Standard Active Last Updated: Jan 07, 2022 Track Document
ASTM D5721-22

Standard Practice for Air-Oven Aging of Polyolefin Geomembranes

Standard Practice for Air-Oven Aging of Polyolefin Geomembranes D5721-22 ASTM|D5721-22|en-US Standard Practice for Air-Oven Aging of Polyolefin Geomembranes Standard new BOS Vol. 04.13 Committee D35
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Significance and Use

4.1 Under the conditions of this test, the specimens undergo degradation at a rate that is a function of the thermal endurance of the polyolefin geomembrane under examination.

4.2 The rate of change of a particular property as a function of temperature may be evaluated using the temperatures and times outlined in Practice D3045.

4.3 Any correlation between this practice and service life of polyolefin geomembranes must be determined for the particular application in which they are to be used.

4.4 Air-oven aging can be used to evaluate and compare the performance of various heat stabilizer packages exposed to air oxidation.


1.1 This practice covers a means for estimating the resistance of polyolefin geomembranes to thermal aging in the presence of air.

1.2 This practice should be used as a guide to compare thermal aging characteristics of materials as measured by the change in some property of interest. This practice does not predict thermal aging characteristics where interactions between stress, environment, temperature, and time control failure.

1.3 This practice is useful for the development of formulations of polyolefin geomembranes.

1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

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.

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Book of Standards Volume: 04.13
Developed by Subcommittee: D35.02
Pages: 3
DOI: 10.1520/D5721-22
ICS Code: 83.080.20