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Don't do this.   You are logged in as Guest
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constructordeguitarras

Posts: 1675
Joined: Jan. 29 2012
From: Seattle, Washington, USA

Don't do this. 

After carving a neck, I wiped it down with naptha (mineral spirits, paint thinner) to help me see if more sanding was needed. I let it dry, did a little more sanding, completed the guitar, and finished with French polish. After the customer had it for a month or so, he called to say that the finish on the neck was bubbling up. Apparently some higher-boiling component of the naptha had remained in the pores of the cedro, only to try to rise through the finish later. I paid for the shipping both ways so the customer could send the guitar back to me for refinishing the neck.

Better to wipe with water or alcohol, which also raises the grain, before final sanding.

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Ethan Deutsch
www.edluthier.com
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I always have flamenco guitars available for sale.
  REPORT THIS POST AS INAPPROPRIATE |  Date Mar. 12 2020 16:17:06
 
Jose Marques

 

Posts: 35
Joined: Feb. 13 2020
 

RE: Don't do this. (in reply to constructordeguitarras

I never used naphtha but thank you I didnt know that this can happen, I always use water
  REPORT THIS POST AS INAPPROPRIATE |  Date Mar. 12 2020 20:24:16
 
Armando

Posts: 302
Joined: May 27 2005
From: Zürich, Switzerland

RE: Don't do this. (in reply to constructordeguitarras

Sure, water is the thing to use. But thanks for letting us know.

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  REPORT THIS POST AS INAPPROPRIATE |  Date Mar. 13 2020 14:39:57
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