RustPEP documentation

Custom ingredients

Add an ingredient that is not in the built-in library.

Adding an ingredient

Use New ingredient on the Formulation page. You need:

Field Notes
Name Whatever you will search for later
Formula Element symbols and counts, for example C6 H14 O6
Heat of formation In calories per gram
Density In grams per cubic centimetre
Category Oxidizer, Fuel, Binder, Metal, Curative, Plasticizer, Additive or Other

Capitalize element symbols normally: Cl, Al, Na. Fractional counts are allowed.

Converting a heat of formation

Reference tables usually give the heat of formation in kJ/mol. To convert to cal/g, multiply by 239.006 and divide by the molar mass in g/mol:

ΔHf (cal/g) = ΔHf (kJ/mol) × 239.006 ÷ molar mass (g/mol)

Sharing ingredients

The Export page can save a recipe’s ingredients as PEPCODED.DAF records, which BurnSim 4 and other PEP-family programs can import. See Burn rate and BurnSim export.