Category Archives: Pyrotechnics

Black Powder

Introduction Black powder or Gunpowder is an explosive pyrotechnic composition comprising of charcoal (C), sulphur (S) and potassium nitrate (KNO3, also known as saltpetre). Black powder is classed as a low explosive due to its relatively slow (sub-sonic) combustion or deflagration rate when compared with that of high explosives (super-sonic combustion rate) such as TNT. … Continue reading Black Powder