1.1 Scope-This specification covers various types, classes, and grades of flexible graphite material in which valve media temperatures are limited to a maximum of 966°C. Where this specification is invoked as ASTM F2168, Sections 1 - 18 apply. Where this specification is invoked as ASTM/DoD F2168, Sections 1 - 18 and the Supplementary Requirements apply.

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

1.3 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.