there is a also braided, multi strand Spectra out there as well- varies 1.3 to 3mm, varies in test as well- the stuff I carry is roughly 200# and 2mm
the only thing I'd be possibly be concerned w/ is the "slipperyness" of the Kevlar strand, might not be a problem, but could be
^ I use Spectra fishing line (goes by several different names- Spiderwire, etc) for my repair kit, it's very strong for it's diameter- I use 35# test and it's equivalent to about 6 # momofilament- this stuff is definitely slippery, fine for sewing (or emergency fishing)- have to be careful w/ the knots you use