What Causes Water Marks on the Inside of the Windshield?

1 Answers
FelixLee
07/30/25 7:16am
Water vapor on the inside of the car windshield is mainly caused by the contact between the glass and the external environment, where the lower temperature causes condensation of moisture from inside the car onto the glass. Below are specific details about car windshields: 1. Laminated Glass: This refers to a type of transparent adhesive plastic film placed between two or three layers of glass, combining the toughness of plastic with the hardness of glass to enhance the glass's resistance to breakage. 2. Tempered Glass: This involves quenching ordinary glass to create internal stresses that strengthen the glass. When impacted and broken, tempered glass shatters into small, blunt-edged pieces, reducing the risk of injury to passengers.
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