vince pitelka on wed 24 oct 01
> Engobe isn't really one thing, any more than a
> glaze is. It's a whole range of things, covering
> most of the range between plain 'ol slips and
> actual glazes. You could think of most engobes as
> slips with additives and modifiers.
Snail -
It is true that there is lots of ambivalence concerning the true definition
of the word engobe, but many people in ceramics today agree that engobe
refers to a specialized slip for application to bone-dry or bisque-fired
wares. In contrast, the word "slip" can apply to a broad range of
suspensions including anything from a simple clay/water mixture to a
conventional glaze. In technical ceramics, a slip is simply a liquid
suspension of ceramic materials.
Best wishes -
- Vince
Vince Pitelka
Appalachian Center for Crafts
Tennessee Technological University
1560 Craft Center Drive, Smithville TN 37166
Home - vpitelka@dtccom.net
615/597-5376
Work - wpitelka@tntech.edu
615/597-6801 ext. 111, fax 615/597-6803
http://www.craftcenter.tntech.edu/
Snail Scott on thu 25 oct 01
At 08:36 PM 10/24/01 -0500, you wrote:
>...the word "slip" can apply to a broad range of
>suspensions including anything from a simple clay/water mixture to a
>conventional glaze. In technical ceramics, a slip is simply a liquid
>suspension of ceramic materials.
>Best wishes -
>- Vince
The multiple uses of the word 'slip' are often
a cause for some confusion. There's slip, as in
the runny form of your regular clay, used for
joining, decorating, or as a throwing lubricant.
There's casting slip, which is a very specialized
thing. Then there's the broad definition which
you mention, which though correct is almost too
general to be of use in discussion. So yes, I
agree that any engobe (or glaze) technically is
a slip, but I find it helpful to use the first
definition above (liquid clay) as a starting
point for most basic explanations of engobes
and glazes. (I hope I didn't confuse anyone.)
-Snail
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