If it's bare wood you're spraying, poly will harden over more time
than a couple of days. It's still soft.
If you're spraying over another surface, you MUST scuff it up for
anything to stick to it. Once the window for a chemical bond is over,
scuffing it gives you a mechanical bond.
I guess I should have explained everything from the start ... but I just
didn't want a really long post.
I'm trying to protect Wood Print Veneer. I have a piece of furniture made
of particle board
covered in that wood print veneer that I want to protect with some sort of
clear coat, but poly just peeled right off with my fingernail. I can't sand
it cause I'll ruin the existing veneer, and I need to protect it because I
will have a fish tank sitting on it.
On Sun, 11 Jan 2004 20:44:22 -0500, "Harry Muscle"
Not a strong finish, but wax might waterproof the paper somewhat. The
epoxy I mentioned in the other thread might penetrate the paper as
well. Might be easier to just get some wood and make the stand
Using shellac seems to be the general consensus. I've read that it's
possible to dewax shellac yourself. If I can't get my hands on dewaxed
shellac (I'm more or less limited to what Home Depot or Canadian Tire
carries ... unless I want to drive far) could someone tell me how I would
prepare normal shellac so that it would accept a coat of poly over it. Also
is there any real difference whether I buy dewaxed or make dewaxed shel ,
xcept for time of course ... or in other words, which one is better?
First off, thank you to everyone who's following this thread and providing
help. I tried applying the shellac last night, however, it beads up. If I
spray just a thin layer it forms droplets on the surface. The only way to
get a smooth surface was to spray so much shellac that it creates a puddle
almost 1/16" thick. It did seem to stick better to the surface when I tried
scratching it this morning, but the layer of shellac is so thick it looks
What materials would cause shellac (and water based urethane (Varathane
brand name)) to bead up, while polyurethane goes on nice and smooth but
doesn't stick well. Could it be wax? Or are there some plastics that
shellac won't stick to (I though shellac would stick to most plastics)? I'm
gonna start a new thread trying to find the answer to this one.
Thanks for all the help,
P.S. I also wanted to say thanks for those comments pointing out the
possible futility of spending all this time on something that is not even
made of real wood. However, this project has now reached a "challenge"
level where I would like to find the answer just to find the answer.
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