ASTM C1139-90(1996)e1

Standard Specification for Fibrous Glass Thermal Insulation and Sound Absorbing Blanket and Board for Military Applications

SCOPE
1.1 This specification covers unfaced flexible fibrous glass blanket and faced board used for thermal and sound absorbing insulation at temperatures up to 450°F (232°C) for military applications as a replacement for MIL-I-22023D.
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
1.3 The following hazard caveat pertains only to the test method section of this specification. This standard does not purport to address the safety problems associated with its use. It is the responsibility of the user to consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

General Information

• Status: Historical
• Publication Date: 31-Dec-1995
• Technical Committee: C16 - Thermal Insulation
• Drafting Committee: C16.23 - Blanket and Loose Fill Insulation

Relations

• Replaced By: ASTM C1139-90(2002) - Standard Specification for Fibrous Glass Thermal Insulation and Sound Absorbing Blanket and Board for Military Applications
• Effective Date: 23-Feb-1990

Standards Content (Sample)

e1
Designation: C 1139 – 90 (Reapproved 1996)
Standard Specification for
Fibrous Glass Thermal Insulation and Sound Absorbing
Blanket and Board for Military Applications
This standard is issued under the fixed designation C 1139; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
e NOTE—A Keywords section and precision statements were added in August 1996.
1. Scope C 612 Specification for Mineral Fiber Block and Board
Thermal Insulation
1.1 This specification covers unfaced flexible fibrous glass
C 665 Specification for Mineral Fiber Blanket Thermal
blanket and faced board used for thermal and sound absorbing
Insulation for Light Frame Construction and Manufactured
insulation at temperatures up to 450°F (232°C) for military
Housing
applications as a replacement for MIL-I-22023D.
C 1101/C1101M Test Method for Classifying the Flexibility
1.2 The values stated in inch-pound units are to be regarded
or Rigidity of Mineral Fiber Blanket and Board Insulation
as the standard. The values given in parentheses are for
E 84 Test Method for Surface Burning Characteristics of
information only.
Building Materials
1.3 The following hazard caveat pertains only to the test
2.2 U.S. Military Standards:
method section of this specification. This standard does not
MIL-STD-167-1 Mechanical Vibrations of Shipboard
purport to address all of the safety concerns, if any, associated
Equipment (Type 1 Environmental and Type II Internally
with its use. It is the responsibility of the user of this standard
Excited)
to establish appropriate safety and health practices and
MIL-Y-1140 Yarn, Cord, Sleeving, Cloth and Tape-Glass
determine the applicability of regulatory limitations prior to
MIL-A-3316 Adhesives, Fire Resistant, Thermal Insula-
use.
tion
2. Referenced Documents
3. Terminology
2.1 ASTM Standards:
3.1 Definitions—Terminology C 168 shall apply to the
C 167 Test Methods for Thickness and Density of Blankets
terms used in this specification.
or Batt Thermal Insulations
C 168 Terminology Relating to Thermal Insulating Materi-
4. Classification
als
4.1 The fibrous glass felt shall be of the following types and
C 177 Test Method for Steady-State Heat Flux Measure-
grades:
ments and Thermal Transmission Properties by Means of
3 3
Type I, Unfaced Thermal Blanket Nominal Density, lb/ft (kg/m )
the Guarded-Hot-Plate Apparatus
Grade 1 0.75 (12)
C 390 Criteria for Sampling and Acceptance of Preformed
Grade 2 1.00 (16)
Thermal Insulation Lots Grade 3 1.50 (24)
Grade 4 2.00 (32)
C 411 Test Method for Hot-Surface Performance of High
Grade 5 2.50 (40)
Temperature Thermal Insulation
Grade 6 3.00 (48)
C 423 Test Method for Sound Absorption and Sound Ab- Type II, Unfaced Sound Absorbing
