I wouldn't braid it. For what it's worth this is what I would do.
-Test the break strength of an individual strand.
-if you are at a 40-50# break strength you can use the typical figures for building a flemish style string if not you can adjust accordingly, if you are at half the break strength of b-50 just double the amount of strings, if a quarter the strength x4 and so on. Divide that number by 2 seperate your bundles in that number i.e 7 and 7 or 8 and 8. Wax the bundles and then do the twist. If ya need help making a flemish string, let us know
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We'll be happy to help.