If my memory of O Level chemistry classes is anything to go by, the idea was that you used a piece of Magnesium ribbon to ignite it. I don't recall Manganese Dioxide being part of the recipe. On Thu, Sep 20, 2018 at 10:20 PM Eric Smith via cctalk <cctalk@classiccmp.org> wrote: > > Anyone have advice on making thermite? Ingredients, sources, proportions? > > The internet seems to think that just using aluminum powder with ferric > oxide is relatively hard to ignite, and that some manganese dioxide would > help with that. > > Without spending too much time shopping, it looks like I can get: > * aluminum powder, 5 micron, 2 lb for $34 > * ferric oxide, 10 lb for $27 > * manganese dioxide, 1 lb for $39
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