3 3
Blanket Nominal Density, lb/ft (kg/m )
sorption Coefficients by the Reverberation Room Method
Grade 1 0.75 (12)
C 518 Test Method for Steady-State Heat Flux Measure-
Grade 2 1.00 (16)
ments and Thermal Transmission Properties by Means of Grade 3 1.50 (24)
2 Grade 4 2.00 (32)
the Heat Flow Meter Apparatus
Grade 5 2.50 (40)
Grade 6 3.00 (48)
This specification is under the jurisdiction of ASTM Committee C-16 on
Thermal Insulation and is the direct responsibility of Subcommittee C16.23 on
Blanket and Loose Fill Insulation. Annual Book of ASTM Standards, Vol 04.07.
Current edition approved Feb. 23, 1990. Published August 1990. Available from Standardization Documents Order Desk, Bldg. 4 Section D, 700
Annual Book of ASTM Standards, Vol 04.06. Robbins Ave., Philadelphia, PA 19111-5094.
Copyright © ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, United States.
C 1139
7.9 Apparent Thermal Conductivity—The thermal conduc-
Type III, Faced, Thermal and Sound Density shall be 2.8 (45)
3 3
Absorbing Board lb/ft (kg/m )
tivities for Type I, Grade 1 through 6 and Type III materials
shall not exceed the values shown in Table 1. Thermal
5. Ordering Information
conductivity shall be determined by Test Methods C 177 or
5.1 The type, dimensions, density, maximum use tempera-
C 518.
ture, and facing (if required) shall be specified by the pur-
7.10 Vibration Resistance of Type II Materials—There shall
chaser. A product certification may be specified in the purchase
be a maximum of 0.50 % weight loss and the insulation shall
order.
not settle and lose thickness when subjected to the vibration
test described in 11.9.
6. Materials and Manufacture
7.11 Acoustical Performance of Type II Materials—The
6.1 Composition:
coefficients of absorption shall be not less than those shown in
6.1.1 The insulation shall be composed of glass, processed
Table 2 when Type II material is tested in accordance with
from a molten state into a fibrous form, bonded with a chemical
11.8.
binder. Asbestos shall not be used as an ingredient or compo-
7.12 Kerfing—Type III panels shall be capable of being
nent part of the product.
kerfed with a 90° V-groove to facilitate bending when the panel
6.1.2 The facing shall be a polyester film reinforced with
is folded to a right angle. The facing material shall be flexible
glass yarns (MIL-I-1140). The laminating adhesive shall con-
to form a neat square corner at the kerfed joint (see 11.11).
form to the requirements of MIL-A-3316. Asbestos shall not be
7.13 Flashover Time—Flashover time shall not occur within
used as an ingredient or component part of the product.
10 min when tested in accordance with 11.12.4.5.
8. Dimensions and Permissible Variations
7. Physical Requirements
8.1 The standard sizes and tolerances of Types I, II, and III
7.1 A 1-in. (25-mm) thick sample of the insulation shall be
materials are listed in Table 3.
flexible when tested in accordance with 11.1.
7.2 The insulation shall be of the nominal density specified
9. Workmanship, Finish, and Appearance
for its grade with a tolerance of 610 %. Density shall be
9.1 The insulation units shall indicate good workmanship
determined in accordance with 11.2.
and shall not have defects that adversely affect their installation
7.3 Maximum Temperature of Use—When tested in accor-
and service qualities.
dance with 11.10 at the insulation’s maximum use temperature
of 450°F (232°C), the insulation shall not crack, warp, flame, 10. Sampling
glow, smolder, or show evidence of fused fibers.
10.1 Inspection and qualification shall be in accordance
7.4 The nonfibrous material (shot) content shall not be
with Criteria C390. Other provisions for sampling can be
greater than 1.5 % by weight when tested in accordance with
