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This specification covers unfaced flexible fibrous glass blanket and faced board used for thermal and sound absorbing insulation for military applications as a replacement for MIL-I-22023D. The fibrous glass felt shall be of the following types and grades: Types I and II (Grades 1, 2, 3, 4, 5, and 6). The insulation shall be composed of glass, processed from a molten state into a fibrous form, bonded with a chemical binder. The following test methods shall be performed: flexibility and rigidity; density; determining binder content; thermal conductivity; corrosiveness to steel; surface burning characteristics; determining the vibration resistance of fibrous glass insulation; maximum use temperature; and determination of flashover potential of a lining material using a quarter-scale room fire test.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
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 standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.3 This specification measures and describes the response of materials, products, or assemblies to heat and flame under controlled conditions, but does not by itself incorporate all factors required for fire hazard or fire risk assessment of the materials, products, or assemblies under actual fire conditions.
1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.5 The following hazard caveat pertains only to the test method section of this specification. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
C167 Test Methods for Thickness and Density of Blanket or Batt Thermal Insulations
C168 Terminology Relating to Thermal Insulation
C177 Test Method for Steady-State Heat Flux Measurements and Thermal Transmission Properties by Means of the Guarded-Hot-Plate Apparatus
C390 Practice for Sampling and Acceptance of Thermal Insulation Lots
C411 Test Method for Hot-Surface Performance of High-Temperature Thermal Insulation
C423 Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
C518 Test Method for Steady-State Thermal Transmission Properties by Means of the Heat Flow Meter Apparatus
C612 Specification for Mineral Fiber Block and Board Thermal Insulation
C665 Specification for Mineral-Fiber Blanket Thermal Insulation for Light Frame Construction and Manufactured Housing
C1101/C1101M Test Methods for Classifying the Flexibility or Rigidity of Mineral Fiber Blanket and Board Insulation
E84 Test Method for Surface Burning Characteristics of Building Materials
E176 Terminology of Fire Standards
E2231 Practice for Specimen Preparation and Mounting of Pipe and Duct Insulation Materials to Assess Surface Burning Characteristics
ICS Number Code 91.120.10 (Thermal insulation of buildings); 91.120.20 (Acoustics in buildings. Sound insulation)
UNSPSC Code 30141500(Thermal insulation); 30141601(Acoustical insulation)
ASTM C1139-14, Standard Specification for Fibrous Glass Thermal Insulation and Sound Absorbing Blanket and Board for Military Applications, ASTM International, West Conshohocken, PA, 2014, www.astm.orgBack to Top