Table 6: Additivated formulations: coefficients and uncertainties for constant power law approximation of the regression rate. For baseline data, see Figure 6.

Formulation 𝑎 𝑟 𝑛 𝑟 𝑅 2

HTPB + 2.5% MgH2 0.031 ± 0.001 0.901 ± 0.005 0.956
HTPB + 7.5% MgH2 0.028 ± 0.001 0.918 ± 0.006 0.940
HTPB + 2.8% MgB 0.002 ± 0.001 0.981 ± 0.013 0.897
HTPB + 2.27% Mg + 1.4% MgB 0.032 ± 0.001 0.930 ± 0.006 0.935
HTPB + 2.5% MgH2 + 1.4% MgB 0.043 ± 0.001 0.825 ± 0.005 0.946

HTPB + 10% ALEX + 2% C 0.001 ± 0.001 1.687 ± 0.008 0.976
HTPB + 10% ALEX + 2% TiO2 0.001 ± 0.001 1.639 ± 0.009 0.952
HTPB + 10% L-ALEX 0.026 ± 0.001 0.883 ± 0.004 0.972
HTPB + 10% ALEX + 2% C + 2% Mg 0.006 ± 0.001 1.272 ± 0.006 0.970
HTPB + 5% MgH2 + 5% ALEX + 1% C 0.013 ± 0.001 1.088 ± 0.005 0.971