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sv: dark rings appearing from stacking ware in kiln

updated tue 16 nov 99

 

Alisa and Claus Clausen on mon 15 nov 99

------------------
Dear Arnold,
I am assuming you mean stacking in the bisque firing. I have found the =
contrary.
Where I place pieces on top of flat or stack small inside large, I find a =
light
ring where the wares touch each other. It totally disappears in the glaze
firing. This applies only to the terracotta body I use, not the stoneware.
Alisa in Denmark
-

----------------------------Original message----------------------------
Dear All:

Some time ago we had a discussion on stacking ware in
the kiln (i.e. cups stacked rim to rim, bowls placed
within other bowls, etc.).

Recently a friend told me that stacking ware is
unadvisable, because the carbon has difficulty
escaping. He has seen a dark ring where one bowl was
placed within another, indicating that the carbon
could not burn off. What has been your experience with
stacking ware? Have you seen these dark rings?

Thanks,

Arnold Howard
Mesquite, Texas
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