Nils Lou on thu 25 feb 10
IMHO-WTF, biscuit temp needs only to be red heat or around C 012 for
most clay bodies. As Lili says, strong enough to handle for glazing.=3D20
That's the main reason to bisque.=3D20
If you think about it, the clay will go through C07, 06, 05, 04 in the=3D20
glosting--and so long as the glaze melt doesn't seal the surface any=3D20
organics will outgas on the way up. Some rutile glazes may pinhole, but
I think it is because they are too tightly packed in the final firing. I =
=3D
like to have=3D20
two fingers spacing pots generally for turbulent air flow. This will do =3D
more to
reduce pinholing than having a hot bisque which wastes energy.=3D20
nils lou, professor of art
http://nilslou.blogspot.com
www.tinyurl.com/bpc5nm
503.883.2274
"Play is the essence of creativity", and
"What is not brought forward into consciousness....
we later call Fate", Carl Jung
Edouard Bastarache on thu 25 feb 10
I bisque by the "nose and the eye".
I dont care at what temp. I turn
down the "heater" when I think
it is time to do so. I have been
doing that for 40 years. Never
had any problem.
I presume I bisque between
1600 and 1700 F.
That way I save cones..
The shop smells and the inside
of the kiln is between red to orange.
Thats the way I learned,,,
Gis,
Edouard Bastarache
Spertesperantisto (Lernu-Paris)
Sorel-Tracy
Quebec
http://edouardbastarache.blogspot.com/
http://www.flickr.com/photos/30058682@N00/
http://cerampeintures.blogspot.com/
http://albertpaintings.blogspot.com/
http://perso.wanadoo.fr/smart2000/index.htm
| |
|
