Originally Posted by
arcticap
Sulphur is added to BP to lower the ignition temperature.
Believe it or not there's a powder that uses only two of the ingredients of black powder which omits the sulphur and it works almost the exact same.
It's only ingredients are ~85% saltpeter and ~15% charcoal by volume.
http://thefiringline.com/forums/showthread.php?t=450111
OK, That is just plain COOL !!!