Single base seven perforated propellant cylindrical grain, 12/7 VA containing Nitrocellulose (NC) and Diphenylamine (DPA) and tubular propellants: 15/1-240 and 15/1-352 is a kind of single base propellant containing Nitrocellulose (NC) and Diphenylamine (DPA). 12/7 VA propellant is used for 125mm Heat and HE ammunition. This ammunition is used for 125mm gun fitted on T-72 8T-80 tank. 12/7 VA, 15/1-240 and 15/1-352 propellants are used in propelling charge in APFSDS ammunition for 125mm tank gun type T72
|
Type of propellant |
Seven perforated (12/7 VA) |
Tubular 15/1 – 240 |
Tubular 15/1 – 352 |
|
Length (mm) |
13.5 -15.6 |
235 - 240 |
344 -352 |
|
Hole diameter (mm) |
0.50 - 0.70 |
1.50 - 1.6 |
1.85 -2.0 |
|
Web thickness(mm) |
1.1 -1.25 |
1.45 -1.55 |
1.45 -1.55 |
|
Total volatiles (%) |
≤ 3.7 |
≤ 3.5 |
≤ 3.8 |
|
External moisture (%) |
1.0 -1.8 |
1.0 -1.6 |
1.0 -1.8 |
|
Residual solvent (%) |
≥ 1 |
≥ 1.3 |
≥ 1.3 |
|
Stability at 134.5 °C |
≥ 40 |
≥ 40 |
≥ 40 |
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