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Thread: Advice on Japanning
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26th May 2023, 12:38 AM #76Senior Member
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I've not seen an explanation for the multiple step baking process either.
My electric toaster oven does not get hotter than 420f or so and the bakes were sucessful, so don't worry about getting a souped up one to get to 450f.
My bakes have lasted for about 3 hours per coat at 420f (the max for my oven). Shorter baking periods seem to work, as per David's runs, I need to test further.
Thin coats are recommended.
Regarding work holding, this cap received three coats on the inside, I was holding it by the sides. After the three coats, I baked three coats on the outside surface. No harm was noted on the re-baked inside surfaces. So, working in stages is an alternative when the piece is awkward.
Rafael
20230519_134432.jpg
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26th May 2023 12:38 AM # ADSGoogle Adsense Advertisement
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26th May 2023, 10:15 AM #77
Thanks DW and Raffo.
What about taping off areas you don't want japanning on? Obviously, can't leave tape on when the part/plane is to be baked, but is it worthwhile taping then removing before baking? Viscosity will determine if japanning stays put, so might not be an option. In that case, I guess you could clean/remove it from places where it shouldn't be after baking?
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26th May 2023, 03:06 PM #78Senior Member
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If it makes sense, tape where you don't want japanning on and might be hard to clean later. Also, don't tape where it may be hard to remove the tape before putting the plane in the oven, you may touch the varnish by accident. The unpainted surfaces will tarnish a bit, it's not ugly. If you get some japanning on the sole, just scrape it off or sand it.
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27th May 2023, 12:00 AM #79GOLD MEMBER
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I haven't done it, it might run a little bit at the edges after the tape is off, but I'm sure you'll reduce your labor of you're not going to condition machined surfaces, etc. so far, I've just painted the japanning up to the edge and then refreshed the entire machined surface to get off the spillover, but taping off some areas may make more sense.
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7th December 2023, 12:46 PM #80
Hi Pat
Try Gilsonite (Asphaltum) Powder - St Luke Artist Colourmen
They have Gilsonite Asplatum Powder
Cheers Lucas
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10th December 2023, 09:36 PM #81SENIOR MEMBER
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