12.7×108 mm (Dushka)

12.7×108 mm (Dushka)

Single base seven perforated cylindrical grain contains Nitrocellulose (NC), Diphenylamine (DPA), Dibutyl Phthalate (DBP) and Potassium Salt. It is glazed with graphite. This propellant is used in 12.7 ×108 cartridges for DShK machine gun.

TECHNICAL SPECIFICATIONS

Length

3.25 ± 0.15 mm

Diameter

2.2 ± 0.2 mm

Hole diameter

0.2 ± 0.05 mm

Web thickness

0.4 ± 0.05 mm

Graphite

≥ 0.4 %

Ash

≥ 0.4 %

Residue Solvent

≥ 0.6 %

External Moisture

1.0-1.8 %

Total Volatile

≥3.5 %

Stability at 134.5 °C

≥ 60 min

 

BALLISTIC SPECIFICATIONS

Total charge

~ ? gr

Average Velocity (HEI)

828 ± 7 m/s

Std. dev. of velocity

≥ 8 m/s

Average Pressure× at +21°C

≥3200 bar

Pressure× of single round at 21°C, +71°C and -33°C

≥ 3500 bar

 

Catalog
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