1、Designation: C 1497 04Standard Specification forCellulosic Fiber Stabilized Thermal Insulation1This standard is issued under the fixed designation C 1497; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A
2、 number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers the composition and physicalproperties of spray-applied cellulosic fiber stabilized thermalinsulation appli
3、ed to open or closed ceiling spaces, regardlessof slope, where temperatures range from -49 to 194F (-45 to90C).1.2 Stabilized cellulosic fiber thermal insulation is producedby the addition of adhesive(s) to loose-fill cellulosic fiberinsulation. The adhesive(s) may be added to the insulation attime
4、of manufacture and, if necessary, activated by the additionof water when installed or the adhesive may be added to theinsulation at the time of installation.1.3 This is a material specification that is not intended todeal with methods of application that are supplied by themanufacturer.1.4 The value
5、s stated in inch-pound units are to be regardedas standard. The SI units given in parentheses are for informa-tion only.1.5 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-pr
6、iate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2C 167 Test Methods for Thickness and Density of Blanketor Batt Thermal InsulationsC 168 Terminology Relating to Thermal InsulationC 739 Specification fo
7、r Cellulosic Fiber Loose-Fill ThermalInsulationC 1149 Specification for Self-Supported Spray Applied Cel-lulosic Thermal InsulationC 1304 Test Method for Assessing the Odor Emission ofThermal Insulation MaterialsC 1338 Test Method for Determining Fungi Resistance ofInsulation Materials and FacingsE
8、970 Test Method for Critical Radiant Flux of ExposedAttic Floor Insulation Using a Radiant Heat Energy Source3. Terminology3.1 DefinitionsFor definitions of terms used in this speci-fication, see Terminology C 168.3.2 Definitions of Terms Specific to This Standard:3.2.1 shrinkagedecrease in thicknes
9、s that occurs from thetime of installation until the insulation achieves a stablemoisture content.3.2.2 stabilized cellulosea cellulosic insulation producttreated to resist, after drying, further settling of no more than5%.4. Materials and Manufacture4.1 The basic material shall be recycled cellulos
10、ic fibermade from selected paper or paperboard stock. Additives areintroduced to provide properties such as flame resistance,processing and handling characteristics. An adhesive is addedto the insulation product to resist long-term settling of theinsulation after installation and curing.4.2 The mate
11、rials are processed into a form suitable forinstallation by a pneumatic method.4.3 The adhesive may be added to the product at the time ofmanufacture or at the time of installation by means of a liquidspray.5. Physical and Chemical Properties5.1 DensityThe density of conditioned stabilized insula-ti
12、on in lb/ft3(kg/m3) shall be determined in accordance withSection 7.5.2 CorrosivenessThe loose-fill insulation material shallbe tested for corrosiveness in accordance with Section 8. Thecomposition of the insulation material shall be such that aftertesting, no perforation of the 0.003 in. (0.076 mm)
13、 metalspecimens shall be evident when the specimens are observedover a 40-W appliance light bulb. Notches extending into thecoupon 0.1 in. (3 mm) or less from any edge shall be ignored.1This specification is under the jurisdiction of ASTM Committee C16 onThermal Insulation and is the direct responsi
14、bility of Subcommittee C16.23 onBlanket and Loose Fill Insulation.Current edition approved April 1, 2004. Published May 2004. Originallyapproved in 2001. Last previous edition approved in 2001 as C 149701e1.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer
15、 Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.5.3 Critical Radiant FluxWhen tested in
16、 accordance withSection 9, the critical radiant flux shall be equal to or greaterthan 0.11 Btu/ft2s (0.12 W/cm2). All values shall be reported totwo significant digits.5.4 Fungi ResistanceThe loose-fill insulation materialshall be tested and pass fungi resistance as specified in Section10. All three
17、 test specimens shall exhibit growth less than orequal to the comparative material in order to pass.5.5 Water Vapor SorptionMoisture gain in the insulationshall be no more than 15 % by weight when tested inaccordance with Section 11.5.6 Odor EmissionAny sample producing a detectableodor that is clas
18、sified as objectionable and strong or strong bymore than two panel members shall be considered to havefailed the test when tested in accordance with Section 12.5.7 Smoldering CombustionWhen tested in accordancewith the smoldering combustion test method in Section 13, theinsulation shall show no evid
