scope:

This test method^{2, 3} covers determination of the yield stress of heterogeneous propellants, both of the gel and emulsion types, containing from 0 to 70 % solid additives.

The values stated in SI units are to be regarded as the standard. In cases where materials, products, or equipment are available in inch-pound units only, SI units are omitted.

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.

² This test method is identical in substance with the JANNAF method, "Heterogeneous Propellant Characterization, Part III, Procedure for Measuring Yield Stress of Heterogeneous Propellants," published by the Chemical Propulsion Information Agency, July 1969, Johns Hopkins University, Applied Physics Laboratory, Johns Hopkins Rd., Laurel, MD 20810.

³ ASTM Committee F07 on Aerospace and Aircraft maintains a continued interest in this test method and will make use of it in the future.