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glaze over glaze problem

updated wed 11 may 05

 

Fonda Hancock on mon 9 may 05


I hope I get some advice..I have tried to get the effects of MC6 glaze
licorice over dipped with waterfall or with brite sky and am running into
a glitch. I spray the licorice fairly lightly, but enough so that the area
glazes well. I have used licorice sprayed alone several times. Then I dip
the vase into waterfall or brite sky and the second glaze cracks and
flakes off in very large sheets. I can't really handle it enough to put it
in the kiln because if it doesn't fall off on its own accord, it will fall
off with any movement! Any ideas? Fonda in Tennessee where it is just
beautiful and my roses are blooming!

John Hesselberth on tue 10 may 05


On Monday, May 9, 2005, at 09:00 PM, Fonda Hancock wrote:

>
> I hope I get some advice..I have tried to get the effects of MC6 glaze
> licorice over dipped with waterfall or with brite sky and am running
> into
> a glitch.
Hi Fonda,

I have best luck with glaze over glaze when I apply the second glaze
when the first one is just dry enough to handle. I also usually dip the
first glaze and then spray or dip the second one. Sprayed glazes are a
bit fluffy on the pot and dry quickly. Spraying the base coat may not
be the best way to do it. But try dipping your second glaze as soon as
you pick the pot up out of your spray booth.

Regards,

John

Cindy Skillman on tue 10 may 05


Dear Fonda,

To follow up on John's comments, you might also find that your base glaze needs
to be less thick on the upper rim where you will over dip with your second glaze.
Glaze that is too thick will sheet off as you describe, and even if you manage
to get it into the kiln without accidents, it can fall off the pot during firing
and end up in a hard, shiny puddle on your kiln shelf.

Best wishes,
Cindy in SD

Chris Schafale on tue 10 may 05


Fonda,

In addition to what others have said, you may want to look at how high you
are bisquing your ware. Ware that is bisqued too high is not as absorbent,
and is less able to handle double-dipping. If you are bisquing at 04, for
instance, it might be helpful to drop back to 06 or even 08, if you plan to
do a lot of this kind of glazing. I have had the same experience, and
found that a lower bisque helped considerably.

Chris

Fonda Hancock on tue 10 may 05


Thanks to everyone, both on and off line. I really appreciate it and have
sort of figured out the I have been doing this (as my Naval captain father
would say) back-assward. I thought it would be important to let the first
glaze dry before applying the second glaze. Also it seems to be the
consensus that dipping would be a better application choice, which suits
me fine. Now I am anxious to give it a try. Especially thanks to Joe the
Potter who replied off line with some great MC6 ideas for double dipping.
This forum is wonderful, especially for those of us that have no real
ceramic training. Thanks so much from a grateful frequent lurker!