I read Fred S's post re 3m77-interesting. 
Regarding the hotbox.  I have heard that the heat treatment should be done after the epoxy has cured from one source and another said do the treatment while the epoxy is setting up.  Just looking for input.  My current method is to just throw an electric blanket over the bag and let it cook for a day or so.  If I can find some dead shop space, I may build a box.

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