The leak detection compound covered by this specification is military unique. This specification is the industry standard for this compound. No commercial equivalent exists. This compound assures the purity of military aviators' breathing systems by prohibiting the introduction of contaminants. This assures the safety, health, and compatibility of oxygen gas with the variety of methods used in military aircraft. It also assures the stability of breathing systems during military operations (bombing, air-to-air combat evasive maneuvering, etc.). These extreme conditions are not found in commercial applications.