Snail Scott on sun 4 mar 01
At 09:46 PM 3/4/01 -0000, you wrote:
>Does anyone have a low fire base underglaze formula that is as flexible as
>the commercial underglaze? My students and I will be grateful.
>_________________________________________________________________
I have occasionally used this recipe:
Engobe for leather-hard: ^08-^1
(source forgotten)
24 EPK
26 ball clay
14 frit 3134
6 talc
20 silica
5 zircopax
5 borax
+ CMC
+ 20% stain or more
For application to dry clay, replace
the EPK with calcined kaolin.
-Snail
Diane Lamb-Wanucha on sun 4 mar 01
Can anyone help? I am a High School Ceramics teacher. Many of my projects
require colored underglaze. To make things simple I usually use Amaco
Underglazes. But as my classes get bigger the expense is too much. It would
help alot if I could mix my own base and add colorants. I have tried
several formulas that are formulated to apply to leather hard/greenware but
the the results chip before and after firing and are not opaque enough.
Does anyone have a low fire base underglaze formula that is as flexible as
the commercial underglaze? My students and I will be grateful.
_________________________________________________________________
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