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slip over bisque?

updated wed 24 oct 01

 

the art farm on tue 23 oct 01


does anyone have experience with using slip over bisque, and then
refiring to bisque temp ^04. i am covering red earthenware with low
fire white. ladybugs got into my claybody. they have left red pits
where they burn out. i am doing majolica style glazing ^06 and prefer a
white background.

thanks in advance

ken in kentucky
where i am just starting to get the hang of 'tapping'.

Cindy Strnad on tue 23 oct 01


Dear Ken,

I don't do majolica, but the usual method is to
use an opaque white glaze over red earthenware
(tin is the traditional opacifier, but I'm sure
zirconium will work). Then you paint your colors
onto the glaze. I highly recommend "The New
Maiolica" by Matthias Ostermann, which I purchased
from Steven Branfman at sbranfpots@aol.com . One
of the recipes therein reads:

Maiolica Glaze no. 1/Orton large cone 05 (1046
degrees C)

''This is my standard glaze, with a non-powdery
surface for brushwork, keeps decoration stable
over several cones of temperature . . . .''

Ferro frit 3124 60.0
Ferro frit 3195 10.0
Ball clay 6.5
EPK kaolin 6.5
Silica 4.0
Whiting 2.0
Zircopax 11.0

There's lots of other excellent information in
this book. You should get it.

Best wishes,

Cindy Strnad
Earthen Vessels Pottery
RR 1, Box 51
Custer, SD 57730
USA
cindy@earthen-vessels-pottery.com
http://www.earthen-vessels-pottery.com

Bacia Edelman on tue 23 oct 01


Ken, there are slips for wet or leatherhard clay
and there are slips, usually termed engobes, for bisqued ware.
The latter have less clay in the recipes.
Check out Val Cushing's handbook and Piepenberg's book, *The
Spirit of Clay* which list slips and engobes of many varieties.
You might fire to a lower cone for the second firing.
Good luck. (I am inundated with Asian ladybugs,which bite,
here in Wisconsin as well.)
Bacia


0/23/2001 -0400, you wrote:
>does anyone have experience with using slip over bisque, and then
>refiring to bisque temp ^04. i am covering red earthenware with low
>fire white.
>
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Bacia Edelman Madison, Wisconsin
http://www.mypots.com/bacia.htm
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