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is it possible to do a reduction firing in an electric

updated thu 23 dec 04

 

Arnold Howard on tue 21 dec 04

kiln? newbie needs help!

You can do reduction in an electric kiln by confining the reduced atmosphere
to a sagger.

Sincerely,

Arnold Howard
Paragon Industries, L.P., Mesquite, Texas USA
arnoldhoward@att.net / www.paragonweb.com

From: "maria chavarria"
> a friend of mine gave me some cone 10 glazes that he said need to be fired
> in reduction.
> but i only have access to an electric kiln, and am veeeery new to the
> firing process. is there any trick that will allow me to fire in my kiln?
> any temperature changes, or anything i can try?

David Hewitt on wed 22 dec 04

kiln? newbie needs help!

Maria,

It is possible to get a reduction effect with some glazes by adding
silicon carbide to the recipe. Results are, however, variable.

You could, for example, take a known transparent glaze and add 2% of red
iron oxide and 1% of fine silicon carbide ('fine' meaning at least 1200
mesh) and fire in your electric kiln to your normal firing cycle.

Obviously in this type of firing it is only the glaze which is reduced,
whereas with Celedons fired in a flame kiln also have a colour response
which comes from iron in the clay body.
--
David Hewitt

Web:- http://www.dhpot.demon.co.uk