Polyacetate UW lens body ... any problems?

Greetings -

I've noted that some UW lens bodies (to name one brand, Dyron) are made of "polyacetate" as opposed to anodized aluminum or some other material. Is anyone familiar with any negative issues with this construction, or perhaps even positive points? I suppose their inherent buoyancy could be slightly more positive, but can't think of anything else myself. Any opinions?

Thanks!

Well, I just found the answer to my own question ... these lens bodies are made of Delrin, a strong, stable synthetic that has a very good reputation ... and apparently is a "polyacetate."

Cool! Delrin is as tough as it comes.