On 2/4/2010 12:43 PM, Jim Weisgram wrote:

first. Also, you can test whether the current coat is cured by sanding
with some 400 grit. If it sands to powder, it is ready for another
coat. If it sands to balls of gunk, then it needs more time.

Excellent ...

Just as an aside ... this testing technique also works on many similar
finishes by simply rubbing the piece with brown paper (as in paper
grocery bags).

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