Black powder is actually a minimal explosive product comprised of potassium nitrate (saltpeter), sulfur and charcoal. Though made use of as a propellant in fireworks and pyrotechnics, It is usually applied in some ammunition and muzzleloaders. Sulfur's key function in gunpowder is to minimize the ignition temperature. A sample response https://greatgotfirearms.com/product/goex-fffg-black-powder-1-lb-in-stock/