1.1This test method describes a procedure for determining the compressive properties of rigid cellular materials, particularly expanded plastics.
1.2The values stated in SI units are to be regarded as the standard. The values in parentheses are for information only.
1.3This 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.
Note 1:This test method and ISO 844 are technically equivalent.
1.4This 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.
ASTM D1621-16(2023) History
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