this post was submitted on 13 Jul 2023
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Today I learned

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TIL that black band around the perimeter of the windshield are called frits and keep it from moving around while the car is in motion (www.travelandleisure.com)
submitted 1 year ago by mikkL@lemmy.world to c/todayilearned@lemmy.ml
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Without these dots, the glass could become loose and eventually fall out of the frame. These frits are also there for aesthetic purposes.

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[–] mikkL@lemmy.world 6 points 1 year ago* (last edited 1 year ago) (1 children)

As they write in the article:

the windshield glass in modern cars is bonded to its frame using a strong and long-lasting urethane adhesive.

"This makes the windshield a structural component of the vehicle's body," explained Reina. "The frit is black painted enamel that's baked onto the surface of the glass, and it provides a secure point of contact between the glass, urethane adhesive, and windshield frame."

[–] SulaymanF@lemmy.world 6 points 1 year ago (1 children)

I also quoted the article. I understand that part and the black stripe, but I don’t understand how the dots help in this.

[–] scutiger@lemmy.world 3 points 1 year ago

The dots themselves don't do anything, but the black border does. But if you see the dots coming off the glass, it's a sign that the frit around the edge may also have started detaching from the glass.