Table 1: Baseline (HTPB) solid fuel formulation and ingredients density.

Component (shorthand notation) Mass fraction, % wrt fuel mass Density (kg/m3) Supplier

HTPB-R45 79.0 901 Avio
DOA 13.1 920 Carlo Erba
IPDI 7.67 1061 Carlo Erba
TIN 0.23 1321 Carlo Erba

HTPB binder 100 915