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polishing, after dremel too

updated thu 6 mar 03

 

Marcia Kindlmann on mon 3 mar 03


Subject: polishing, after Dremel tooling?


I can use a Dremel tool to wet-grind a glaze blister on white stoneware
(cone 10) so that its surface is flush with the rest of the glaze. But
this ground-down surface is matte of course, not glossy like the rest of
the glaze, and the difference in texture can still be felt by us
potters' sensitive fingers. 320 emery paper, used wet, improves the
surface a little but not much.

Question: Is there any polishing agent that can be used to make the
matt surface of a ground-down blister really smooth like the surrounding
gloss glaze? I've tried cerium oxide on a muslin buff, no effect.

Ok, why don't I just treat the pot by throwing it out. The glazes I use
(layered, with flow patterns emerging in the firing) sometimes produce
such lovely results that I must keep the blistered pot and use it
myself. But I would like it to be smoother. And I would rather not
have blisters at all, but that is ANOTHER topic.

Thanks for help!

Marcia in CT where it's 16 degr.F on a sunny day in March

Marianne Lombardo on tue 4 mar 03


I've successfully used a rubbing compound (bought from the auto supply
section of Canadian Tire) to polish up the surface of glaze where I've had
to grind off a drip or bubble.

Marianne

> Subject: polishing, after Dremel tooling?
>

Charles Moore on tue 4 mar 03


Marcia,

There is an attachment with your email. Did this clear the Clayart
moderator?

Charles
Sacramento
----- Original Message -----
From: "Marcia Kindlmann"
To:
Sent: Monday, March 03, 2003 9:03 AM
Subject: polishing, after Dremel too


Subject: polishing, after Dremel tooling?


I can use a Dremel tool to wet-grind a glaze blister on white stoneware
(cone 10) so that its surface is flush with the rest of the glaze. But
this ground-down surface is matte of course, not glossy like the rest of
the glaze, and the difference in texture can still be felt by us
potters' sensitive fingers. 320 emery paper, used wet, improves the
surface a little but not much.

Question: Is there any polishing agent that can be used to make the
matt surface of a ground-down blister really smooth like the surrounding
gloss glaze? I've tried cerium oxide on a muslin buff, no effect.

Ok, why don't I just treat the pot by throwing it out. The glazes I use
(layered, with flow patterns emerging in the firing) sometimes produce
such lovely results that I must keep the blistered pot and use it
myself. But I would like it to be smoother. And I would rather not
have blisters at all, but that is ANOTHER topic.

Thanks for help!

Marcia in CT where it's 16 degr.F on a sunny day in March

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Des & Jan Howard on wed 5 mar 03


Marcia
These are my fave Dremel wheels:
85422 - SiC grinding stone - good for drops of glaze on shelves.
420 - Heavy duty cut-off wheels - used on glaze blisters/kiln dirt, leaves a semi-gloss finish.
425 - Polishing wheel - used after 420, leaves a gloss finish.
545 - Diamond wheel - slices big drops of glaze, can also be used to make jigsaw puzzles from
fluorescent tubes :)
Des


Marcia Kindlmann wrote:

> Subject: polishing, after Dremel tooling?
>
> Question: Is there any polishing agent that can be used to make the
> matt surface of a ground-down blister really smooth like the surrounding
> gloss glaze? I've tried cerium oxide on a muslin buff, no effect.

--

Des & Jan Howard
Lue Pottery
LUE NSW 2850
Australia
Ph/Fax 02 6373 6419
http://www.luepottery.hwy.com.au