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Old 08-04-2016, 08:23 AM
RLMuse RLMuse is offline
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Join Date: Sep 2013
Posts: 150
Default Re: #8 lid weird coating

The only enamel I have ever seen removed was on an old cast iron bathtub. Only a section was removed due to cracking and some rust that got underneath.

They took what looked like a dull chisel, pretty much rounded off with no edge at all, and started tapping at the broken edge of the enamel. When they reached a point where it wouldn't chip off easily anymore, they stopped. They then sandblasted the exposed cast iron, acid etched the entire enameled surface, used a body filler type substance to fill in the scratches and chipped off area, and then sprayed on a new coating over the whole tub.

I am not sure you will be able to cleanly remove all the enamel.
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