[Jewelry making - Article 00470] - Re: [Orchid] Dust and static electricity explosions

[John Donivan]

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>     has anyone ever heard of a polishing machine involved in an
>     explosion? Of course they are highly susceptible to fires due to
>     build up. 

    Richard, in order for there to be an explosion, the dust must be
    flammable. The typical dust in a polisher is non-flammable - it's
    basically dirt. I have seen a polisher fire before, and it was the
    bits of cotton buff and the like that were on fire. Plus it was a
    very small fire, and I believe someone dropped a piece and it broke
    the light bulb, which started it. It could be that someone might use
    the machine with wheat powder or whatever for their own reasons,
    which would be different. But tripoli and rouge - no. 

http://www.donivanandmaggiora.com
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