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Grain filling with epoxy and compatibility
I’m about to finish my next guitar and had in mind to use up what’s left of my crystalac brite tone water based finish. I cannot use lacquer any more, my past life has caught up to me. I was all ready to grain fill with epoxy when I caught myself thinking, are they compatible? I cannot find anything on the internet. Perhaps someone here has some experience? I have also sent the question to crystalac.
The next thing I am experimenting with is boiled linseed oil and pumice as a grain filler. Has anyone tried this with a water based finish? I know I can put a coat of shellac on it to be safe.
I am testing small pieces, but long term experience is what I’m really after.
Cheers, Dan
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3 Replies
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Epoxy as long as it’s scuff sanded should be compatible but I’ve not tested it in the short or long term with water based finishes. Putting a barrier coat of shellac could help with adhesion but it might have the opposite effect if one finish has more of an affinity for it than the other. But, like you said to be safe I’d stick with time tested combos based on others experience.
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Hi Michael, Thanks for the reply. I have to say, from seeing you on this group, I have great respect for your opinion. I like how you think things through.
I know most luthiers have recipes that work and stick to that. Why experiment any more.
I’m starting to trust water based finishes more all the time out of necessity. The target coatings -em6000 is a great product I have found recently. It has hardened to a tough finish. And it doesn’t want to kill me!
Thanks for sharing your knowledge. You have no idea how valuable it has been.
Dan
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In case anyone was interested in this topic, crystalac company replied and said that yes it is compatible. As long as you let it gas off first and scuff sand the epoxy.
Thanks again Michael, between the both of you that’s enough for me to carry on.
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