I've still got a few big Halon-charged units whose
gauges say they're
fine, but I know that Halon's a no-no because it eats a hole in the
sky.
For the stationary room-flooding fire extinguisher installations, they now have other
gases/mixtures such as Argon, Novec 1230, Inergen or Argonite. I don't know if these
are also used in hand-held fire extinguishers.
--
Arno Kletzander
Stud. Hilfskraft Informatik Sammlung Erlangen
www.iser.uni-erlangen.de
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