Andy Asberry wrote:

No Herculean strength here. I will add to my statement. Mine are red
not yellow and they were exposed for the 3 weeks plus a week after
returning. I had simply looped it around the axle of my garden tractor
to pull it up to the trailer ramps. Almost turned to powder. Broke it
several more times just to see if the whole length was rotten.

--Andy Asberry--
------Texas-----

Your airplane fabric will behave the same way if you don't get a good
coat of that aluminum powder paint on it. So would the same strap
bought of $10 at a big-box store.

Polyester just can't handle the sun.