@KenB259
I assume that your intention in flooding with CA is to add strength to your segmented blanks
I am not sure what your concern is ... are you worried that the CA won't stick to the epoxy used for your glue-up? . Or are you worried there will be an adverse interaction between the CA and the epoxy ?
I honestly believe that you have nothing to worry about. . I have done what you describe many, many times and in my experience there has never been any adverse effect.
What's more, I have reason to believe that flooding with CA in fact DOES strengthen the segmented blank. . As stated about, thin CA is very effective in filling voids (which epoxy sometimes does not do), and the CA treatment is a good insurance that your turning will be successful. . You would be well advised to repeat the CA flooding several times as you approach the final diameter. . I do the repeat application after removing each 20 thou thickness of the blank material. . Perhaps I am overdoing it, but I would rather not ruin a segmented blank that I have spent hours constructing.
The idea of "soaking" the drilled blank with thin CA before gluing in the brass tube is also a good one. . However, you will probably have to redrill the blank after the CA "soak". . My use of the term "soak" in this context does not literally mean the immersion of the blank in a container holding the CA. . It simply means a liberal application of CA to the internal diameter of the hole using a looped wire to transfer the CA into the hole.
Hope this helps.