Other than the vast differences shown in the pictures taken after heavy rain?
The sheeting is totally different while driving. The brand new Cancoat side continually creates medium sized beads from the rain while the car is in motion. These beads then move their way up the hood until they fall off.
Cosmic and OC shed the first load of water while driving and then seemed to remain totally clean except a very slow build up of tiny, micro-beads. It’s as if the rain was just bouncing off and no longer accumulating once the hood was 90% cleared of the water that accumulated prior to driving. Only small splatters causing the very tiny beads remained on the hood from then on.
So in summary, while standing still, Cancoat has smaller tighter beads. But while in motion, Cancoat puts on a nice looking bead show, but Cosmic and OC sheet the water off once and then nothing sticks to it except minuscule beads for the rest of the drive.
So bead beauty goes to fresh Cancoat.
Sheeting goes to 2.5 month old Cosmic and OC.
2.5 months
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