[Clayart] Safety issues with melting glass in functional pots

[sumi]

I believe this is generally considered a very dangerous practice for any 
form that is intended for food. You can experiment on ware that you 
intend to use, but I believe it would be inadvisable to give or sell 
these items to anyone else to use for food.

Sumi
> I would worry about differences in coefficients of expansion shivering off fragments of glass into food.
>
> Joel Fink
> Ficklefink Pottery
> ________________________________
> From: Clayart <clayart-bounces at lists.clayartforum.com> on behalf of Robert L. Johnson via Clayart <clayart at lists.clayartforum.com>
> Sent: Tuesday, June 11, 2024 4:30 PM
> To: clayart at lists.clayartforum.com <clayart at lists.clayartforum.com>
> Cc: Robert L. Johnson <impaladrive at gmail.com>
> Subject: [Clayart] Safety issues with melting glass in functional pots
>
> Had anyone experienced dangers associated with clear melted glass in mugs,
> bowls, or other food vessels?
>
> I understand that there will be microcracks that could harbor very small
> food and dust particles. That doesn’t worry me. But is there a danger of
> glass chunks falling out and getting swallowed any more than normal glaze
> chunks spalling off?
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-- 
Sumi von Dassow
President, Beulah Valley Arts Council