19、ence of flaming and a weight lossof no greater than 15 % of the specimen weight.5.8 Thermal ResistanceThe standard thermal resistancevalues recommended for application shall be expressed inFhft2/Btu (Km2/W). The R-value shall be measured inaccordance with Section 14. During random sampling, anaverag
20、e measured R for four specimens that is 95 % of thelabeled value shall be acceptable provided no measurement isless than 90 % of the labeled value.35.9 Flame Resistance PermanencyThe importance of aninsulation product to maintain its fire retardant characteristicsis recognized. A task group is curre
21、ntly studying methods toascertain if there is long-term deterioration of fire performancecharacteristics of cellulose insulation. Should the need for apermanency test method be determined by this task group anda test method developed and finalized, it will become a part ofthis specification.5.10 Shr
22、inkageThe shrinkage (S1) determined in accor-dance with Section 7.5.11 SettlingThe settling (S2) determined in accordancewith Section 7 shall be no greater than 5 %.6. Workmanship, Finish, and Appearance6.1 The product shall be free of extraneous foreign materialssuch as metals and glass that will a
23、dversely affect the perfor-mance in service.7. Shrinkage, Settling, and Density7.1 Density:7.1.1 ScopeThis test method provides a basis for calcu-lating the product coverage values and for conducting physicalproperty tests requiring the use of density for specimenpreparation. The shrinkage and settl
24、ing results provide infor-mation for installation.7.1.2 Significance and UseThe density is the weight perunit volume expected after long-term attic use. All testing ofthis product shall be done using specimens having the densitydetermined by the drop box method described in this section.7.1.3 Appara
25、tus:7.1.3.1 Insulation Specimen ContainerThe drop box ap-paratus shall consist of an open-top box with sides and bottommade from34-inch (19 mm) thick plywood. The interior of thebox should be treated with a water sealer. The interiordimensions of the box shall be 2233635-inch (deep)(55939143127 mm)
26、for insulation withR32ft2hF/Btu (5.64 Km2/W). A 1.0-inch (25 mm) steel “eye”shall be attached to each corner to facilitate lifting the box witha cable or rope harness and pulley system. All box dimensionsshall be within 63 % of the values specified above.7.1.3.2 SpacerA 6.0-inch (150 mm) thick space
27、r shall befabricated for positioning the box above a concrete floor. Thespacer should be fitted with a handle or heavy cord to assistmoving it from below the suspended box. A quick releasedevice can be used to drop the suspended box.7.1.3.3 BalanceA balance having sufficient capacity toweigh a speci
28、men container with freshly installed insulation towithin 0.01 lb (5g).7.1.3.4 Probe and RulerA 0.125 6 0.008 inch (3.2 6 0.2mm) diameter metal rod that is pointed on one end shall beused as a pin gauge. A steel rule with 0.05 inch (1.0 mm) orfiner readability shall be used to determine insulation th
29、ick-nesses. The device pictured in Figure 1 of Test Method C 167may be used.7.2 Procedure:7.2.1 A partially enclosed area is required for specimenpreparation. The enclosure must protect the blowing operationfrom wind or strong air currents. The geometry of the roomshould not influence the stream of
30、insulation from the hose. Itis recommended that the area of the enclosure be at least 2.5times the area of the test specimen container.7.2.2 The weight of the empty box, M1, shall be determinedto within 0.06 lb (25 g).7.2.3 The product to be tested shall be installed in the boxusing equipment and in
31、stallation instructions recommended bythe manufacturer. Excess insulation shall be screed from thetop of the test specimen to provide a level surface thatcoincides with the top edges of the box. The weight of the boxand newly installed insulation, M2, shall be determined towithin 0.06 lb (25g) and r
32、ecorded.7.2.4 The average depth of the insulation shall be deter-mined to within 0.05-inch (1 mm) using a metal probe. Fiveindividual depth measurements shall be averaged to obtain thedepth that is representative of the newly installed insulation.Individual measurements shall be taken at the center
33、of the boxand in each quadrant of the box.7.2.5 The insulation shall be allowed to dry in a conditionedspace maintained at 75 6 5F and 50 6 5 % RH until a changein net weight of the specimen is less than 0.06 lbs (25 g) in twoconsecutive weighings with 24 h between weighings. Theweight of the box wi
34、th the conditioned (dry) insulation, M3,shall be recorded. Since moving of boxes containing insulation3The ranges of thermal resistance, R, listed in this section are allowed by FederalTrade Commission 16 CFR Part 460 Trade Regulation Rule: Labeling andAdvertising of Home Insulation.C1497042may dist
