Silicone wire blades - are they worth it?

[ainarssems]

Has anybody here used and would they recommend silicone wiper blades like https://www.piaa.com/sitech . Specifically on older windscreens with age marks like small scratches and small chips/pitting. On a fresh windscreen I don't have any issues even with cheap blades and they last decent amount of time but as windscreen ages and have small pits/chips from stones they eat up wiper blades pretty quick, even OEM or quality brands like Bosch are not great after 6 months. Silicone are supposed to be twice as durable but not sure if it's just marketing. I though they are just made of silicone rubber but I see some users also mention that they coat windscreen with water repellent silicone coating as they wipe. Not sure if it's true or just misunderstanding by some users. I would not want any coating on mine. On fresh windscreens coatings work very well and I use them but they do not work on older pitted glass that well and I prefer no coating on older glass, even if it's not that old. Replaced windscreen on Tesla about 22 months/32k miles ago and it's already getting to the stage where it's eating up wipers and coating does not work well.

[donp38]

Quite interesting.
But no experience sorry.
I just put Bosch on as and when needed.. nearly annually as part of September service..