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Is it safe to expose a painted metal mug/pot to high heat for cooking or, even more frequently, boil water? My concern is how the paint responds to heat and whether it affects the food safety.

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    Is that painted or is it enameled? It looks like enamel to me from the style. If it is coated with enamel, it can withstand very high heat. If it is coated with paint (or a decorative glazing inside and out) then maybe less so. – NadjaCS Oct 29 '15 at 4:55
  • I think it's enamel – amphibient Oct 29 '15 at 5:01
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This cup is not painted, but enameled, which means it is covered with a thin layer of molten glass (emaille).

As vitreous enamel is basically glass, it brings the same chemical and physical properties: chemically resistant, durable, scratch-resistant, smooth and long-lasting.

Enameled cookware is very safe, even at high temperatures (oven-proof), and easy to clean. The main weakness it the fact that the coating chips easily if the pot is dropped, but modern cookware is relatively resistant compared to older models. Some well-known manufacturers produce pots and pans with enamel, random examples are Le Creuset, Staub, Le Chasseur and others.

The kind of cup you have was quite common in farmers' households world wide a century or two ago and is still available in eastern European countries and the Balkans. It has fallen out of favour a bit in the West over the last decades but the recent "retro" trend has enameled goods (including tins, jugs and bowls) appear again, it seems. Note that campers, hikers and hunters always loved them for their versatility and sturdyness.

So don't hesitate to use your enameled cup on the stove, it was made for that use.

| improve this answer | |
  • Your "emaille" link isn't working - were you trying to direct here? en.wikipedia.org/wiki/Vitreous_enamel – logophobe Oct 29 '15 at 14:23
  • @logophobe Thanks, yes, that should have been the Wikipedia link. Fixed it! – Stephie Oct 29 '15 at 14:32
  • I have a few le cruesset pieces, they are great!!! – Escoce Oct 29 '15 at 17:29

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