

| Subject: | Re: Oven-baked paint finish |
| From: | David McNeely |
| Date: | Thu, 4 Jan 2024 17:59:56 -0800 |
Baking paint in an oven in the kitchen seems like a bad idea to me. What about volatile organic carbons emitted into the indoor atmosphere? On Thu, Jan 4, 2024 at 5:02 PM Richard Koerner <rjkinpb@sbcglobal.net> wrote: > Just a quick followup report to close this topic: Baking my part out in > the sunshine for 6 hours did the trick! No tackiness, nice hard finish. > So I believe baking is the key to getting superior results, like a factory > might do. I even got the idea (for next project that won't fit into my > kitchen oven) to utilize a corrugated cardboard box....with an incandescent > light bulb inside...throws off just the right amount of heat to nicely bake > paint, and the box serves nicely as an oven. (I've still got one or two of > those old school bulbs laying around somewhere.) > > On Wednesday, January 3, 2024 at 08:05:51 PM PST, Richard Koerner < > rjkinpb@sbcglobal.net> wrote: > > Thanks Alistair. Here's another thing I learned...yesterday and today: > DO NOT try to paint stuff in high humidity and low temperature. I got the > goofy idea to refinish metal medicine cabinet and shelves. I followed > directions.....successive light coats. Problem was, even here in San > Diego, it is Winter! So that means 63 F days, and plenty of humidity that > you guys up around the Island blow down to us!! Paint remained tacky even > after 24 hours, still tacky. Ugh. OK....I need to bake out the solvents; > tomorrow is supposed to be sunny. I will put painted metal medicine > cabinet out in the sunshine all day, and see what happens. I tried using a > small electric heater with fan to blow onto the project and that > significantly helped. But, I will in the future wait for a weather > forecast of strong sunshine and warmer days. Lesson learned: wait for > proper conditions before painting. > > On Wednesday, January 3, 2024 at 06:07:16 PM PST, Alistair Bell < > ragnarhairybreeks@icloud.com> wrote: > > Richard, > > You know by now that baking enamel type paint is a thing. Can be a rat > hole of possibilities. But it does rely on the appropriate paint, old days > it was oil based enamel type. > > Leaving aside jappaning. That’s baked but different. > > I don’t know about modern paints and baking. Certainly body shops bake > paint to a degree, not what you were doing though > > > Alistair > > > On Jan 2, 2024, at 10:52 AM, Richard Koerner <rjkinpb@sbcglobal.net> > wrote: > > > > OK....here's an oddball one I've never seen discussed.... Suppose you > are restoring some small metal part. You've wirebrushed, sanded, primed, > rattle can painted (oil based paint). I just did such a job restoring an > old Bench Vise, and then somehow I got the idea to "oven bake" it. Man, > did that ever turn out great! You can just feel it somehow. Finish seems > incredibly strong. I just put parts on a foil covered cookie sheet, and > put into 275-300 F oven for 20 minutes; after the fact, I did some Internet > snooping and turns out my approach was nearly spot on. Apparently this > enhances the polymers in the paint to weld themselves together somehow. > Where I want to try this again is when I re-finish my Vanagon door handles, > I want something perfect and super durable. I am also thinking of this > approach for around the house projects. Anybody got any experience in oven > baking small metal parts? > >
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