agreed upon between the purchaser, seller, and manufacturer.
11.3.
11. Test Methods
7.5 Binder Content—When tested in accordance with 11.4,
the binder content shall not exceed 30 % by weight. 11.1 Flexibility—Rigidity—Test in accordance with Test
7.6 Corrosiveness to Steel—When tested in accordance with Method C 1101/C 1101M.
11.6, steel plates in contact with the insulation shall show no 11.2 Density—Test in accordance with Test Methods C 167.
corrosion greater than comparative plates in contact with sterile 11.3 Nonfibrous Shot Content—Test in accordance with the
cotton. Annex in Specification C 612.
7.7 Surface Burning Characteristics Type I and II—The 11.4 Test Method for Determining Binder Content:
insulation shall have a flame spread index not greater than 25
11.4.1 Scope—This test method provides a test to determine
and a smoke developed index not greater than 50 when tested the amount of organic binder present in the insulation.
in accordance with Test Method E 84. 11.4.2 Summary of Test Method—The percent binder by
7.8 Quarter Scale Room Fire Test of Type III—Type III shall weight is measured by determining the weight lost by the
meet the requirements of the Quarter-Scale Room-Fire Test insulation after it is placed in a 1000°F (538°C) furnace for 1
Method described in 11.12. h.
TABLE 1 Type I and Type III Thermal Insulation Blanket Physical Requirements
Type I Type I Type I Type I Type I Type I
Type I Type III
Grade 1 Grade 2 Grade 3 Grade 4 Grade 5 Grade 6
Nominal Density (lb/ft ) 0.75 1.0 1.5 2.0 2.5 3.0 2.8
Thermal Conductivity, max Btu·in./h ft ·°F (W/m·K)
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 (0.036) 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) 0.38 (0.055) 0.37 (0.053) 0.38 (0.055)
C 1139
TABLE 2 Coefficients of Sound Absorption Minimum, Using a
11.4.7 Precision and Bias—The precision of this test
Type “A” Mounting (Types II and III)
method is not known because interlaboratory data are not
available. This test method may not be suitable for use in
NOTE 1— Data on Type “A” Mounting is for comparison only and not
meant to indicate characteristics in service.
specifications or in case of disputed results as long as these data
are not available.
Frequency, Hz
Nominal Insula-
Noise Reduc-
11.5 Thermal Conductivity—Test in accordance with Test
tion Thickness,
125 250 500 1000 2000 4000 tion Coefficient
in. (mm)
Methods C 177 or C 518.
(NRC)
Type II, All Grades
11.6 Corrosiveness to Steel—Test in accordance with the
0.75 (19) 0.04 0.10 0.20 0.40 0.55 0.55 0.30
corrosiveness method of Specification C 665.
1.0 (25) 0.06 0.20 0.45 0.65 0.65 0.64 0.50
11.7 Surface Burning Characteristics—Test in accordance
2.0 (51) 0.15 0.40 0.75 0.75 0.75 0.70 0.65
3.0 (75) 0.20 0.60 0.90 0.80 0.80 0.75 0.80
with Test Method E 84.
4.0 (100) 0.25 0.65 0.95 0.85 0.85 0.80 0.85
11.8 Acoustical Performance—Test in accordance with Test
Type III
2 (51) 0.43 0.96 1.00 0.70 0.51 0.35 0.80 Method C 423 using an “A” mounting.
11.9 Test Method for Determining the Vibration Resistance
of Fibrous Glass Insulation:
TABLE 3 Type I, II, and III Tolerances for Standard Sizes
11.9.1 Scope—This test method provides a test to determine
Standard Sizes Types I and II Tolerances
the effect of vibration, at ambient temperature, on fibrous glass
Length ft (m) 4 (1.22), 8 (2.43) 6 ⁄4 in. (0.64 cm) insulation.
50 (15.24), 75 (22.86), 100 66 in. (15.24 cm)
11.9.2 Summary of Test Method—A 12-in. (30.5-cm) square
(30.49),
specimen is subjected to a 0.13-in. (3-mm) amplitude vibration
150 (45.73), 200 (61)
Width in. (cm) 24 (61.68), 36 (91.44), 48 6 ⁄4 in. (0.64 cm)
with a 12-Hz frequency in a horizontal plane for a period of
(122),
100 h. After the 100 h of vibration, the specimen is examined
72 (183)
1 for weight loss and loss of thickness due to settling.
