I’ve seen MDF in bright colors in various places, but my attempts to dye it have turned out blotchy. I have tried aniline dye wiped on with a rag over sanded MDF. I also tried a sanding sealer before dyeing but the MDF would not take enough dye over sanding sealer. Any Ideas?
Dave Raynalds
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Replies
BASF manufacturers colored MDF. That may be what you saw.
http://www.basf.com/specialty_colorants/bcsclrantsmdf.html
-Steve
Great Lakes MDF makes and distributes colored MDF although availability can be spotty depending on the wholesaler.
I've used aniline dyes with good success. I put it on with a foam brush rather heavy then go back over the surface with a wad of paper towels and "blot" the excess. This seems to help mitigate blotchiness and lap marks. I repeat the process until I get the color saturation I want. Oil based polyurethane over the dye really helps to intensify the color and even things out.
Thanks, I'll give your method a try. My plywood source would only order colored MDF in lot of ten sheets.
Edited 9/18/2007 8:26 pm ET by davidraynalds
Have to admit that I am confused here -- again,
not an infrequent occurrence at this point in life.
MDF, IMHO and experience, is an occasionally functional, but relatively crude substrate to be covered with some other solid finished or finish-ready material, or to be primed and painted.
Thus, ???
You'd be surprised at what people are making out of MDF these days. I was in a lecture hall at Ohio State University in Columbus recently, where the walls were covered with MDF panels randomly perforated with holes (as sound baffles).
With a nice finish, and when used in a situation where it won't get banged up too much, it looks fine.
-Steve
Thanks for the reply, Steve. In a unique situation like that, probably calling for relatively inexpensive materials, I am not surprised and expect it is very functional.
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