Reply by OSU55

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Posted on Walnut Stock Finishing Problem with Danish Oil

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1835 posts in 2110 days

#1 posted 01-27-2015 12:44 PM

Watco is essentially a diluted urethane varnish with a higher oil %. Within ~ 24 hrs it probably burns in a little. It will build a film thickness eventually, but that film will be somewhat soft compared to other varnishes.

Since the lines are showed up when the oil was applied, I agree they are not witness lines. I’ve worked with burly, crotchety grained walnut. A lot of times very small cracks show up in the grain. Also, the tight grain is a lot harder and sands more slowly. It’s possible you are seeing scratches left over from 80 or 100 grit sanding (don’t know where you started). After sanding did you remove all sanding dust? That dust is your friend with this type of finish process.

Is the gun to be a show piece? Sometimes you have to take what you can get. Though visible at just the right angle with the right light, if the finish is level and feels flat and level, it will not be noticed. Most of the time we focus on a small imperfection we know about that no one else will ever notice. The watco is not the best choice for this. Because of the thin soft film it is more difficult to get a flat finish but it can be done. It will just take longer.

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