1、Designation: C 1139 90 (Reapproved 2002)Standard Specification forFibrous Glass Thermal Insulation and Sound AbsorbingBlanket and Board for Military Applications1This standard is issued under the fixed designation C 1139; the number immediately following the designation indicates the year oforiginal
2、 adoption or, in the case of revision, the year of last revision. A 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 unfaced flexible fibrous glassblanket an
3、d faced board used for thermal and sound absorbinginsulation at temperatures up to 450F (232C) for militaryapplications as a replacement for MIL-I-22023D.1.2 The values stated in inch-pound units are to be regardedas the standard. The values given in parentheses are forinformation only.1.3 The follo
4、wing hazard caveat pertains only to the testmethod section of this specification. This standard does notpurport to address all of the safety concerns, if any, associatedwith its use. It is the responsibility of the user of this standardto establish appropriate safety and health practices anddetermin
5、e the applicability of regulatory limitations prior touse.2. Referenced Documents2.1 ASTM Standards:C 167 Test Methods for Thickness and Density of Blanketsor Batt Thermal Insulations2C 168 Terminology Relating to Thermal Insulation2C 177 Test Method for Steady-State Heat Flux Measure-ments and Ther
6、mal Transmission Properties by Means ofthe Guarded-Hot-Plate Apparatus2C 390 Criteria for Sampling and Acceptance of PreformedThermal Insulation Lots2C 411 Test Method for Hot-Surface Performance of HighTemperature Thermal Insulation2C 423 Test Method for Sound Absorption and Sound Ab-sorption Coeff
7、icients by the Reverberation Room Method2C 518 Test Method for Steady-State Heat Flux Measure-ments and Thermal Transmission Properties by Means ofthe Heat Flow Meter Apparatus2C 612 Specification for Mineral Fiber Block and BoardThermal Insulation2C 665 Specification for Mineral Fiber Blanket Therm
8、alInsulation for Light Frame Construction and ManufacturedHousing2C 1101/C1101M Test Method for Classifying the Flexibilityor Rigidity of Mineral Fiber Blanket and Board Insulation2E 84 Test Method for Surface Burning Characteristics ofBuilding Materials32.2 U.S. Military Standards:MIL-STD-167-1 Mec
9、hanical Vibrations of ShipboardEquipment (Type 1 Environmental and Type II InternallyExcited)4MIL-Y-1140 Yarn, Cord, Sleeving, Cloth and Tape-Glass4MIL-A-3316 Adhesives, Fire Resistant, Thermal Insula-tion43. Terminology3.1 DefinitionsTerminology C 168 shall apply to theterms used in this specificat
10、ion.4. Classification4.1 The fibrous glass felt shall be of the following types andgrades:Type I, Unfaced Thermal Blanket Nominal Density, lb/ft3(kg/m3)Grade 1 0.75 (12)Grade 2 1.00 (16)Grade 3 1.50 (24)Grade 4 2.00 (32)Grade 5 2.50 (40)Grade 6 3.00 (48)Type II, Unfaced Sound AbsorbingBlanket Nomina
11、l Density, lb/ft3(kg/m3)Grade 1 0.75 (12)Grade 2 1.00 (16)Grade 3 1.50 (24)Grade 4 2.00 (32)Grade 5 2.50 (40)Grade 6 3.00 (48)Type III, Faced, Thermal and SoundAbsorbing BoardDensity shall be 2.8 (45)lb/ft3(kg/m3)1This specification is under the jurisdiction of ASTM Committee C16 onThermal Insulatio
12、n and is the direct responsibility of Subcommittee C16.23 onBlanket and Loose Fill Insulation.Current edition approved Feb. 23, 1990. Published August 1990.2Annual Book of ASTM Standards, Vol 04.06.3Annual Book of ASTM Standards, Vol 04.07.4Available from Standardization Documents Order Desk, Bldg.
