Re: NANFA-- Heat packs

R. W. Wolff (
Sat, 25 Nov 2000 21:44:35 -0600

Heat packs are little packages of some chemicals when exposed to air or a
metal disc is bent causes a chemical reaction and gives of heat in the low
100's for atleast half a day. They are used as hand warmers for hunters,
and for shipping live fish and herps in cold weather.


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