Well, yes. Borates may be non-toxic, but how cleanly do you think a boron fill in this kind of configuration could burn in air?
Think about it! ItÂ’s completely out of the question !
BTW, the answer to the operative question is: Poorly.
Contrariwise.
http://mineralsciences.si.edu/staff/pages/vicenzi/Dreizin%20et%20al%20Combustion&Flame1999.pdf
explains EXACTLY how to make a Boron-burning fake ... INCLUDING air .. and INCLUDING a heating resistor.
Alan
