search  current discussion  categories  kilns & firing - raku 

unwanted lines on raku pots

updated wed 29 mar 06

 

Teri Lee on tue 28 mar 06


Does anyone have an idea how I can get rid of unwanted lines that appear on
the surface of my raku pots?

I use a combination of glazed and unglazed sections on my pots, and I get
very fine variegated horizontal lines that appear in the unglazed sections.
These lines break up the black on my pots, as some are darker than others.
It's almost as if the lines follow the motion of the rib that's used to
finish my pots in the trimming stage. The difference in black color also
seems to be reflected occasionally in differences in the glazed areas too
(again, in a horizonal direction). Has this happened to anyone else? Any
idea what causes it?

Marcia Selsor on tue 28 mar 06


I haven't had this happen exactly, but for a rich black, I put a
terra sig on the surface or pots.
I combine raw areas with glazed and like the full blackness I get
from the terra sig.
It does make the glaze go on thin. Have to build that up.

Marcia Selsor
http://marciaselsor.com

On Mar 28, 2006, at 9:31 AM, Teri Lee wrote:

> Does anyone have an idea how I can get rid of unwanted lines that
> appear on
> the surface of my raku pots?
>
> I use a combination of glazed and unglazed sections on my pots, and
> I get
> very fine variegated horizontal lines that appear in the unglazed
> sections.
> These lines break up the black on my pots, as some are darker than
> others.
> It's almost as if the lines follow the motion of the rib that's
> used to
> finish my pots in the trimming stage. The difference in black
> color also
> seems to be reflected occasionally in differences in the glazed
> areas too
> (again, in a horizonal direction). Has this happened to anyone
> else? Any
> idea what causes it?
>
> ____