I immediately felt the similarity to Sunbrella. Due to all the boats and lakes in the region my brother's upholstery shop sees a lot of it.
As in other fabric and fibers we see sometimes the marketing people go waaay out on a limb with their claims. Crypton likewise promises the moon and then deflects blame for failure.
If a cleaning attempt doesn't work they will say THEIR cleaning products are required to clean it, otherwise warranty is voided. It's basically a waterproofing treatment that holds stains on the surface....increasing the dwell time.
So, in a nursing home, pee. Lots of pee.
The owner was very proud of it and expected it to be bulletproof.
more, I'm sure...