ExPen (ampoule-based technology) contains the same chemistry technology as DropEx bottles. The ExPen was designed for military, EOD, and security personnel primarily for easy carrying and for situations that do not require multiple tests.

ExPen Options:
  • Nitro Aromatic
  • Nitro Esters
  • Nitramines
  • Inorganic Nitrates
  • Urea Nitrate
  • Ammonium Nitrate
  • Inorganic Oxidants
  • Peroxide
  • Perchlorates