[Stoves] A heat-resistant insulation mix

[larry winiarski]

Thanks Frans

I did not That!

sodium silicate is called water glass But I read recently potassium silicate is also called water glass. I also heard that Potash made from human Urine (chamber lye) contains po tassium nitrate, a key component of gunpowder. During the american civil war the South was short of potasium so the confedera te  army  in Atlanta Georgia requested all the women to save their "chamber Lye" and the army would collect it to-- soak and then burn straw to make potassium nitrate. (Nitre)??

Their is a funny song about this. Google to find "mudcat cafe "and search for a song called "chamber lye"

Larry
  ----- Original Message ----- 
  From: Frans Peeters 
  To: 'Discussion of biomass cooking stoves' 
  Sent: Tuesday, August 09, 2011 3:33 PM
  Subject: Re: [Stoves] A heat-resistant insulation mix


  Larry

   

    Potasium salt !  

  Potasium chloride salt cement is used with quartsite to make mais mill stones .

  Strong it must be .

   

  Regards

  Frans

   


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  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

   

  Xavier

   

  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 posted

   

  God Bless

   

  Larry



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