Tin sheet, greased with white.

Edit Time Cube. They are recovered for reuse. STATISTICS FOR EACH BOOSTER THRUST AT LIFT-OFF 11 790 kilonewtons (2 650 000 pounds) Vacuum: 2100 kilonewtons (470 000 pounds) PROPELLANT Atomized aluminum powder (fuel), 16 percent Ammonium perchlorate (oxidizer), 69.83 percent Iron oxide powder (catalyst), 0.17 percent (varies) Polybutadiene acrylic acid.