Single base one and seven perforated propellant cylindrical grain contains Nitrocellulose (NC), Diphenylamine (DPA), Dinitrotoluene (DNT), Dibutyl Phthalate (DBP) and Potassium Sulfate. The powder charge consists of seven charges. One perforated propellant is used for charges NO.1-2 and seven perforated propellants for charges NO.3-7. This powder charge is used for 105mm HE ammunition.
Technical Specifications
| Property | One Perforated | Seven Perforated |
|---|---|---|
| Length (mm) | 6 ± 1 | 9 ± 1 |
| Diameter (mm) | 1.2 ± 0.1 | 4 ± 0.2 |
| Hole diameter (mm) | 0.4 ± 0.05 | 0.6 ± 0.1 |
| Web thickness (mm) | 0.40 ± 0.05 | 0.56 ± 0.1 |
| Total volatiles (%) | ≤ 1.6 | ≤ 1.8 |
| Moisture (%) | 0.6 ± 0.2 | 0.6 ± 0.2 |
| Residual solvent (%) | ≤ 0.8 | ≤ 1.0 |
| Stability at 134.5°C (min) | ≥ 40 | ≥ 40 |
Ballistic Specifications
| Property | One Perforated | Seven Perforated |
|---|---|---|
| Total charge (gr) | ~ 280 | ~ 960 |
| Average Velocity (m/s) | 216 ± 5 | 471 ± 5 (Full Charge) |
| Std. dev. of Velocity (m/s) | ≤ 1.8 | ≤ 1.8 |
| Average Pressure at 15°C (bar) | - | ≤ 2450 (Full Charge) |
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