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Posted on Problems with Polymerized Tung Oil Finish

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Fuzzy

288 posts in 2574 days


#1 posted 804 days ago

Tung Oil is extremely slow to dry … if ever … so, it stays in a somewhat liquid/congealed state for quite a while after application. If your project is a porous or highly figured wood, the oil seeps into the pores … and sits there, waiting to harden. In the mean time, it moves up & down within each pore in response to temperature changes … sort of like a thermometer. When the temp. goes up .. some oil is pushed out of the pores ..when the temp goes down, contraction causes the oil to retract below the surface.

When you sanded off the little “scabs”, you exposed more oil that was not yet dry, so, it shows up as the little dull spots. The addition of the Orange Oil possibly further softened the finish, causing additional smearing … dull streaks.

-- - dabbling in sarcasm is foolish … if you’re not proficient at it, you end up looking stupid … ... ...


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