Why water roll of windshield?

S

shadow85

New member
So today it was raining quite a bit. I noticed when I drive over 50mph, the water starts to roll off windshield upward. It was a pretty cool experience but was wondering why its able to do that. So I came up with some possible reasons.



1) Its normal on all cars driving over 50mph.

2) My car is 3 months old so the windshield is in good shape, that why.

3) Its from a product I use (either 425, NXT glass, or P21s washer fluid addictive).



No I dont know exactly so comments?



Also, I still don't get what the P21s washer fluid additive actually does, seems the same as not added it at all. Enlighten me?
 
Ah, yes, the ol' "Rain-X" effect. If your windshield is relatively contaminant-free and perhaps with the help of a sealant or wax product, water will roll right off. I love it. I haven't used my windshield wipers literally in years (except at under 30 mph).
 
I am not treating my windshield with anything, just wash it. But I get the same effect.

I guess some of the wax or sealant spreads out when washing so just a little amount gets on the windshield and other glass areas also. Or maybe just the natural effect on clean glass.
 
Yes you get the same effect with some wash&wax. Not as good and longer lasting though.

Since theres lidl around you get W5 windshield nano treatment kit. It works quite good.

As for durability I don't know yet but I haven't seen any other products even sold here. (newer products)
 
I get the effect when washing the car with Chemical Guys Wash and Gloss. Water beads up and rolls off.
 
Im not saying you have this glass by no means. I was researching the products you were using for the effects, and ran across this interesting article on new windsheild technology.

Wiperless windshields in your future? Thanks, nanotech.

by Paul Miller, posted Feb 24th 2008 at 11:15AM







It's really too bad nanotechnology is so gosh darn morally unacceptable, it could do so much good for humanity! Take this new wiperless windshield, for instance. Designed by Leonardo Fioravanti of Pininfarina, the Hidra features an aerodynamic design, and a bit of a nanotech sandwich (mmm, sandwich) to keep the front glass clear of water and debris. The first layer protects from sun and repels water, the second layer features "nano-dust" to push dirt to the edges of the windshield and is activated by the third layer which senses the dirt, while the whole kit is powered by the fourth layer which conducts electricity to keep it going. The tech could be ready for mass production within 5 years, but there's already a working prototype in the Hidra concept car.
 
I personally use Aquapel , this product is amazing and is made by PPG. You can normally find this product locally at an aut parts house, or a local glass shop. We stock it at our shop.



Larry Diesbach

Commercial URL removed. -- moderator
 
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