ian vonthaden on sun 11 mar 01
i am really unsure about the temperature, they might have misunderstood me
and given me a temperature in celcius, which being an american i am
completely unfamiliar with. but if need be i can try to push thier kiln and
get it up to a more desireable temperature to form glazes at.
thanks to all the people who are responding to my call for help
>From: Snail Scott
>Reply-To: Ceramic Arts Discussion List
>Subject: Re: need glazes/ advice for Albania
>Date: Sun, 11 Mar 2001 08:24:01 -0800
>At 11:35 AM 3/11/01 -0000, you wrote:
>they get there kiln up to about 800/900 degrees
> >ian von thaden
>That's way below 'cone' temperatures, not even
>red heat. I've seen 'native clay' earthenware
>fired that low, I think, but no glazes.
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Cindy Strnad on sun 11 mar 01
If you can get the kiln up to gold heat, you can fire some glazes. This will
need to be around 1820 or so. Fahrenheit. I don't know a lot of low-fire
glazes, but I'm sure someone here can come up with a simple glaze or two
consisting of ingredients available to you. All my low-fire glazes are heavy
on frits, which probably wouldn't be ideal for your situation.
Earthen Vessels Pottery
RR 1, Box 51
Custer, SD 57730
Martin Howard on mon 12 mar 01
Almost certainly that 800 was Centigrade.
It's about what we get up to in the Roman kiln at summer camp.
What is the geology near you? I think it is Carboniferous Limestone.
In which case there should be a lot of seams of lead.
That would provide you with a frit for the glazes, but DONT use it on food
Many Roman corpses have been found to have very high lead content and the
richer they were, the more lead they had, and the sooner they died,
according to archaeologists over here.
That is why I asked about Borax. Do you have any local seams of it?
Another possibility is P2O5 from bone ash, but you will have to raise the
temperature somewhat and then you would be in the range for using lime.
Do you have funds? Or would you like us to see if any charities would be
able to fund your project to help the potters over there? I'm thinking of
some Quaker Charities in the UK that might help.
Webb's Cottage Pottery
Woolpits Road, Great Saling
BRAINTREE, Essex CM7 5DZ