13、4 Section D, 700Robbins Ave., Philadelphia, PA 19111-5094.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.5. Ordering Information5.1 The type, dimensions, density, maximum use tempera-ture, and facing (if required) shall be specified
14、 by the pur-chaser. A product certification may be specified in the purchaseorder.6. Materials and Manufacture6.1 Composition:6.1.1 The insulation shall be composed of glass, processedfrom a molten state into a fibrous form, bonded with a chemicalbinder. Asbestos shall not be used as an ingredient o
15、r compo-nent part of the product.6.1.2 The facing shall be a polyester film reinforced withglass yarns (MIL-I-1140). The laminating adhesive shall con-form to the requirements of MIL-A-3316. Asbestos shall not beused as an ingredient or component part of the product.7. Physical Requirements7.1 A 1-i
16、n. (25-mm) thick sample of the insulation shall beflexible when tested in accordance with 11.1.7.2 The insulation shall be of the nominal density specifiedfor its grade with a tolerance of 610 %. Density shall bedetermined in accordance with 11.2.7.3 Maximum Temperature of UseWhen tested in accor-da
17、nce with 11.10 at the insulations maximum use temperatureof 450F (232C), the insulation shall not crack, warp, flame,glow, smolder, or show evidence of fused fibers.7.4 The nonfibrous material (shot) content shall not begreater than 1.5 % by weight when tested in accordance with11.3.7.5 Binder Conte
18、ntWhen tested in accordance with 11.4,the binder content shall not exceed 30 % by weight.7.6 Corrosiveness to SteelWhen tested in accordance with11.6, steel plates in contact with the insulation shall show nocorrosion greater than comparative plates in contact with sterilecotton.7.7 Surface Burning
19、Characteristics Type I and IITheinsulation shall have a flame spread index not greater than 25and a smoke developed index not greater than 50 when testedin accordance with Test Method E 84.7.8 Quarter Scale Room Fire Test of Type IIIType III shallmeet the requirements of the Quarter-Scale Room-Fire
20、TestMethod described in 11.12.7.9 Apparent Thermal ConductivityThe thermal conduc-tivities for Type I, Grade 1 through 6 and Type III materialsshall not exceed the values shown in Table 1. Thermalconductivity shall be determined by Test Methods C 177 orC 518.7.10 Vibration Resistance of Type II Mate
21、rialsThere shallbe a maximum of 0.50 % weight loss and the insulation shallnot settle and lose thickness when subjected to the vibrationtest described in 11.9.7.11 Acoustical Performance of Type II MaterialsThecoefficients of absorption shall be not less than those shown inTable 2 when Type II mater
22、ial is tested in accordance with11.8.7.12 KerfingType III panels shall be capable of beingkerfed with a 90 V-groove to facilitate bending when the panelis folded to a right angle. The facing material shall be flexibleto form a neat square corner at the kerfed joint (see 11.11).7.13 Flashover TimeFla
23、shover time shall not occur within10 min when tested in accordance with 11.12.4.5.8. Dimensions and Permissible Variations8.1 The standard sizes and tolerances of Types I, II, and IIImaterials are listed in Table 3.9. Workmanship, Finish, and Appearance9.1 The insulation units shall indicate good wo
24、rkmanshipand shall not have defects that adversely affect their installationand service qualities.10. Sampling10.1 Inspection and qualification shall be in accordancewith Criteria C390. Other provisions for sampling can beagreed upon between the purchaser, seller, and manufacturer.11. Test Methods11
25、.1 FlexibilityRigidityTest in accordance with TestMethod C 1101/C 1101M.11.2 DensityTest in accordance with Test Methods C 167.11.3 Nonfibrous Shot ContentTest in accordance with theAnnex in Specification C 612.11.4 Test Method for Determining Binder Content:11.4.1 ScopeThis test method provides a t
