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Lesson Plans


Re: firing and glazes

[ Thread ][ Subject ][ Author ][ Date ]
KATHY K (KATHALEEN_KERN)
Tue, 2 Mar 1999 16:14:52 -0800

From: tc
Dear Scarlett,
I have had drippy glazes when the glaze is overfired. The crackling after
the cooling comes from glazes that don't fit with the body of the clay.
Kathy

----------
> From: ScarlettRB
> To: artsednet.edu
> Subject: firing and glazes
> Date: Monday, March 01, 1999 2:14 PM
>
> I have been firing pottery for a long time.............about 13
> years.................but something happened the last time that I fired
that I
> have never had to happen before. I used some glazes that I had never
used
> before so I don't know if that caused it or not.
> What happened is that the glazes dripped ALOT.........I mean ALOT!!!!
Some
> of the pottery had long drips hanging off of them and some were stuck to
> stilts. Also after removing completely cooled pottery from the kiln the
> glazes began to crackle.............some excessively. I have never had
this
> to happen before. It was very disappointing to me as well as to the
students.
> Does anyone have any idea what may have caused this? Any ideas would be
> greatly appreciated!
>
> Thanks so much! :)