I used to use a sand bath in the past. It takes a while to heat it up, but
once it's stabilized it's indestructible. If your teflon container brakes,
the content instead of being released to the oil and causing all sorts of
spills, it will just get soaked by the sand.

Jaroslaw Syzdek
Ernest Orlando Lawrence Berkeley National Laboratory
Environmental Energy Technologies Division
Advanced Energy Technology
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