Home Products 12.7×77 mm

Additional information

Single base one perforated propellant cylindrical grain contains Nitrocellulose (NC), Diphenylamine (DPA), Dinitrotoluene (DNT), Dibutyl Phthalate (DBP) and Potassium Sulfate. It is glazed with graphite.

  • This propellant is used in 12.7 × 77 cartridges
  • for spotting rifle of 106mm guns

Specification

TECHNICAL SPECIFICATIONS

PropertyValue
Length (mm)2.25 ± 0.1 mm
Diameter (mm)0.9 ± 0.1 mm
Hole Diameter (mm)0.19 ± 0.01 mm
Diphenylamine (DPA) (%)1-2 %
Graphite (%)≤ 0.2 %
Ash (%)≤ 0.1 %
Moisture & Volatiles (%)≤ 1.6 %
Heat of Explosion (cal/gr)980 ± 5
Stability at 134.5 °C (min)≥ 60

BALLISTIC SPECIFICATIONS

PropertyValue
Average Velocity (m/s)538 ± 7 m/s
Std. dev. of velocity (m/s)≤ 6 m/s
Average Pressure at +21°C (bar)≤ 2500 bar
Pressure of single round at 21°C, +71°C and -33°C (bar)≤ 2800 bar

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