ORIGINAL KURTZ SYSTEM PHYSICAL PROPERTIES
Engineer Design Handbook, "Properties of Explosives of Military Interest"
(U.S. Army Material Command, January, 1971)

	ORIGINAL KURTZ SYSTEM	BLACK POWDER
Color	Yellow to black	black
Density	1.6-1.7 g/cc	1.75-1.8 g/cc
Bulk Density	.88-.90 g/cc (20-50 mesh)	1.05 g/cc (FFFG)
Heat of Combustion	718 cal/gm	684 cal/gm
Gas Volume of Combustion	300 cc/gm	271 cc/gm
Residue on Combustion	28% (water soluble)	42% (unreacted carbon)
Combustion Products	CO2, CO, N2, H2O,K2C03	CO2, CO, N2,H2S, K2SO4, K2

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ORIGINAL KURTZ SYSTEM STABILITY

	TEMP	WEIGHT LOSS
Kosanke tests	60C	0.1% (2 days)
	60C	0.5% (28 days)
Fraunhofer tests	75C	0.4% (2 days)
	75C	2.1% (28 days)
Holland test	110C	0.5%-0.6% (8-72 hrs.)
Bergmann-Junk test	132C	0.2% (2 hrs.)