ASTM C165 - 23
Standard Test Method for Measuring Compressive Properties of Thermal Insulations
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| Edition date: |
2023-03-01
In Force
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| Available languages: | English |
| Summary: | |
| Keywords: | blanket-type; block-type; board-type; compression testing; compressive resistance; deformation; modulus of elasticity; thermal insulation; thermal insulation materials ; |
| Scope: | 1.1 This test method covers two procedures for determining the compressive resistance of thermal insulations. 1.1.1 Procedure A covers thermal insulations having an approximate straight-line portion of a load-deformation curve, with or without an identifiable yield point as shown in Figs. 1 and 2. Such behavior is typical of most rigid board or block-type insulations. FIG. 1 Procedure A—Straight Line Portion with Definite Yield Point ![]() FIG. 2 Procedure A—Straight Line Portion but no Definite Yield Point ![]() 1.1.2 Procedure B covers thermal insulations that become increasingly more stiff as load is increased, as shown in Fig. 3. Such behavior is typical of fibrous batt and blanket insulations that have been compressed previously to at least the same deformation by compression packaging or mechanical softening. FIG. 3 Procedure B—Increasing Stiffness ![]() 1.2 It is recognized that the classification of materials under Procedures A and B shall not hold in all cases. For example, some batt or blanket materials that have not been compression packaged will exhibit behavior more typical of Procedure A for their first loadings. Also, some higher density fibrous insulation boards that have been precompressed will exhibit load-deformation curves more typical of Procedure B. There will also be thermal insulations with load-deformation curves that follow none of the three types shown here; that is, curves with no straight-line portion, curves with compaction areas, and curves that change from negative to positive slope. 1.3 This test method does not cover reflective or loose fill insulations. 1.4 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only. 1.5 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
| ICS: | 91.100.60-Thermal and sound insulating materials |
| CTN: | C16.32 - C16.32 |
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Otras Relaciones |
Es referenciada por C0208-22 Es referenciada por C0728-17AR22 Es referenciada por C1423-21 Es referenciada por C0552-22 Es referenciada por C0610-17R23 Es referenciada por C0656-17R23 Es referenciada por C0533-17R23 Es referenciada por C1937 - 24a Es referenciada por C726 - 24 Es referenciada por C1676/C1676M - 25 Es referenciada por E1730 - 19(2025) Es referenciada por C1126 - 24 Es referenciada por D7492/D7492M - 16a(2024) Es referenciada por D7425/D7425M - 25 Es referenciada por C1482 - 24e1 Es referenciada por C1728 - 25 Es referenciada por C1029 - 25 Es referenciada por D6817/D6817M - 17(2025) Es referenciada por C578 - 23 Es referenciada por C1393 - 25 |













