I agree that it's easier to work with - you don't need to know any knots, just twist it and it stays. So that's a definite benefit. But when it comes to UV and

I agree that it's easier to work with - you don't need to know any knots, just twist it and it stays. So that's a definite benefit. But when it comes to UV and chemical resistance, I don't see how one would get any degradation in a museum setting. Dyneema is used in heavy industrial applications like mooring lines and tugboats for very large ships with lifespans over ten years. Unless you're hanging up something that you're not taking down for a century, it shouldn't be a worry.