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Thread: Shellac in a spray gun
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19th October 2010, 07:33 PM #1
Shellac in a spray gun
Has anyone had any experience or does anyone think that a touch up spray gun will work with shellac and vice versa, taking for granted that the shellac is properly put through a strainer to weed out any undisolved shellac to prevent clogs.
Cheers
PeterI couldn't repair your brakes, so I made your horn louder.
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19th October 2010, 07:37 PM #2
HMMmm! atomised metho around a sparky compressor in a shed full of electrical equipment, yep that's a good idea! can I watch!................. at a distance of course!!!
G'day I'm Dave!
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19th October 2010, 07:41 PM #3
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19th October 2010, 08:09 PM #4
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I asked the same question a long time ago here as I wanted to refinish seven silky oak chairs with shellac and thought spraying maybe the way to go (HVLP spray unit). Major draw back with what I wanted to do was overspray and of course as already pointed out atomized metho. In the end I applied by brush for the first couple of coats rubbed back and then used a rubber ? (cotton cloth with cotton wool inside) to apply the shellac. Am really happy with the result and have to say it was very therapeutic.
Maybe it's a case of what are you finishing??
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19th October 2010, 08:15 PM #5
OK.. ADMIN intervention here.
The OP (castaway) asked a "method" question.
We don't know his shed setup........so lets just look at the method.
I.E...can you spray shellac.
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19th October 2010, 08:35 PM #6
Have used the same method on previous projects as well to great success. I have a new project that I thought would be better suited to spraying it on. Having problems with the shellac drying too fast as I'm having to go around cut outs and curves. I might try to brush it on again. But I'm going to give the spray gun a go and see what the results are. What other advice did you get when you first ask this question.
Cheers
PeterI couldn't repair your brakes, so I made your horn louder.
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19th October 2010, 08:53 PM #7
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From memory that was about it. The over spray was the point that put me off as the chairs are quite fine and as there were so many angles that I would have had to point the spray gun, over spray would have also affected other parts of the chairs! And i'm no spray painter.
I'll do a search for the thread.
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19th October 2010, 08:56 PM #8
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Intresting question - I for one could see no reason that it could not be done, though one would need to get the viscosity and air presure right.
I think that you would need to use more metho than a normal mix as the most will evaporate from spraying before the shellac hits the surface.
I would be intrested to hear the results.if some one has tried it.
Cheers Warren.
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19th October 2010, 08:57 PM #9
Watch this get "flamed"
Anybody heard of airbrushes????
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19th October 2010, 09:03 PM #10
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No wonder I didn't remember much about it, was three years ago.
https://www.woodworkforums.com/f9/noz...shellac-49015/
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19th October 2010, 09:20 PM #11
Hey Warren hows it going. Any new radios lately. Had a look at that phillips again and still could not get a model number. Yeah this project is a small Airzone Cub and was having trouble with the shellac in places. Well I just bought a spray gun online tonight so I will experiment and let you know.
I couldn't repair your brakes, so I made your horn louder.
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19th October 2010, 09:26 PM #12
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19th October 2010, 10:18 PM #13
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Hi Peter. I think that if you used a thicker shellac you will require a higher air pressure and the metho loss from spraying could leave a thick coat that may not dry so easy.
I would use low pressure around 25 psi perhaps even lower to keep the evaporation down.and add a little extra metho as you do not want the spray to be dusty, but I am only guessing and perhaps your idea is correct,
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19th October 2010, 10:42 PM #14
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As soon as I read your post I guessed that it may be a timber radio cabinet with lots of little areas hard to get at,
Peter on your philips radio you would have had a sticker with all the radio details on the rear panel I would guess that it has fallen off years ago.
And yes I have purchased another radio a HMV chassis with a smashed Plastic case but I only want it for parts to restore some other HMV radios that I have, also purchased another valve tester - a ( Paton VCT ) I hope to restore this one to working order,
Cheers
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20th October 2010, 09:07 PM #15
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