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I need a fuel to ignite a paraffin log (eg: 'Presto' log)...

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Question by The Toolman
Submitted on 9/16/2003
Related FAQ: rec.pyrotechnics FAQ
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I need a fuel to ignite a paraffin log (eg: 'Presto' log) that is, in turn, ignited by a thermite fuse wire running through/past it.  It must be safe enough to be sold to the general public & can't be in powder form as it must be held in an open cardboard container.  The thermite wire itself, a commercial preparation ("Thermalite"), burns too fast to ignite the log when in contact.  I thought about match-head like compounds but don't know how to make/buy them.  Suggestions?
TIA


Answer by fire man
Submitted on 6/19/2004
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maby a smoke bomb mix? 60% saltpetre and 20% sugar melt it down will stick to most things lets off lots of smoke so can be seen and burn hot if you want more info just use a search engine

 

Answer by ???
Submitted on 10/9/2004
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if you want to make a fuse from matches get about 3 boxes of matches and scrape the sulpher from each
match and put it into a small amount of water so you can mash the sulpher up into a ball and get a piece of thin string as long as you want you fuse and rub the sulpher into the string make sure the string is completely coated with the sulpher and leave it to dry and if you get it right it will burn like a normal fuse and if you want it to burn slowly coat it in a thin layer of wax

 

Answer by boobie
Submitted on 4/27/2005
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lick my balls

 

Answer by ross
Submitted on 3/15/2006
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There have been many match compositions, most of them involving some sort of phosphorus. There are two types of phosphorus, white and red. White is extremely dangerous. It is so dangerous because it readily combines with oxygen, so if it comes in contact with your skin, it will suck up the oxygen in the moisture of your skin and spontaneously ignite. One match composition I can think of off the top of my head that doesn't contain phosphorous or one of its compounds:
Potassium Chloride-60%
Antimony Sulfide---20%
Dextrin------------20%
This composition is relatively dangerous because of the fact that it contains a chlorate and a sulfur molecule. Antimony compounds are also toxic, so caution is indicated. This composition is potentially sensitive to friction and impact (to some extent). It does, however, burn fast, but not as fast as the thermite composition you referred to. Maybe thermite burns so fast because its composition contains Ferric Oxide, a well known catalyst. I don't really know. I am not an expert on the subject. By the way, I just thought that I would bring up the fact that this information was written by a thirteen year old. Does that seem odd to you?
                  -3/15/06-

 

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