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Interesting '37 sales literature posted on the general board


bobj49f2

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For automobile glass, the windshield is a two ply glass with a plastic sheet sandwiched between the two pieces of glass. It is made this way so if it breaks the parts of the glass stays together and should not enter the passenger compartment. With a large enough impact you can get glass in the passenger compartment. Interesting note is that Henry Ford pioneered safety glass in the Model T. Here is a link with the story on the glass. http://www.secondchancegarage.com/public/windshield-history.cfm

As for the side, rear, sunroof glass it is a Herculite® glass which the trade name for a tempered glass made by PPG. Tempered glass is made so that if it has an impact it will break into small pieces and not cut the occupants of the vehicle. It has been used in cars since after WWII.

Interesting thing about tempered glass is if you have a broken window it breaks like a spider web. You can look at break lines and follow the radiating lines to the center of impact.

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My 1984 Plymouth minivan didn't have safety glass in the rearmost side windows either. It was classified as a truck so they could get away with it. It was tempered glass and it "rang" just like tempered glass if you rapped it.

Cheers, Dave

Dave,

See my post just above this one. Your car/ van had the correct glass in all positions. Laminated glass is only used in the windshield. Tempered in all other locations. This is true for all vehicles whether it is a truck or car, or cross over.

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