[Avodah] Kashering Corningware

[Micha Berger]

"Beach Runner" <Bob4Health at hotmail.com> wrote the following to scjm:
Message-ID: <1158329120.740470.180210 at i3g2000cwc.googlegroups.com>
> cindys wrote:
>> I don't know about before, but I do know that if Corningware is currently
>> glazed stoneware, it cannot be kashered.
>> Best regards,

> I wrote a long posting on Corning, but I suppose it had too much off
> topic information regarding the company, so I guess it wasn't posted.
> So, I'll just summarize.

> "Corningware" is a very wide product line that includes many diverse
> products. The unique product, Correll is rather unique. Correll was
> originally produced by accident, when an oven lost control and went
> exponentially higher than it was supposed to. It produced a new material
> with unique characteristics.

> The surface tension was much stronger, making it very non-reactive.
> In fact, it is nothing like glazed dishes. It contains much internal
> energy that makes in non-reactive and thus, doesn't interact with food
> or chemicals. While the bonds that keep it non reactive are strong,
> when it does break, it explodes.

> Consequently, anyone trying to determine rules for them being kashered,
> they would need to understand the properties of the substance. Correll is
> unique, and my favorite since it is so clean and pure.

> Corningware by the way, is not made by Corning, as their Consumer Product
> Division was sold several years ago.

So, why /is/ kashering Corningware considered so difficult? If it has
a very high surface tension, I wouldn't think it absorbs ta'am.

-mi

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Micha Berger             You cannot propel yourself forward
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