Tom at Hutchtel.net on thu 15 nov 07
Note in the current Claytimes that Millring is re-stated as NOT being
foodsafe. Back to the drawing board.
Tom Wirt
> ok, jennifer, and ric
> we broke one of the bowls..lo and behold jagged break.
> both glazes the millring red not so bad.
>
> so what to do to fix em ? we really like these glazes,
> and would like to keep them.
>
> do you think it is a problem on domestic ware?
>
> thanks,
> bliss
Kris Bliss on thu 15 nov 07
oh shit, well it will be on vases.
just marked the bucket.. gotta get some crayons!
thank you tom.
those iron reds, they'll getcha!
i'm firing tonight....
more tests out tomarrow.
-----Original Message-----
From: Clayart [mailto:CLAYART@LSV.CERAMICS.ORG]On Behalf Of Tom at
Hutchtel.net
Sent: Thursday, November 15, 2007 5:14 AM
To: CLAYART@LSV.CERAMICS.ORG
Subject: Re: iron saturate glaze question-Millring Not foodsafe
Note in the current Claytimes that Millring is re-stated as NOT being
foodsafe. Back to the drawing board.
Tom Wirt
> ok, jennifer, and ric
> we broke one of the bowls..lo and behold jagged break.
> both glazes the millring red not so bad.
>
> so what to do to fix em ? we really like these glazes,
> and would like to keep them.
>
> do you think it is a problem on domestic ware?
>
> thanks,
> bliss
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9:34 AM
John Hesselberth on thu 15 nov 07
On Nov 15, 2007, at 9:14 AM, Tom at Hutchtel.net wrote:
> Note in the current Claytimes that Millring is re-stated as NOT being
> foodsafe. Back to the drawing board.
Hi Tom,
Please note that Polly uses the term "food safe" (or not) where I
use the terms "stable" or "durable". That glaze had been rated as
suitable for functional work by Polly when she got in a bind and
didn't have time to get the glazes to me before her deadline. I
fussed at her and told her I would not have rated it that way. I
think it would be unsuitable for functional work because it is way
low in silica (1.6 or 1.7 if I remember) and has a fair amount of
copper carbonate (3%?). That is just asking for durability problems--
maybe even bitter food problems--I certainly would not want to buy a
functional piece with that glaze on it.
We have currently decided that the logistics of trying to do those
ratings makes life very difficult for both of us and are going to
discontinue them as a routine part of Clay Times. If you see any
ratings in future issues of Clay Times that don't have my name
specifically associated with them, be aware they are estimates--
probably made by Polly or one of her staff. There is likely no
analysis of the composition behind the ratings.
John
John Hesselberth
www.frogpondpottery.com
"Man is a tool-using animal....without tools he is nothing, with
tools he is all" .... Thomas Carlyle
Taylor Hendrix on fri 16 nov 07
John,
That's too bad for the mag. When I saw the clarification in the latest
issue, I guessed at what had happened. I think it's a bad move on the
magazine's part but it does make your life less hectic. Thankfully
your criteria for stable and durable glazes are very clear in MC6G.
Rock on!
Taylor, in rockport tx
On Nov 15, 2007 4:06 PM, John Hesselberth wrote:
...
> Hi Tom,
>
> Please note that Polly uses the term "food safe" (or not) where I
> use the terms "stable" or "durable". .
..
> We have currently decided that the logistics of trying to do those
> ratings makes life very difficult for both of us and are going to
> discontinue them as a routine part of Clay Times.
...
John Hesselberth on fri 16 nov 07
Hi Taylor,
Please write Polly and tell her that. She has received practically no
feedback that anyone thinks it is valuable. I have personally
received a little, but not much.
John
On Nov 16, 2007, at 10:35 AM, Taylor Hendrix wrote:
> I think it's a bad move on the
> magazine's part but it does make your life less hectic.
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