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stoneware, microwave, hot?

updated sun 9 sep 01

 

Wade Blocker on fri 7 sep 01


Kurt,
I do not know the answer, but pyroceram - Corning ware,which is
specifically made for use in the microwave, gets hot enough that the only
way to handle it is with a kitchen towl. Mia in ABQ

Kurt Wild on fri 7 sep 01


Been searching the archives and can't find an answer. Seems to me that at
one time it was posted (on Clayart) that if a stoneware piece feels hot
after heating it in a microwave (with food on it), that is an indication of
something? My question - indication of what about the stoneware piece?

Kurt

Lynn Korbel on fri 7 sep 01


dear kurt, and clayarters,
it could be from water soaking into the clay & steam
forming. or even the glaze being made with a metal
oxide. i am not an expert ~ just spent the night at a
holiday inn express. :-) best regard, lynn

--- Kurt Wild wrote:
> Been searching the archives and can't find an
> answer. Seems to me that at
> one time it was posted (on Clayart) that if a
> stoneware piece feels hot
> after heating it in a microwave (with food on it),
> that is an indication of
> something? My question - indication of what about
> the stoneware piece?
>
> Kurt
>
>
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> Send postings to clayart@lsv.ceramics.org
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> You may look at the archives for the list or change
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> settings from http://www.ceramics.org/clayart/
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> reached at melpots@pclink.com.


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Jim Karavias on fri 7 sep 01


Hi Kurt,

I heard this as well. My memory of it is that if the stoneware is hot
WITHOUT food in it, then the piece is porous and has retained enough
moisture to be heated by the microwave. If it does have food in it and gets
hot then it may be conducting the heat from the food, in which case some
might think it too thin. Microwaves generally don't work on dry objects.

Regards,

Jim


-----Original Message-----
From: Ceramic Arts Discussion List [mailto:CLAYART@LSV.CERAMICS.ORG]On
Behalf Of Kurt Wild
Sent: Friday, September 07, 2001 1:05 PM
To: CLAYART@LSV.CERAMICS.ORG
Subject: Stoneware, microwave, hot?


Been searching the archives and can't find an answer. Seems to me that at
one time it was posted (on Clayart) that if a stoneware piece feels hot
after heating it in a microwave (with food on it), that is an indication of
something? My question - indication of what about the stoneware piece?

Kurt

____________________________________________________________________________
__
Send postings to clayart@lsv.ceramics.org

You may look at the archives for the list or change your subscription
settings from http://www.ceramics.org/clayart/

Moderator of the list is Mel Jacobson who may be reached at
melpots@pclink.com.

John Hesselberth on fri 7 sep 01


on 9/7/01 4:04 PM, Kurt Wild at kurt.l.wild@UWRF.EDU wrote:

> Been searching the archives and can't find an answer. Seems to me that at
> one time it was posted (on Clayart) that if a stoneware piece feels hot
> after heating it in a microwave (with food on it), that is an indication of
> something? My question - indication of what about the stoneware piece?
>
> Kurt

Hi Kurt,

Well it could be that the hot food has heated the pot, but I think what you
are referring to is that it is an indication that the clay is not very well
vitrified. Microwaves are best at heating water and any clay that absorbs
more than 2-3 % moisture will heat up in a microwave. That is why
earthenware is not satisfactory in a microwave unless it is completely
encased in an excellent glaze (which it almost never is).

Regards,

John

Web site: http://www.frogpondpottery.com Email: john@frogpondpottery.com

"The life so short, the craft so long to learn." Chaucer's translation of
Hippocrates, 5th cent. B.C.

Rhonda Oldland on fri 7 sep 01


not fired to vit...rhonda



At 15:04 9/7/01 -0500, you wrote:
>Been searching the archives and can't find an answer. Seems to me that at
>one time it was posted (on Clayart) that if a stoneware piece feels hot
>after heating it in a microwave (with food on it), that is an indication of
>something? My question - indication of what about the stoneware piece?
>
>Kurt
>
>___________________________________________________________________________
___
>Send postings to clayart@lsv.ceramics.org
>
>You may look at the archives for the list or change your subscription
>settings from http://www.ceramics.org/clayart/
>
>Moderator of the list is Mel Jacobson who may be reached at
melpots@pclink.com.
>
>