S221
Medium burning spherical propellant for revolvers and pistols
Category:
Ball Propellant

Thermochemical Properties
| Propellant | Flame Temperature | Specific Energy | Heat of Explosion | Ratio of Specific heats | Covolume | Density | |||
|---|---|---|---|---|---|---|---|---|---|
| (K) | (°C) | (°F) | (J/g) | (J/g) | (Cal/g) | (Cp/Cv) | (cm³/g) | (g/cc) | |
| S221 | 3 291 | 3 018 | 5 465 | 1 092 | 4 242 | 1 014 | 1.231 | 0.990 | 1.57 |

