[Stoves] RE: Phosphate bonding of clay and other speculations

[Crispin at newdawn.sz]

Dear Dean

Many thanks for experimenting.

The amount to add is 5% of the dry weight of the clay content.  That is a 
good start, and then work downwards to 3%.

If you are using NA-hexamataphosphate (precursor of detergent) that is the 
mix.  But if you have chickens, try some litter in various amounts and see 
what happens, using the same clay type each time so you can get a subjective 
difference.

If it goes well I will contract a few dilatometer tests from a lab using the 
recipes you like most.  That will give us thermal expansion rates which are 
of great interest to us all.

Regards
Crispin

----- Original Message ----- 
From: "Dean Still" <dstill at epud.net>
To: "'Crispin Pemberton-Pigott'" <crispin at newdawn.sz>; "'Stoves'" 
<stoves at listserv.repp.org>
Sent: Tuesday, June 06, 2006 6:04 PM
Subject: RE: [Stoves] Phosphate bonding of clay and other speculations


Dear Crispin,

I think that you might be right...we could run an experiment here, if you
want to design it?

Add phosphate to a brick compare it to a brick without?

All Best,

Dean



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