[Clayart] Offgassing bisque

[Bryan Johnson]

AB What temp do you bisque?
RH  I'll try some tests next time I tumble bisque.

Bryan


On Sat, Jan 29, 2022 at 11:40 AM Antoinette Badenhorst <
porcelainbyantoinette at gmail.com> wrote:

> Bryan, what type of tumbler do you use? I wonder of yours do not suck in
> air as it tumbles.
>
> I tumble all my bisque shards for various purposes and do not experience
> anything like you describe.
>
> Best wishes,
> Antoinette Badenhorst
>
> PorcelainByAntoinette
> TeachinArt
> International Academy of Ceramics
> Mississippi Arts Commission
>
>
>
>
> > On Jan 29, 2022, at 5:59 AM, Bryan Johnson <bryj at cheqnet.net> wrote:
> >
> > That was my first guess, but it is way more than the water displacing
> the
> > air in the pores.
> > Bryan Johnson
> >
> >> On Fri, Jan 28, 2022 at 7:31 PM Robert Harris <robertgharris at gmail.com>
> >> wrote:
> >>
> >> If it's bisque, then I assume it's just air from the pores. Even if you
> wet
> >> it well first, some of the porosity will take a while to fill.
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