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Reply by William

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Posted on CA pen finish cracking

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William

9949 posts in 2653 days


#1 posted 04-19-2014 12:22 PM

I use CA glue for a finish on my pens, most of the time.
There are a few exceptions.
And Padauk and cedar just happen to be two of those exceptions.

I find that, as much as I love the CA finish, there is a learning curve to what works and what doesn’t.
The problem is that what works on one wood does not work on another.
So I make notes, in a tablet but sometimes just mentally, of this abnormallys.
CA is a hard brittle finish. It will however last very well under normal circumstances where it adheres to the wood itself.
With some oily woods though, like Padauk, cedar, cocobolo, some rosewood, among others, it never fully adheres to the wood and it prone to cracking, especially on the ends.

Some people say to wipe these oily woods down with alcohol and dry just prior to finishing helps.
I’ve tried that and still get cracking.
So for oily woods I use only paste wax for a finish.

There are other woods with peculiarities too.
For examples, I have never found any finish that I am satisfied with on African black wood.
For it I polish to a high gloss like I would acrylic by wet sanding and leave it bare.

-- http://wddsrfinewoodworks.blogspot.com/


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