26、est to determinethe amount of organic binder present in the insulation.11.4.2 Summary of Test MethodThe percent binder byweight is measured by determining the weight lost by theinsulation after it is placed in a 1000F (538C) furnace for 1h.11.4.3 Significance and UseThere is a susceptibility ofthe p
27、roduct to have an exothermic reaction at high temperature.TABLE 1 Type I and Type III Thermal Insulation Blanket Physical RequirementsType IType IGrade 1Type IGrade 2Type IGrade 3Type IGrade 4Type IGrade 5Type IGrade 6Type IIINominal Density (lb/ft3) 0.75 1.0 1.5 2.0 2.5 3.0 2.8Thermal Conductivity,
28、 max Btuin./h ft2F (W/mK)Mean Temperature, F (C)25 (4) 0.27 (0.039) 0.26 (0.037) 0.24 (0.035) 0.22 (0.032) 0.22 (0.032) 0.22 (0.032) 0.22 (0.032)50 (10) 0.29 (0.042) 0.28 (0.040) 0.26 (0.037) 0.24 (0.035) 0.23 (0.033) 0.23 (0.033) 0.23 (0.033)75 (24) 0.32 (0.046) 0.30 (0.043) 0.27 (0.039) 0.25 (0.03
29、6) 0.24 (0.035) 0.24 (0.035) 0.24 (0.035)100 (38) 0.35 (0.050) 0.32 (0.046) 0.29 (0.042) 0.27 (0.039) 0.26 (0.037) 0.25 (0.036) 0.26 (0.037)200 (93) 0.49 (0.071) 0.43 (0.062) 0.38 (0.055) 0.34 (0.049) 0.31 (0.045) 0.30 (0.043) 0.31 (0.045)300 (149) 0.70 (0.101) 0.58 (0.083) 0.50 (0.072) 0.44 (0.063)
30、 0.38 (0.055) 0.37 (0.053) 0.38 (0.055)C 1139 90 (2002)211.4.4 Apparatus:11.4.4.1 Furnace, capable of maintaining a 1000F (538C)temperature.11.4.4.2 Scales, accurate to 0.1 % of specimen weight.11.4.5 Test Specimen:11.4.5.1 Three test specimens shall be tested.11.4.5.2 The test specimen shall be bet
31、ween 0.17 lb (75 g)and 0.33 lb (150 g).11.4.6 Procedure:11.4.6.1 Weigh the specimens; then place the specimens inthe 1000F (538C) furnace for 1 h.11.4.6.2 Remove the specimens from the furnace and letthem cool to room temperature in the same laboratory atmo-sphere (temperature and relative humidity)
32、 as they wereprevious to placing them in the furnace.11.4.6.3 Weigh the specimens when they have cooled toambient temperature. The percent binder is the average of thefollowing calculation for the three specimens:B,%5WI2 WFWI3 100where:B = percent binder,WI= initial weight, andWF= final weight after
33、 1 h.11.4.7 Precision and BiasThe precision of this testmethod is not known because interlaboratory data are notavailable. This test method may not be suitable for use inspecifications or in case of disputed results as long as these dataare not available.11.5 Thermal ConductivityTest in accordance w
34、ith TestMethods C 177 or C 518.11.6 Corrosiveness to SteelTest in accordance with thecorrosiveness method of Specification C 665.11.7 Surface Burning CharacteristicsTest in accordancewith Test Method E 84.11.8 Acoustical PerformanceTest in accordance with TestMethod C 423 using an “A” mounting.11.9
35、Test Method for Determining the Vibration Resistanceof Fibrous Glass Insulation:11.9.1 ScopeThis test method provides a test to determinethe effect of vibration, at ambient temperature, on fibrous glassinsulation.11.9.2 Summary of Test MethodA 12-in. (30.5-cm) squarespecimen is subjected to a 0.13-i
36、n. (3-mm) amplitude vibrationwith a 12-Hz frequency in a horizontal plane for a period of100 h. After the 100 h of vibration, the specimen is examinedfor weight loss and loss of thickness due to settling.11.9.3 Significance and UseThis is a test method to testproducts that are installed in an above
37、ambient temperature andvibrating environment.11.9.4 Apparatus:11.9.4.1 Pin Probe, as described in Test Methods C 167.11.9.4.2 Sheet Metal Box, 12-in. (30.5-cm) Square, with a16-mesh wire screen tightly stretched over one open side.11.9.4.3 Vibration Testing Fixture, capable of vibrating at a12 Hz fr
38、equency and a 0.13-in. (3-mm) amplitude in thehorizontal plane.11.9.5 Test SpecimenCut a 12-in. (30.5-cm) square, fullthickness sample of the insulation and blow it clean of all looseor cut surface particles.11.9.6 Procedure:11.9.6.1 Measure the thickness of the specimen in 5 placesto the nearest 0.
