Wow, you guys are good! As far as trying to address the material, I would say it would be similar to the hard rubbber used in making an electrical adapter that changes a cord from three prong to two (or vise versa).
That should address both flexibility and strength
The environment would be...
I have designed a plastic or rubber part, I should say imagined, since the design of the part is the reason I am asking my question, about 75mm long with a multi-contoured outer surface and smooth cylindrical ID about 12-18mm. I want it strong yet flexible, like a hose with an irregular outer...
