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This specification covers the requirements for fibrous glass blanket thermal and acoustical insulation for use in aircraft applications up to a specified temperature. The fibrous glass blanket insulation are classified into types according to temperature limits, into classes based on acoustical properties, grades according to nominal density and into groups based on thickness. The insulation can either be water repellent or non-water repellent. The materials should conform to the required values of density, handleability, burning characteristics, water repellency and wicking (for water-repellent insulation only), odor emission, service temperature, apparent thermal conductivity, specific transverse airflow resistance, and breaking strength.
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 the composition, size, dimensions, and physical properties of glass fiber blanket thermal and acoustical insulation for use up to 700°F (370°C) in aircraft applications. For specific applications, the maximum temperature shall be agreed upon between the supplier and the purchaser.
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 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
C518 Test Method for Steady-State Thermal Transmission Properties by Means of the Heat Flow Meter Apparatus
C552 Specification for Cellular Glass Thermal Insulation
C1045 Practice for Calculating Thermal Transmission Properties Under Steady-State Conditions
C1058 Practice for Selecting Temperatures for Evaluating and Reporting Thermal Properties of Thermal Insulation
C1304 Test Method for Assessing the Odor Emission of Thermal Insulation Materials
C1511 Test Method for Determining the Water Retention (Repellency) Characteristics of Fibrous Glass Insulation (Aircraft Type)
C1559 Test Method for Determining Wicking of Fibrous Glass Blanket Insulation (Aircraft Type)
D5034 Test Method for Breaking Strength and Elongation of Textile Fabrics (Grab Test)
E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
F1110 Test Method for Sandwich Corrosion Test
Other Standards14CFRFAR(FederalAvia Appendix F, Part IV
ICS Number Code 49.025.60 (Textiles)
UNSPSC Code 30141508(Fiber insulation)