Single base seven perforated cylindrical grain contains Nitrocellulose (NC), Diphenylamine (DPA) and additives. It is used in 40mm L60 Bofors gun. ● Single base one perforated cylindrical grain contains Nitrocellulose (NC), Diphenylamine (DPA) and additives. It is used in 40mm L70 ammunition (for Bofors 40mm naval gun or similar guns).
|
Type |
L60 |
L70 |
|
Length (mm) |
5 ± 0.3 |
6 ± 1 |
|
Diameter (mm) |
2.6 ± 0.2 |
1.8 ± 0.2 |
|
Hole diameter (mm) |
0.2 ± 0.05 |
0.25 ± 0.1 |
|
Web thickness (mm) |
0.5 ± 0.1 |
0.8 ± 0.15 |
|
Diphenylamine(%) |
1-2 |
1-2 |
|
Graphite (%) |
≤ 0.4 |
≤ 0.4 |
|
Moisture & Volatiles (%) |
0.4-2 |
0.4-2 |
|
Heat of explosion (cal/gr) |
≤ 800 |
≤ 900 |
|
Stability at 134.5 °C (min) |
≥ 40 |
≥ 40 |
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