Kim Gillis on mon 10 feb 97
There is also an excellent product on the market called "APT-II" (high-fire
only). Mix a few drops of the stuff with a little of the claybody to make a
slip and fill away. I recently successfully repaired a 1 inch hole in the
bottom of trimmed-through pot with a small patch and a big glob of the
stuff. Apparently it also works on bisqueware but I have not tried that.
It costs about $4.00 for a 2 oz bottle. Below is manufacturer info:
APT-II Product Company
PO Box 1766
Kerrville, TX 78029
1-800-922-2857
Happy mending,
Kim Gillis
Baltimore, MD
Richard mahaffey on sat 3 jan 98
Dear Fabienne,
We use a slip made of the clay body with cat tail plant fibers in it. We
mix it with vinegar for good measure. Use the fibers from the thick brown
part at the top of the plant. It is best if it is just about to go to
seed and the fibers are not so compressed together. Just put a generous
pinch or two in the slip ( enough so you can tell the fiber is in the
slip) and then apply it to the cracked area. If the crack reappears do it
once more. We then burnish it down for good measure.
We have had greatluck with this technique. Fred Olsen told us of this at a
workshop ( very good., by the way) and said he learned it from Vivika
Heino, I think.
We keep a ready supply in as many clay bodies as the students are using in
baby food jars. ( a little goes a long way.)
I believe that it works because the clay particles allaign themselves with
the cracked surface and so the crack reappears. The fibers help bridge
the gap and helps the fibers line up with the new surface.
Good luck,
Rick Mahaffey
Tacoma Community College
Tacoma Washington, USA
253-566-5260
rmahaffe@tcc.tacoma.ctc.edu
Talbott on sun 4 jan 98
Before you put too much time and money into repairing greenware
cracks... I would think twice... the cracks will worsen during the bisque
fire and worsen even more during the glaze fire... Avoid the cracks in
the first place... find out what you are doing wrong... Uneven drying,
drying too fast, lack of compression, and throwing or building too thick
being the most likely culprits... Once the cracks start then you can bet
they are there for good only to become worse... ...Marshall
101 CLAYART MUGS
2ND ANNUAL CLAYARTERS' GALLERY - NAPLES, MAINE (Summer 1998)
E-MAIL ME FOR AN APPLICATION
http://fmc.utm.edu/~dmcbeth/cag/naples.htm
Celia & Marshall Talbott, Pottery By Celia, Route 114, P O Box 4116,
Naples, Maine 04055-4116,(207)693-6100 voice and fax,(call first)
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