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Ballistite is our best example of a double-base powder. It is composed of 60 percent nitrocellulose; 39 percent nitroglycerine; 0.75 percent diphenylamine; coating graphite.
It may be found in use as a propellant for trench mortar ammunition and as a propellant for shotgun shells.
It is of satisfactory stability, the oily nitroglycerine content overcoming hygroscopic tendencies of the nitrocellulose.
TM 9-1904, Ammunition Inspection Guide (1944)