Standard Historical Last Updated: Sep 24, 2015
ASTM D1171-99(2007)

Standard Test Method for Rubber Deterioration—Surface Ozone Cracking Outdoors or Chamber (Triangular Specimens)

Standard Test Method for Rubber DeteriorationSurface Ozone Cracking Outdoors or Chamber (Triangular Specimens)
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Significance and Use

Molded or extruded rubber products must withstand the effects of ozone cracking and outdoor weathering for satisfactory use. This test enables a simple comparison of performance to be made under specified test conditions, either in a laboratory test chamber or in an outdoor test. No direct correlation between test performance and service performance can be claimed due to the wide range of service conditions.


1.1 This test method permits the estimation of the relative ability of rubber compounds used for applications requiring resistance to outdoor weathering or ozone chamber testing.

1.2 This test method is not applicable to materials ordinarily classed as hard rubber, but is adaptable to molded or extruded soft rubber materials and sponge rubber for use in window weatherstripping as well as similar automotive applications.

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. For a specific hazard statement, see Note 1 and 8.1.

Note 1—WarningOzone is a hazardous chemical.

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Book of Standards Volume: 09.01
Developed by Subcommittee: D11.15
Pages: 4
DOI: 10.1520/D1171-99R07
ICS Code: 83.060