I have used the Minwax Poly wipe-on and am very pleased with the results. The Minwax sanding sealer can says it is for use under Polyurethane but does not mention the wipe-on poly which has oil in it. Can you use sanding sealer under wipe-on poly or would the sealer prevent proper penetration of the oil in the wipe on poly? I don't really need the sealer but thought it might help during the sanding process.
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Sanding Sealer and Poly Wipe-On
- Thread starter LANKFORD
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Some sanding sealers are stearated to keep the dust from clogging your paper. Not a good thing with oil base stuff. Poly makes a mechanical bond, so you'll be good as long as you sand the sealer. If the sealer seals at all, it will slow the uptake of oil.
Experiment on scrap, rather than your project.
Experiment on scrap, rather than your project.
R
Ron Sardo
Guest
IMO, you don't need sanding sealer.
If you feel sanding sealer will help, mix your own by thinning some oil based poly. 50/50 to 30/70 MS/poly should work fine.
If you feel sanding sealer will help, mix your own by thinning some oil based poly. 50/50 to 30/70 MS/poly should work fine.
Sealer
I swear by Min-wax products. However, I use a sealer only on soft woods. I have had very good luck with General Finishes "Seal-A-Cel", then following up with Min-wax Wipe-on Poly....at least 4 coats, sanding before final coat with VERY fine steel wool (or same in sandpaper), mainly to get rid of "dust lumps".
Be sure to allow 24 hours between coats.
I swear by Min-wax products. However, I use a sealer only on soft woods. I have had very good luck with General Finishes "Seal-A-Cel", then following up with Min-wax Wipe-on Poly....at least 4 coats, sanding before final coat with VERY fine steel wool (or same in sandpaper), mainly to get rid of "dust lumps".
Be sure to allow 24 hours between coats.
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I use 2 kinds of sanding sealer and which depends on the wood I am using. The first is a spray can variety I get at my local dollar store It sprays on very clear (or slightly white if I go too heavy) and I like to use it on light colored spalted wood. I use it before sanding and sometimes as a spot stiffener before doing final turning on pieces mushy tear out. I have done this with various poly finishes (name brand and store brands of gloss, semi gloss and satins) and they all turn out well. On darker woods I use oil based sanding sealer from ace hardware. I use it in a variety of ways and usually when I am going to do an oil finish. A poly finish still sticks to it just fine but I have found the mix gives a slightly yellow cast under some lights that doesn't look right to me.