Composition 40 Potassium perchlorate 40 Titanium (mixed fines) 18 Dextrin 2 Propyl guarDescriptionGuar gum comes from the seeds of the legume Cyanopsis Psoralioides. It should be possible to substitue red gum. Source: rec.pyrotechnics. Original is by Bruce Snowden. Posted by Sweden <sweden@synchron.ct.se