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bisque mending

updated sun 26 feb 12

 

Dan Saultman on fri 24 feb 12


Hello everyone,

Does anyone have a patching recipe or experience patching a blow-out
in a bisque fired pot?
I need a repair that will hold up while being glazed and high-fired.
I bisque at 04, glaze at 10 redux.

The damage is a mini-conical-shaped hole the size of a small pea on a
vertical surface of a beveled serving tray - it is only partially
through the clay wall.

I have made some calcined, bisque-fired powder from the clay body I
use - fired at the same temperature as the bisqued pot I need to
repair. I plan to mix up a paste of this fired clay powder with
water, wet the area and apply it to the damaged area with a small
spatula. I worry, however, that I might need some kind of flux added
to this patching compound - Like a pinch of frit? Gerstley Borate
maybe? A little drop of CMC gum?

Thanks,

Dan

Dan Saultman
Detroit
http://www.saultman.com

VeenaRaghavan@CS.COM on fri 24 feb 12


Hi Dan,

I have mended bisque fired pots with a mix of powdered bisque from the same
clay, toilet paper pulp mixed with Malcolm's holy water, and unfired clay
of the same body. Mixed into a paste (sorry, I mix the paste by eye and fee=
l,
until I have what I feel is the right mix) and fill the area (also use to
attach a broken piece), let it dry, scrape off the excess, add more if
necessary, scrape again, until it is totally filled and smooth, then refire=
in
bisque. This has worked for me. If you need the recipe for the Holy Water, =
let
me know, although you will find it in the archives.

Good luck.

Veena


In a message dated 2/24/2012 8:14:20 PM Eastern Standard Time,
design@SAULTMAN.COM writes:
>
> Hello everyone,
>
> Does anyone have a patching recipe or experience patching a blow-out
> in a bisque fired pot?
> I need a repair that will hold up while being glazed and high-fired.
> I bisque at 04, glaze at 10 redux.
>
> The damage is a mini-conical-shaped hole the size of a small pea on a
> vertical surface of a beveled serving tray - it is only partially
> through the clay wall.
>
> I have made some calcined, bisque-fired powder from the clay body I
> use - fired at the same temperature as the bisqued pot I need to
> repair. I plan to mix up a paste of this fired clay powder with
> water, wet the area and apply it to the damaged area with a small
> spatula. I worry, however, that I might need some kind of flux added
> to this patching compound - Like a pinch of frit? Gerstley Borate
> maybe? A little drop of CMC gum?
>
> Thanks,
>
> Dan

VeenaRaghavan@cs.com

Lisa Elbertsen on sat 25 feb 12


Hi Dan,

I do not have a recipe but I picked up some Patch-A-Tatch made by Duncan a
few years ago and kept it just in case. I just used it this week for the
first time on bisque (cone 06 bisque, cone 5 glaze) and it worked!

Regards,
Lisa

Website: www.LisaElbertsen.com
Blog: www.sunnydazedesign.blogspot.com
Facebook: www.facebook.com/sunnydazedesignstudio



-----Original Message-----
From: Dan Saultman [mailto:design@SAULTMAN.COM]
Sent: February-24-12 5:03 PM
Subject: Bisque mending

Hello everyone,

Does anyone have a patching recipe or experience patching a blow-out
in a bisque fired pot?
I need a repair that will hold up while being glazed and high-fired.
I bisque at 04, glaze at 10 redux.

The damage is a mini-conical-shaped hole the size of a small pea on a
vertical surface of a beveled serving tray - it is only partially
through the clay wall.

I have made some calcined, bisque-fired powder from the clay body I
use - fired at the same temperature as the bisqued pot I need to
repair. I plan to mix up a paste of this fired clay powder with
water, wet the area and apply it to the damaged area with a small
spatula. I worry, however, that I might need some kind of flux added
to this patching compound - Like a pinch of frit? Gerstley Borate
maybe? A little drop of CMC gum?

Thanks,

Dan

Dan Saultman
Detroit
http://www.saultman.com