Single base one perforated cylindrical grain contains Nitrocellulose (NC), Diphenylamine (DPA) and additives. It is glazed with graphite. This propellant is used in 20mm cartridges for Oerlikon anti-aircraft gun.
| Property | Value |
|---|---|
| Length | 1.5 ± 1.8 mm |
| Hole diameter | 0.1 - 0.2 mm |
| Diameter | 1.2 - 1.5 mm |
| Diphenylamine (DPA) | 1 - 2% |
| Heat of explosion | Max. 900 cal/gr |
| Moisture & Volatile | ≤ 1.5% |
| Ash | ≤ 0.4% |
| Stability at 134.5°C | ≥ 40 min |
| Property | Value |
|---|---|
| Total charge | ~ 58 gr |
| Average Velocity (HEI) | 1050 ± 15 m/s |
| Standard deviation of velocity | ≤ 8 m/s |
| Average Pressure at +21°C | ≤ 4200 kg/cm² |
| Pressure of single round at +21°C, +71°C and -33°C | ≤ 4500 kg/cm² |
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