Reply by Jordan123

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Posted on Arm Seal Blotching on Chestnut

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60 posts in 1020 days

#1 posted 02-14-2018 01:45 PM

The issue is any oil or solvent will migrate into the softer grains.
The solvents in either oil or solvent based products , react with the tannin s in the wood and darken them.
Thus the areas where the oil migrated and became heavier, the darker it becomes and you have blotching .
This is the same reason most oil based prestains can also blotch the wood them selves .
The Arm R seal has pretty well dried by now , so sanding or if it were me I would try a chemical stripper, because the
oil will be in deep , gonna take alot of sanding to remove it , but then again you dont have the harsh, hazardous
I would sand a small section , apply 1 coat of blotch control and see what you have , ya might get by.
Chestnut will lighten over time , and amber some, as with any wood that has the word “nut” in it .
Keep us posted

- CharlesNeil

Thanks Charles—- I ordered your blotch control. Thanks for getting it out so quick haha. I am leaning towards sanding only to avoid the chemical process. I’ll let you know this weekend what it looks like.

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