Details: 5lb Potassium Nitrate Milled The most extensively employed oxidizer in pyrotechnics. It used for a wide variety of applications, the most important of which is in the manufacture of black powder. Potassium nitrate is a white powder or long needle-like crystals before being milled to a fine powder. *Packaging may vary from pictured, but guaranteed to be high barrier to ensure freshness and longevity.
