Section 20.13. Tensile Strength Perpendicular to Surface13.1 ApparatusThe apparatus shall be as shown in Fig. 2 and shall consist of two blocks 2 by
42、 2 by 114 in. (51 by 51 by 32mm) supplied with hooks in the center as shown in Fig. 2. Any standard mechanical or hydraulic testing machine capable ofapplying and measuring the required load within an accuracy of 62 % may be used.is suitable for use.13.2 Test SpecimensThe specimen shall be cut to ma
43、tch the lateral dimensions of the test block in 13.1 and conditioned inaccordance with 6.1. Two specimens shall be tested, one each from the sample from two boards.13.3 ProcedureCement the two surfaces of the specimens to the blocks with a suitable adhesive. After the adhesive has seta sufficient le
44、ngth of time, apply a load at the rate of 2 6 14 in./min (51 6 6 mm/min) at the hooks until separation within theblock.SI Equivalentsin. mm in. mm10632541527621125138FIG. 1 Specimen for Determination of Tensile Strength Parallel to SurfaceFIG. 2 Apparatus for Determination of Tensile StrengthPerpend
45、icular to SurfaceC209 15413.4 Calculation and ReportReport the tensile strength perpendicular to the surfaces as the average of the loads inpounds-force per square foot (or kilopascals) at the time of failure of the test specimens. Note the location of the line of failure.13.5 Precision and BiasSee
46、Section 20.14. Water Absorption14.1 PanA pan or vessel not less than 15 by 15 in. (381 by 381 mm) and of the required depth.14.1.1 Conditioning Oven or RoomA conditioning oven or room that can be regulated to a temperature of 73.8 6 4F (23 62C) and a relative humidity of 506 5 %.14.1.2 ThermometerAn
47、 ordinary thermometer graduated in Fahrenheit or Celsuis degrees.14.2 Test SpecimenThe specimen shall be 12 by 12 in. (305 by 305 mm) with all four edges trimmed square. Three specimensshall be tested, one each from the sample from three boards.14.3 ProcedureCondition the specimen until the practica
48、l constant weight is obtained at a temperature of 73.4 6 4F (23 62C) and a relative humidity of 50 6 5 %. Measure the thickness of the specimen with reasonable accuracy and calculate thevolume therefrom. Then carefully weigh the specimen and submerge it horizontally under 1 in. (25 mm) of fresh tap
49、water,maintained at a temperature of 73.4 6 4F (23 6 2C). After 2 h of submersion, place the specimen on end to drain for 10 min;at the end of this time remove the excess surface water by hand with a blotting paper or paper towel, and immediately weigh thespecimen. If a 24-h water sorption is required, conduct it in accordance with the appropriate sections of Test Methods D1037.14.4 Calculation and ReportCalculate and report the amount of water absorbed from the increase in weight of the specimenduring the submer
