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removing the dark s...
 

removing the dark stain out of an oak piece?  

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bj
 bj
(@bj)
Illustrious Member
Joined: 6 years ago
Posts: 1404
04/08/2013 2:09 pm  

I have this very nice, sharp looking table, made in the sixties in french oak.
They stained it, before the piece received a coat of varnish.
I removed the varnish with success, and a bit of the brown stain, but I want it back to the bare wood.
Table is mostly constructed out of solid wood, but the leaves have a middle inlay in veneer (only the broad sides are solid here).
Is there a product that will bring the stain to the surface, so it can be removed? A product where one of you have yielded result with?
Thanks in advance, I'll post a pic of the table later on.


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leif ericson - Zephyr Renner
(@leif-ericson)
Illustrious Member
Joined: 15 years ago
Posts: 5660
04/08/2013 7:04 pm  

Oxalic acid
Is the only thing I know of.. It is sold in better paint stores around here, labeled as wood bleach. Perhaps the same is true in Belgium too.


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SDR
 SDR
(@sdr)
Illustrious Member
Joined: 15 years ago
Posts: 6462
04/08/2013 10:09 pm  

The grain
of oak and ash is composed (like any wood) of early and late growth (see link below). In these two species the earlywood is particularly porous -- so the possibility of removing all stain pigments from this portion of the wood is reduced.
It is this feature of those woods, and perhaps others, which is employed in the finish called ceruse, where the acceptance of the earlywood to stain or paint is employed to produce an exaggerated contrast to the figure.
http://warnell.forestry.uga.edu/service/library/index.php3?docID=172


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tktoo
(@tktoo)
Illustrious Member
Joined: 15 years ago
Posts: 2289
04/08/2013 10:47 pm  

Very possibly not,
Many pigment stains are composed of finely ground minerals and cannot be removed by any chemical process. Mechanical removal of the top surface may your only practical choice.
That said, European oaks eventually darken naturally over time. Interior wood stains were developed to mimic the look of aged finishes.


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