39、1 in. (2.5 mm) using a pin probe described inTest Methods C 167.11.9.6.2 Subject the test specimen to the endurance test forType I of MIL-STD-167-1 except that the total period of thetest shall be 100 h at a frequency of 12 Hz with an amplitudeof vibration of 0.13 6 0.006 in. (3.3 mm 6 0.065 mm) onl
40、y.In preparation for the test, the test specimen shall be blownclean of all loose or cut surface particles and weighed to thenearest 0.1 g (0.002 lb). After weighing, the test specimen shallbe placed in a tight fitting five-sided sheet metal box coveredwith a No. 16-mesh wire screen tightly stretche
41、d and firmlyattached to the box over the open side. The specimen shall bein intimate contact with the screen and five sides of the box.The method of attachment shall be in accordance with MIL-STD-167-1, allowing the test specimen to have the exposedface down and in a horizontal position. A pan shall
42、 be installedbelow the test specimen to catch all material particles that fallfrom the test specimen during the test. The test shall beconducted with the specimen in the horizontal position only.The vibration excitation shall be in the horizontal position only.11.9.6.3 At the completion of the 100 h
43、 of vibration, removethe test specimen from its mounting attachments and sheetmetal box. Weigh the specimen again to the nearest 0.002 lbTABLE 2 Coefficients of Sound Absorption Minimum, Using aType “A” Mounting (Types II and III)NOTE 1 Data on Type “A” Mounting is for comparison only and notmeant t
44、o indicate characteristics in service.Nominal Insula-tion Thickness,in. (mm)Frequency, Hz125 250 500 1000 2000 4000Noise Reduc-tion Coefficient(NRC)Type II, All Grades0.75 (19) 0.04 0.10 0.20 0.40 0.55 0.55 0.301.0 (25) 0.06 0.20 0.45 0.65 0.65 0.64 0.502.0 (51) 0.15 0.40 0.75 0.75 0.75 0.70 0.653.0
45、 (75) 0.20 0.60 0.90 0.80 0.80 0.75 0.804.0 (100) 0.25 0.65 0.95 0.85 0.85 0.80 0.85Type III2 (51) 0.43 0.96 1.00 0.70 0.51 0.35 0.80TABLE 3 Type I, II, and III Tolerances for Standard SizesStandard Sizes Types I and II TolerancesLength ft (m) 4 (1.22), 8 (2.43)50 (15.24), 75 (22.86), 100(30.49),150
46、 (45.73), 200 (61)614 in. (0.64 cm)66 in. (15.24 cm)Width in. (cm) 24 (61.68), 36 (91.44), 48(122),72 (183)614 in. (0.64 cm)Thickness in. (cm) 0.75 (1.9), 1.0 (2.54), 1.5 (3.8),2.0 (5.1), 2.5 (6.35), 30 (7.62),3.5 (8.9), 4.0 (10.2)618 in. (0.32 cm)Standard Sizes Types III TolerancesLength, in. (cm)
47、36 (91.44), 48 (122) 614 in. (0.64 cm)Width, in. (cm) 24 (61.68) 614 in. (0.64 cm)Thickness, in. (cm) 0.75 (1.9), 1.0 (2.54), 1.5 (3.8),2.0 (5.1)618 in. (0.32 cm)C 1139 90 (2002)3(0.1 g) and calculate the percent weight loss. Also measure thespecimens thickness again in 5 places to the nearest 0.1 i
48、n.(2.5 mm) and determine the percent loss in thickness.11.9.7 Precision and BiasThe precision of this testmethod is not known because interlaboratory data are notavailable. This test method may not be suitable for use inspecifications or in case of disputed results as long as these dataare not avail
49、able.11.10 Maximum Use TemperatureTest in accordance withTest Method C 411.11.11 Kerfing:11.11.1 ScopeThis test method provides a test to deter-mine the suitability of a board to be kerfed.11.11.2 Summary of Test MethodThe insulation board isV-grooved with two sharp knives to facilitate bending when theboard is folded to a right angle. The grooves shall be examinedfor smoothness of surface.11.11.3 Significance and UseA board must be capable ofbeing kerfed properly to ensure an acceptable installation.11.11.4 Apparatus:11.11.4.1
