Production Rights: Throndec Industries, Shiar Throndec, Salnor
Functionality: Droid coating
Cost: 5000 per can (two cans for one battle droid; prices may vary, delivery possible for reasonable fee)
Spray the foam on the interior of a droid's armor. The chemical composition limits the ionization that reaches key parts of the droid. Precise, powerful (like from ship, vehicle, or artillery class cannons), or repeated ion blasts will still disable the droid.