[Stoves] A heat-resistant insulation mix
peetersfrans at telenet.be
Tue Aug 9 15:33:10 PDT 2011
Potasium salt !
Potasium chloride salt cement is used with quartsite to make mais mill
Strong it must be .
Van: stoves-bounces at lists.bioenergylists.org
[mailto:stoves-bounces at lists.bioenergylists.org] Namens larry winiarski
Verzonden: dinsdag 9 augustus 2011 8:04
Aan: Discussion of biomass cooking stoves
CC: Jon Anderson
Onderwerp: Re: [Stoves] A heat-resistant insulation mix
Jon anderson and wife Flip been making making many self firing clay /organic
mixes --adding some form of potassium salts to a bout 50-50 volume mix of
clay organic. they have got potash water from leaching wood ashes. Horse
dung with urine also seems to work well. If you increase the draft
temporarily with a chimney extension and fire hard for several hours. the
stove becomes a miniture kiln and vitrifys the inner linning to brick. The
potassium appears to act as a flux to lower the temperature at which the
clay will vitrify. I think others on the stove list (Crispin?) have made
similar suggestions It looks very promising Check what Jon and flip have
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