On Feb 22, 10:29*pm, Joseph Gwinn wrote:



Plaster is hopeless for anything orange hot. *Foam brick as used in
kilns would be a better choice. *One source is Sheffield Pottery:

http://www.sheffield-pottery.com/

Joe Gwinn

Another good source on the other coast is " Seattle Pottery ".

For heating elements think Kanthal. It will work at higher
temperatures than Nichrome but does have to be in a oxidizing
atmosphere. It is an Iron and aluminum alloy.

Dan