Leigh Whitaker on thu 3 may 07
In a message dated 5/3/2007 11:13:44 P.M. Eastern Daylight Time,
Mudpitnyc@AOL.COM writes:
Leigh,
Pushing the drying on plaster will shorten the life of it. Some heat sources
will hurt it less like a fan or lights or even the sun but an oven or
microwave will shorten the life the most.
Oh, I should clarify. It's already cured, I've been using it for months
now. It's just wet because I dried some clay out on it. I've got another batch
of clay to dry and I wanted to speed the drying up. So are you talking
about drying the plaster or curing the plaster, or both?
Thanks!
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Leigh Whitaker on thu 3 may 07
Can I put my plaster wedging board in the oven on warm to help dry it out,
or would that break it down? I've got it under a fan right now, but it's so
damp that it's taking forever to dry out.
Thanks,
Leigh
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Cindy Gatto on thu 3 may 07
Leigh,
Pushing the drying on plaster will shorten the life of it. Some heat sources
will hurt it less like a fan or lights or even the sun but an oven or
microwave will shorten the life the most.
Cindy Gatto & Mark Petrin
The Mudpit
228 Manhattan Ave
Brooklyn, NY 11206
718-218-9424
_www.mudpitnyc.com_ (http://www.mudpitnyc.com/)
mudpitnyc@aol.com
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Lauren Bellero on fri 4 may 07
Cindy Gatto wrote:
>Pushing the drying on plaster will shorten the life of it.
> ... oven or microwave will shorten the life the most.
i didn't know plaster had a life span.
what are the symptoms and effects of failing plaster?
does it just dry out and start to crumble or flake?
i have a decades old plaster wedging board.
sometimes it gets fuzzy, i assume from
the moisture contributing to mold. i just wipe it away.
my younger ones do this too, but not as much as the
old one. no effect on the clay.
--
Lauren Bellero, Mudslingers Pottery
http://mudslingerspottery.net
Red Bank, NJ
Lynne and Bruce Girrell on fri 4 may 07
Leigh Whitaker wrote:
>Can I put my plaster wedging board in the oven on warm to help dry it
>out,...
No higher than 130 degrees F. The lowest temp that I can set my oven to is
170, and I would guess that your oven is similar, so no, don't use the oven.
Here is USG's info page on drying plaster.
http://www.plastermaster.com/usg/drying.htm
Interestingly, this implies that you could end up calcining plaster molds if
you left some in a car on a hot day.
Bruce Girrell
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Leigh Whitaker on fri 4 may 07
In a message dated 5/4/2007 7:41:41 A.M. Eastern Daylight Time,
lsvbrownsugar@HOTMAIL.COM writes:
No higher than 130 degrees F. The lowest temp that I can set my oven to is
170, and I would guess that your oven is similar, so no, don't use the oven.
Here is USG's info page on drying plaster.
http://www.plastermaster.com/usg/drying.htm
Interestingly, this implies that you could end up calcining plaster molds if
you left some in a car on a hot day.
Bruce Girrell
Okay thanks! That's a good information page to have!
Leigh
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