Thickness in. (cm) 0.75 (1.9), 1.0 (2.54), 1.5 (3.8), 6 ⁄8 in. (0.32 cm)
2.0 (5.1), 2.5 (6.35), 30 (7.62),
11.9.3 Significance and Use—This is a test method to test
3.5 (8.9), 4.0 (10.2)
products that are installed in an above ambient temperature and
Standard Sizes Types III Tolerances
vibrating environment.
Length, in. (cm) 36 (91.44), 48 (122) 6 ⁄4 in. (0.64 cm)
11.9.4 Apparatus:
Width, in. (cm) 24 (61.68) 6 ⁄4 in. (0.64 cm)
11.9.4.1 Pin Probe, as described in Test Methods C 167.
Thickness, in. (cm) 0.75 (1.9), 1.0 (2.54), 1.5 (3.8), 6 ⁄8 in. (0.32 cm)
2.0 (5.1) 11.9.4.2 Sheet Metal Box, 12-in. (30.5-cm) Square, with a
16-mesh wire screen tightly stretched over one open side.
11.9.4.3 Vibration Testing Fixture, capable of vibrating at a
12 Hz frequency and a 0.13-in. (3-mm) amplitude in the
11.4.3 Significance and Use—There is a susceptibility of
horizontal plane.
the product to have an exothermic reaction at high temperature.
11.9.5 Test Specimen—Cut a 12-in. (30.5-cm) square, full
11.4.4 Apparatus:
thickness sample of the insulation and blow it clean of all loose
11.4.4.1 Furnace, capable of maintaining a 1000°F (538°C)
or cut surface particles.
temperature.
11.4.4.2 Scales, accurate to 0.1 % of specimen weight. 11.9.6 Procedure:
11.4.5 Test Specimen: 11.9.6.1 Measure the thickness of the specimen in 5 places
11.4.5.1 Three test specimens shall be tested.
to the nearest 0.1 in. (2.5 mm) using a pin probe described in
11.4.5.2 The test specimen shall be between 0.17 lb (75 g) Test Methods C 167.
and 0.33 lb (150 g).
11.9.6.2 Subject the test specimen to the endurance test for
11.4.6 Procedure:
Type I of MIL-STD-167-1 except that the total period of the
11.4.6.1 Weigh the specimens; then place the specimens in
test shall be 100 h at a frequency of 12 Hz with an amplitude
the 1000°F (538°C) furnace for 1 h.
of vibration of 0.13 6 0.006 in. (3.3 mm 6 0.065 mm) only.
11.4.6.2 Remove the specimens from the furnace and let
In preparation for the test, the test specimen shall be blown
them cool to room temperature in the same laboratory atmo-
clean of all loose or cut surface particles and weighed to the
sphere (temperature and relative humidity) as they were
nearest 0.1 g (0.002 lb). After weighing, the test specimen shall
previous to placing them in the furnace.
be placed in a tight fitting five-sided sheet metal box covered
11.4.6.3 Weigh the specimens when they have cooled to
with a No. 16-mesh wire screen tightly stretched and firmly
ambient temperature. The percent binder is the average of the
attached to the box over the open side. The specimen shall be
following calculation for the three specimens:
in intimate contact with the screen and five sides of the box.
The method of attachment shall be in accordance with MIL-
W 2 W
I F
B,% 5 3 100
STD-167-1, allowing the test specimen to have the exposed
W
I
face down and in a horizontal position. A pan shall be installed
where:
below the test specimen to catch all material particles that fall
B 5 percent binder,
from the test specimen during the test. The test shall be
W 5 initial weight, and
I
conducted with the specimen in the horizontal position only.
W 5 final weight after 1 h.
F
The vibration excitation shall be in the horizontal position only.
C 1139
11.9.6.3 At the completion of the 100 h of vibration, remove room shall be constructed from a suitable ceramic insulation
the test specimen from its mounting attachments and sheet board and shall form an airtight box having a ceiling and four
metal box. Weigh the specimen again to the nearest 0.002 lb sides. The box shall sit on a floor fabricated with the same
(0.1 g) and calculate the percent weight loss. Also measure the material. The interior dimensions of the fully lined quarter-
specimen’s thickness again in 5 places to the nearest 0.1 in. scale room
...