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nonslumping porcelain

updated sat 30 nov 96

 

Sue Lily on tue 5 nov 96


>
>----------------------------Original message----------------------------
>I've just unstacked a kiln with several large round porcelain covered
>jars-------16 to 20 pounds each and sitting on ~ 4 inch bases, at least before
>the firing. They have slumped horribly. In the process of destroying them I was
>able to see that the clay was not " too " thin, between 1/4 and 5/16 inch. The
>clay body was a commercial one, Miller 550 and the cone was a hard 10.
>
>Does anyone have suggestions as to how to alter this body to allow these
>pots to
>be made, or can someone suggest another clay body to use for large work?

I learned from Tom Coleman to make grog from porcelain dust. Fire it, and
wedge it back in to the soft porcelain - voila, porcelain with tooth! :^)

Sue Lily
lily@mind.net
Ashland OR