Adding Fuel type

[Dhal1a]

Hi, I am trying to setup polyurethane in my file,

I used to use FDS over 10 years ago and I admit I am very much out of touch now, so would greatly appreciate help
ERROR: Simple chemistry fuel, POLYURETHANE, not defined on REAC or SPEC.

WP1_1_SLOW.txt

[mcgratta]

You need to provide a definition of POLYURETHENE, either on the REAC line or SPEC line. For example, you have to define the C, H, O