coorey on mon 18 oct 99
Is there any one who knows about making underglazes??
Or know anywere on the net??
gelindo ferrin on tue 19 oct 99
I have a good recipe for making engobes if you would
like to try it :
equal parts:Feldspar potash,silica
,ballclay,kaolin.Then add appropriate percentages of
your colorant.;You can use this engobe for any
application,any type clay,but the colorsseem brighter
in hifire.Also ,be sure to mix when dry,and if it sits
around any length of time,mix again b/4you add
colorant and water.
--- coorey wrote:
> ----------------------------Original
> message----------------------------
> Is there any one who knows about making
> underglazes??
> Or know anywere on the net??
>
=====
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Gregory D Lamont on tue 19 oct 99
At 05:47 PM 10/18/99 -0400, you wrote:
>----------------------------Original message----------------------------
>Is there any one who knows about making underglazes??
>Or know anywere on the net??
I've had generally good results using a formula of 1/3 kaolin (I use EPK),
1/3 frit 3124 and 1/3 ceramic stain. This is mixed with liquid laundry
starch (I use Sta-Flo brand) to a thin yogurt consistency. Further
thinning is done with water, as necessary. Overglazing is done with a cone
04 clear glaze.
Greg
- Laura Moon on tue 19 oct 99
I have been using a white slip base and adding mason stains at 15%. Some
stains produce really good colors some not so good. I am still at the
testing phase, I seem to have a better fit if I apply the underglazes on
leatherhard ware with 2-3 coats. I use the2-3 coats to get the coverage I
like. I have tried applying on bone dry and get some cracking when I apply
2-3 coats. I have not yet tried applying on bisque thought do not think this
will work well. I am using a red earthenware clay and firing to ^08, then
applying a clear glaze and firing to ^03 with good results.
Hope this helps. Let me know if you find some magic.
Laura Moon in sunny warm South Florida
Marvin Flowerman on thu 21 oct 99
Gelindo:
How do you recommend applying your engobe recipe: wet clay, bone dry,
bisque, covered by other glazes, viscosity?
Answers to these questions would be helpful.
Many thanks.
Marvin Flowerman
marvpots@aol.com
Marvin Klotz on thu 21 oct 99
At 05:47 PM 10/18/1999 -0400, you wrote:
>----------------------------Original message----------------------------
>Is there any one who knows about making underglazes??
>Or know anywere on the net??
If you check the Clayart archives
at<> under the underglaze
category you will find quite a few entries that might interest you. I have
tried, and liked, the recipe originally sent in by Harold R. Deeley which
is discussed in entries:024437 dated 97.10.27 and 045028 dated 98.11.30. I
have used underglazes made up according to this recipe at cone 6 with quite
a bit of success. I did have to search around for a clear overglaze that
didn't bleach out the crimsons and pinks and at the same time not craze on
the clay I use.
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