I wrote several extensive reports on Pinball Life rubber rings vs. Titan silicone rings. The difference is astounding. I happened to be using Pinball Life rubber because they were the cheapest (now I see why). If you want a scientific comparison (with a whopping sample size of 1), check out my posts starting with #109:
https://pinside.com/pinball/forum/topic/new-product-competition-silicone-rings?tq=&tu=Crash
And keep going through the posts with photos to get an idea of how Pinball Life rubber holds up on route/location games (where durability matters most).