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first time nitro drop fill; mixing color and...

 
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ecoast



Joined: 17 Sep 2017
Posts: 2

PostPosted: Mon Sep 18, 2017 5:32 am    Post subject: first time nitro drop fill; mixing color and... Reply with quote

hi all!

I recently picked this up; I am wondering whether or not to try my hand, or give to my luthier...

from all I've read, it seems I need to:

clean with dental pick/naptha
drop clear nitro to seal
drop some color until close
drop more clear

then begin the finish process after cure

If I screw it up; how much harder will it be when I send out for repair?

I could use advice as to mixing color and any/all details i have no doubt left out...

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Jazzmeister



Joined: 29 Apr 2007
Posts: 1439
Location: The Hawkeye State

PostPosted: Mon Sep 18, 2017 9:34 am    Post subject: Reply with quote

That's going to be a little tough to make invisible. An airbrush would be the best thing. I'd start with a little retarder on a brush to see if you can soften the edges of the chip. That might also pull a little of the color into the broken area. See how that looks, then consider your options for what to do next. This may be a spot you regret even trying to repair. You may be chased down the rabbit hole. Chalking it up to character is never a bad option.
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twangster



Joined: 05 Aug 2005
Posts: 9512
Location: Nashville Tennessee.

PostPosted: Mon Sep 18, 2017 9:38 am    Post subject: Reply with quote

Agreed, it's right in the transition of the burst and isn't really just one color. If you've had no experience feathering stuff like this with an airbrush I'd bring in the pro Smile
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Lon



Joined: 30 Dec 2003
Posts: 6085
Location: Stephenville, TX

PostPosted: Mon Sep 18, 2017 8:26 pm    Post subject: Reply with quote

I would use blending powders to get the colors laid down, then drop fill. I use a small brush, some with very few bristles, mix the powders on a piece of glass laid over the body to get right color, then apply sparingly. Use the lightest color first and build the base. Continue with medium colors, then the darker color until you reach full color repair. I think stewmac has a video on the subject
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ecoast



Joined: 17 Sep 2017
Posts: 2

PostPosted: Tue Sep 19, 2017 7:05 am    Post subject: Reply with quote

I got some aniline dye; I mixed it with water and tested on a white paper plate...

question:
can the dye mix be added to the nitro, then dropped?

or drop a little clear nitro to seal, then add color?

or do I have to tint the nitro w/o any water?


sorry for the newb questions; capable and willing to give it a shot, was hoping to get a little 'hand holding' for the finer details...
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Action-Cashin



Joined: 28 Nov 2005
Posts: 1521
Location: Austin, TX

PostPosted: Tue Sep 19, 2017 10:21 am    Post subject: Reply with quote

Drop seal 1st, cuz that will darken the wood a bit from the start.
If any dye touches the wood, it's permanent--no going back!
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RolandR



Joined: 03 Sep 2003
Posts: 8908
Location: Coastal Calif.

PostPosted: Tue Sep 19, 2017 2:36 pm    Post subject: Reply with quote

Is the aniline dye alcohol soluble too? Or is it water soluble only?

With alcohol soluble aniline dye, mix with denature alcohol and lacquer thinner then add to clear lacquer for you drop fill.
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