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05-21-2019, 10:24 AM
(This post was last modified: 05-21-2019, 11:46 AM by Cooler.)
I wet sand Minwax oil based poly with water and 320 to 400 grit between coats. The water seems to work well, is cheaper than oil, cleans up easier and does not create any adhesion issues.
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(05-21-2019, 09:19 AM)Gary386 Wrote: I am finishing a project with Minwax Polyurethane and am ready for a near final sanding.
I would like to use mineral oil (not mineral spirits) as a lubricant with wet or dry sandpaper.
Will that cause a problem for another final coat of polyurethane?
Gary minor
Might, but you can avoid all the possible grief by using water or mineral spirits. You're going to have to clean the swarf with mineral spirits after oil, anyway.
You using water-based or oil? Difference is a couple of rinses....
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I’m using oil based polyurethane.
A little knowledge is a dangerous thing.
