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RE: grog + clay and another question about clay


From: Fields, Linda (fieldsl_at_TeacherArtExchange)
Date: Mon Apr 05 2004 - 10:38:34 PDT

Jan-I believe grog is little ground-up pieces of firebrick that is added to provide room for expansion and contraction. I usually use a hole for hanging, as you do. If you use wire, it will need to be high-fire wire as anything else, like paper clips, will melt in the kiln. You could, however, make little grooves in the clay, then use E6000 or something to glue a paper clip or picture hanger on the back. Good luck. Linda in NC

-----Original Message-----
From: Hillmer, Jan []
Sent: Monday, April 05, 2004 1:31 PM
To: ArtsEdNet Talk
Subject: grog + clay and another question about clay

Being pretty new to working with clay, I have a few questions about grog - What is it, why do you use it, how much, does it change the firing temp? etc. I work with El. kids if it makes a difference. We have just been using clay straight out of the bag, but I remember wedging grog into the clay in HS.
How do you hang your projects - what type of hanging device do you use/create? I usually just poke a hole at the top for a nail or small piece of leather knotted together. Another teacher I know makes little button like pieces of clay,slightly flattened, with a horizontal depression (side of a pencil), She fires these buttons along with the project , and attaches them with E600 after firing. The depression forms a tunnel through which you can thread a string fof hanging. Is there some way to make a hanging device on the back, with clay, before firing? What about some type of bent wire?


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