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Ben 12-22-2009 11:52 AM

granite oven?
 
I was wondering if a oven could be built with granite cobblestones. They are very old and very dense. I want to put them to good use, but was worried about them exploding if heated. I am a total newbie.
Thanks

Ammora 01-19-2010 01:00 AM

Re: granite oven?
 
Hi...
I've tried MARBLE as the hearth and it did not crack or explode (300C)
i was satisfied, i thought also about granite but i didn't
try it i have the feelings that it will work
the thermal conductivity of the MARBLE is around 2.5 W/mK
and for the granite is 1.7 to 4 so they hold a good amount of
heat.
good luck

Ammora 01-26-2010 01:51 PM

Re: granite oven?
 
Quote:

Originally Posted by Ammora (Post 77943)
Hi...
I've tried MARBLE as the hearth and it did not crack or explode (300C)
i was satisfied, i thought also about granite but i didn't
try it i have the feelings that it will work
the thermal conductivity of the MARBLE is around 2.5 W/mK
and for the granite is 1.7 to 4 so they hold a good amount of
heat.
good luck

also check this out

YouTube - Can heat crack granite? - Granite Shorts Ep.2


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