In article >, "cybercat" >
wrote:

> "Omelet" > wrote in message
> news
> > and why you should never cook in them.
> >
> > This is some really cool information.
> > Both articles explain why the insides of ALL food cans are coated, both
> > Aluminum and Steel:
> >
> > http://www.nd.edu/~ndmag/can1su00.htm
> >
> > Money quote:
> >
> > "To keep powdered metal out of a can's contents, Schmid says,
> > manufacturers spray-coat the inside with a polymer dissolved in a
> > solvent. When the can is heated, the solvent boils away, leaving only
> > the protective polymer coating.
>
> [snips]
>
> Very helpful information. I had no idea.

Interesting stuff. :-)

I've noted that the inside coating in cans of tomato paste is white.
Same for some other canned items, so I thought I'd search it just for
grins.

Seems that ALL cans, even the inside of soda cans, have some kind of
polymer coating to protect and seal the metal.
--
Peace, Om

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