1.1These test methods cover the determination of the time for rupture of notched specimens under conditions of constant force and temperature. These test methods also includes the essential requirements for testing equipment.

1.2The values stated in inch-pound units are to be regarded as the standard. The units 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.

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.