Jenny Lewis on tue 7 aug 01
Hi all
I 'm sure this has appeared before on Clayart, but I have not had any
luck with the archives, so - apologies in advance for the repeat.
I have just bought two mugs, both with metallic markings on them as part
of the decoration. Both potters said the stuff was microwave safe and
when I asked about the metal brush strokes, both said that they had used
iron oxide for decorating.
I'm sure they wouldn't say it was safe if they didn't mean it! But it
looks SO metal-ish that I decided to check before wrecking my microwave
and/or the mugs.
Not sure if it makes a difference, but - one is earthenware with slip
decoration, honey glaze, and some iron brush strokes. The other one is
stoneware with lines of blue (sorry, couldn't help it!), copper red and
some iron ox.
Could someone who has done something similar please advise?
Thanks all,
Jenny Lewis
cool, wet, windy London,
August being very un-summery
--
Steve Mills on wed 8 aug 01
Jenny,
My experience is that Iron painting is OK, it's metallic lustres that
are the problem. I found that one out the hard way!
Steve
Bath
UK
In message , Jenny Lewis writes
>Hi all
>
>I 'm sure this has appeared before on Clayart, but I have not had any
>luck with the archives, so - apologies in advance for the repeat.
>
>I have just bought two mugs, both with metallic markings on them as part
>of the decoration. Both potters said the stuff was microwave safe and
>when I asked about the metal brush strokes, both said that they had used
>iron oxide for decorating.
>
>I'm sure they wouldn't say it was safe if they didn't mean it! But it
>looks SO metal-ish that I decided to check before wrecking my microwave
>and/or the mugs.
>
>Not sure if it makes a difference, but - one is earthenware with slip
>decoration, honey glaze, and some iron brush strokes. The other one is
>stoneware with lines of blue (sorry, couldn't help it!), copper red and
>some iron ox.
>
>Could someone who has done something similar please advise?
>
>Thanks all,
>
>Jenny Lewis
>cool, wet, windy London,
>August being very un-summery
>--
--
Steve Mills
Bath
UK
Gwyn Ace on thu 9 aug 01
I have used pots with tenmoku glaze and similar in my microwave but =
normally avoid this as the pots heats up a lot and the cooking =
efficiency is therefore lessened. I don't think that an iron decoration =
which covered only a small proportion area of the surface would make =
enough difference to matter. You will find out the results easily..and =
I couldn't care less if the pot warms up strongly...but if a heavy metal =
content is going to block much of the microwaves... and affect my =
brilliant cooking.!!!!!!.....then I choose a pot with a lighter oxide =
glaze.
We all know of course that a silver or gilt decoration can blister and =
become most unhappy in the microwave but normal oxide decoration doesn't =
seem to mind..
Best wishes with your cordon bleu pursuits
GWYN in N.Z.
Just another brilliant male cook
Janet Kaiser on thu 9 aug 01
>>We all know of course that a silver or gilt
decoration can blister and become most unhappy in the
microwave <<
Worse than blistering and turning black, silver or gold
lustres will affect your microwave. Mine went off with
a heart-stopping bang and flash when I was stupid
enough to put a quiche dish with a lustre band around
the rim into the micro. I was apparently lucky it did
not ruin the oven completely, but I was pretty quick to
open the door. Lustre is rated in the manufacturer's
instruction book along with tin foil as Enemy No.
One...
Janet Kaiser
The Chapel of Art . Capel Celfyddyd
HOME OF THE INTERNATIONAL POTTERS' PATH
Criccieth LL52 0EA, GB-Wales Tel: (01766) 523570
E-mail: postbox@the-coa.org.uk
WEBSITE: http://www.the-coa.org.uk
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