A low explosive consisting of an intimate mixture of potassium or sodium nitrate, charcoal, and sulfur. The powder is easily ignited and is sensitive to friction
NFPA 1126 Standard for the Use of Pyrotechnics Before a Proximate Audience, 2006 ed. http://www.nfpa.org/codes-and-standards/document-i nformation-pages?mode=code&code=1126, (Std: Use of Pyrotechnics Before a Proximate Audience - Amer) {380 NFC}