sacredclay on fri 10 nov 06
But this is a cone six glaze.Are you saying that this is underfired?
I'm confused, as usual. Kathryn in NC where the temps keep flutuating
from breezy 60's to warm 80's. Argh!--- In clayart@yahoogroups.com,
Timothy Joko-Veltman wrote:
>
> On 11/8/06, sacredclay wrote:
> > Lili, Thank you. This is the kind of info I was looking for.When
you
> > say it's over the alumina limits of c.10-12, did you mean cone 10-
12?
> > Is possible that the MaO made it a little runny? It didn't quite
run,
>
> No, she's referring to the general "rule" that 0.3-0.4 alumina in a
> cone 10-12 glaze is all that is needed to keep it from over-melting.
> It is the high lithium and boron content that really flux this
glaze.
>
> Tim
>
>
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