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I have a 9 foot metal baseboard heater that I spray painted with some cheap enamel spray paint by color place. It says non toxic when dry, and that it can be used for interior and exterior.

It has a strong odor and according to the SDS, ~460g/l VOC content. I've already put on 5 coats but I regret it.

This is essentially cheap spray paint on metal, if and when it fully dries is it ok to sleep right next to it?

This is in the humid climate of Ohio but there are two windows in this small room which I will try to keep open as much as possible.

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    If you weren't worrying when you were buying the paint, I wouldn't worry about it now. – Harper May 29 '17 at 16:19
  • I didn't buy it, but I should not have rushed into it. – Bob Hamilton May 30 '17 at 2:07
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Once the solvent evaporates, the only source of odor or gases would be the plastic resin in the paint getting hot enough to cook.

The outer shell of the heater isn't a problem, and if you were careful to not get paint on the heating element, you have nothing to worry about. Be aware that when the heater is hot, it may initially expel some more solvent from deep in the paint that normally evaporates too slowly to smell. But this will be temporary.

If you got paint on the heating element inside, the result will depend on the type of element. If the internal heating element is a pipe of hot water or hot oil, that won't get hot enough to cook the paint (although you might get some initial odor like from the shell). Those elements often rely on metal fins to radiate the heat, and a lot of paint on the fins may cut down a little on the efficiency.

If the heating element is a metal ribbon that gets hot, that will char any paint you got on it. It will stink (and may smoke or ignite), and those vapors won't be good for you. But that will happen within the first minutes of use, leave some charred paint on the ribbon, and be done; it won't be a continuing problem. If any paint does burn, that should be contained within the heater. But you might want to move anything flammable away from the heater when you turn it on for the first time as a common sense precaution.

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