Mate if your fair dinkum just read the different products and treatments aint hard to find something specifically created to your needs. Pollux might be what your after but if you write down what you need and why might surprise yourself and find something else more suitable.
www.edelrid.de/en/industry.php#As for the kevlar aramid wobble above. Kevlar lines have changed a bit since the 60s gorgo
Have a look at advances new gliders aramid lines (ive got a few theyre new wings and theyre pretty flash) give em a treatment to help them with whatever your exposeing them too and you end up with best of both worlds.