1.1These test methods cover the standard materials, test formulas, mixing procedures and test methods for the evaluation of various types of acrylonitrile-butadiene rubber (NBR).

1.2The values stated in SI units are to be regarded as the standard. The values given 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 and health practices and determine the applicability of regulatory limitations prior to use.