Externet Posted December 26, 2013 Share Posted December 26, 2013 I knew of heating pads that released heat when moistened and had to be regenerated by heating them for a certain time in an oven in order to be re-used endlessly. Today I bought one * that does not instruct to 'regenerate' but seems to work the same every time it is re-wetted. Is there two kinds, or am missing something ? * Cliking the picture allows ~reading the instructions----> http://www.armysurpluswarehouse.com/survival-disaster/reusable-chemical-heating-pad.html By the way, what is the chemical, if known ? Link to comment Share on other sites More sharing options...
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