35、urb the insulation, an additional 10-in. deep box ofinsulation installed in the same manner as the test specimensmay be prepared and used to track the drying of the testspecimens.7.2.6 The thickness of the conditioned insulation shall bemeasured by the same method used to measure the initialthicknes
36、s.7.2.7 The box containing the conditioned insulation shall bedropped five times onto a solid concrete floor from a height of6 -0/+1/2 inches (150 -0/+13 mm). The average thickness ofthe insulation shall be measured after five drops using themethod used to measure the initial thickness.7.2.8 The ins
37、ulation shall be removed from the box andweighed to within 0.01 lb (5g). This is weight M4.7.3 Calculations:All of the following are inside dimensions.L = the length of the box , in. (mm)W = the width of the box , in. (mm)M1= the weight of the empty box in lbs (g)M2= the weight of the box and insula
38、tion at installation inlbs (g)M3= the weight of the box and insulation after conditioningin lbs (g)M4= the weight of the conditioned insulation in lbs (g)T1= the initial thickness of the insulation, in. (mm)T2= the thickness of the insulation after conditioning , in.(mm)T3= the thickness of the insu
39、lation after five drops, in. (mm)Weight of water added during installation = M2M3lbs (g)percent water added during installation (dry basis) = (M2M3)3100/M4V = volume of insulation before dropping = L3W3T2/1728ft3or (L3W3T2/13109(m3)D = density of dry “stabilized” product = M4/V lb/ft3or(M4/1000V (kg
40、/m3)S1= % shrinkage = (T1T2)3100/T1S2= % settling = (T2T3)3100/T27.4 Report:7.4.1 Test material identification,7.4.2 The dimensions of the drop box,7.4.3 The thickness tested,7.4.4 The percentage water added (dry basis),7.4.5 The density of the dry-stabilized product,7.4.6 The percent shrinkage,7.4.
41、7 The percent settling.7.5 Precision and Bias:7.5.1 The precision of this test method is not known becauseinterlaboratory data are not available. Interlaboratory data arebeing obtained and a precision statement will be added with thenext revision.7.5.2 Bias cannot be determined at this time since a
42、recog-nized standard is not available.8. Corrosiveness8.1 DeterminationCorrosiveness shall be determined inaccordance with section 6.7 of C 1149 using the densitydetermined in Section 7 with a 10-inch deep (254 mm) dropbox.9. Critical Radiant Flux9.1 Specimen PreparationThe specimen shall be prepare
43、din accordance with the manufacturers installation instructions.9.2 MeasurementCritical Radiant Flux shall be deter-mined in accordance with E 970-89. Products shall be testedafter a test specimen including the adhesive has been condi-tioned to constant weight.9.3 ReportEach of the three measurement
44、s shall be re-ported.10. Fungi Resistance10.1 MeasurementFungi resistance shall be measured inaccordance with Test Method C 1338.10.2 Comparative MaterialA section of untreated south-ern yellow pine approximately 2 3 2 338 in. (51 3 51 3 9.5mm) will be used as the comparative material. The uppersurf
45、ace of the pine shall be planed smooth to determine therelative growth on specimens being tested. For insulationintended to be mixed with adhesive at the time of installation,determine the amount of adhesive concentrate required for 0.35oz (10 g) of dry insulation. Mix the adhesive with 37.5 ml ofdi
46、stilled or deionized water and add this to the dry insulation toform a slurry. For material intended to be mixed only withwater at the time of installation, mix 37.5 ml of distilled ordeionized water with 0.35 oz (10 g) of dry material.11. Water Vapor Sorption11.1 MeasurementWater vapor sorption sha
47、ll be deter-mined in accordance with Section 12 of C 739 for the densitydetermined using a 10-in. deep drop box.12. Odor Emissions12.1 Odor emission shall be determined in accordance withTest Method C 1304.13. Smoldering Combustion13.1 Specimen Preparation:13.1.1 Specimen preparation shall be in acc
48、ordance withsection 6.5 of C 1149 or Section 14 of C 739.13.2 The smoldering combustion test shall be done for testspecimens at a density within 5 % of the density determined inSection 7 using a 10-inch deep drop box. The test shall beperformed on dry material containing adhesive in the case of apro
49、duct containing a dry adhesive. Products that use a spray-applied adhesive shall be tested after a specimen includingadhesive has been allowed to condition to constant weight. Thecriteria given in section 7.2.5 shall be used to identifyconditioned specimens for the purpose of this test.14. Thermal Resistance14.1 Thermal resistance shall be determined in accordancewith Section 15 of C 739. The test specimens must bestabilized product that has been prepared in accordance withmanufacturers recommendations and allowed to dry in accor-dance w
