Darryl Keil Last Activity 2024-10-10 3:42 PM
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Michael O. Moore

Posts: 6

Joined: 2014-12-05
Location: Merrimac, MA

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Subject : White powder residue on raw veneer -- efflorescence
Posted : 2016-04-29 7:18 AM
Post #37481
I have some East Indian Rosewood veneer that I'm going to use for a table top and it has a white, powdery residue on it. I've seen this before on some Padauk and after a light sanding it disappears... only to appear again later if left unfinished. The powdery substance will occur in some areas more than others.

I can't seem to find anything in detail about this and I'm curious if anyone has knowledge of exactly what this is, what causes it and if it has any long-term adverse impact on finishes?


 
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Darryl Keil

Posts: 1453

Joined: 2003-05-22
Location: Maine

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Subject : RE: White powder residue on raw veneer -- efflorescence
Posted : 2016-04-29 7:30 AM
Post #37482 - In reply to #37481
I've seen it too. I wipe with alcohol, then sand, then put the finish on. Doesn't seem to come back once it's finished. Don't know what the actual cause is. Some kind of oxidation I speculate.


 
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Michael O. Moore

Posts: 6

Joined: 2014-12-05
Location: Merrimac, MA

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Subject : RE: White powder residue on raw veneer -- efflorescence
Posted : 2016-04-29 3:17 PM
Post #37483 - In reply to #37482
Good to know -- thanks Darryl!
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