CA seepage

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nehsgolfer
Posts: 89
Joined: Tue Mar 11, 2008 9:09 am

CA seepage

Post by nehsgolfer »

After foolishly allowing CA to seep into the spruce while gluing the rosette, how do I get rid of it?
Also, I had the neck taped up for a while and after removing the tape, the gluey, sticky stuff is still there a bit. Will sanding bring this off ok?
tippie53
Posts: 7127
Joined: Fri Mar 03, 2006 7:09 pm
Location: Hegins, Pa
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Re: CA seepage

Post by tippie53 »

the ca is in there . That is why I preach about this , CA and spruce do not mix. As for tape . Naphtha should get the worst of the glue residue.
John Hall
Blues Creek Guitars Inc
Authorized CF Martin Repair Center
president of Association of Stringed Instrument Artisans
http://www.bluescreekguitars.com
Herman

Re: CA seepage

Post by Herman »

Yes, Once the CA is in there, only sanding can help you. If there is not enough thickness to work on, you have to live with these spots:

Image

Here I fixed a bit loose binding in the waist. After finishing a visable spot remained. So be careful on the CA-use.
Herman
tippie53
Posts: 7127
Joined: Fri Mar 03, 2006 7:09 pm
Location: Hegins, Pa
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Re: CA seepage

Post by tippie53 »

often over time the ca will turn the spruce a yellow greenish color. Sealing with shellac while this may stop that , you now are using the shellac as the seal for the CA . There are some times when CA can be used but not often. It can also glaze and wick into softer hard woods like Mahogany.
You can use it on dense wood like most rosewoods , Cocobolo , so test first. I the CA can go through the wood , as in many of the porous wood , you can't get it out.
John Hall
Blues Creek Guitars Inc
Authorized CF Martin Repair Center
president of Association of Stringed Instrument Artisans
http://www.bluescreekguitars.com
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