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Jmark 05-14-2008 08:13 AM

What tint to use in Bondo
As a cabinet maker, sometimes I need to use a LOT of filler on certain woods. The hot wood now is knotty Alder. I need to use a black filler on some of the bigger knot holes when the knot falls out. What would I use to tint bondo black? Anything readily available?



OneMoreTime 05-14-2008 09:35 AM

As strange as it may seem I would try a majic marker..that is kind of a dye and would penetrate into the bondo..You may even be able to draw out a nice knothole..


scrimshaw 05-14-2008 12:17 PM

Would something like this work?

I've used it in resin and while it extends curing time and tends to gum up sandpaper a bit more than usual it might work for you.

Jmark 05-14-2008 03:50 PM

Thanks, I'll look into them. Most of the knots and cool grain stuff is black to begin with. I can buy black walnut putty but have not looked at it yet. Figured a pint won't go far since I have 65 raised panel doors to do. LOL

baddbob 05-16-2008 06:48 AM

Your best bet would be to use Evercoat's Featherfill G2 polyester primer that is available in black. You could easily brush, spread, or spray this stuff on and I'm sure it will be enough build to fill your grain and divits around the knots. Put the parts in the sun for an hour or two after you apply and it'll be ready for sanding. This is the only polyester product I know of that's black.

Chevrolet4x4s 05-16-2008 11:01 AM

Magic Markers are actually very dark purple.


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