Propelan Formula

Propellant 1 (Dec. 26, 2003)
• 19.27% (20%) R20LM HTPB
• 19.27% (20%) Magnesium (-650 to 1000 mesh)
• 57.8% (60%) PSAN-I Blend C Ammonium Nitrate
• 3.66% (Curing ratio = 0.19) Mondur MR MDI Curing Agent
• Burn rate coefficient = 0.0061
• Burn rate exponent = 0.507
• Propellant density = 0.0527 lbm/inch**3
• C-star range = 4100 to 3300 feet/second depending on motor size.
• Gamma = 1.23




Propellant 2 (Dec. 26, 2003)
• 19.27% (20%) R45HT or R45M HTPB
• 19.27% (20%) Magnesium (-650 to 1000 mesh)
• 57.8% (60%) PSAN-I Blend C Ammonium Nitrate
• 3.66% (Curing ratio = 0.19) Mondur MR MDI Curing Agent
• Burn rate coefficient = 0.0032
• Burn rate exponent = 0.6
• Propellant density = 0.0527 lbm/inch**3
• C-star range = 4100 to 3300 feet/second depending on motor size.
• Gamma = 1.23