Why Apply Window Film When Car Glass Already Blocks UV Rays?

1 Answers
VonJeffrey
07/30/25 8:17am
While car glass inherently provides UV protection, most vehicle owners apply window film primarily to maintain cabin privacy. Below is relevant information about automotive window films: 1. Definition: Automotive window film (Auto-film) refers to applying a thin film layer on the front/rear windshields, side windows, and sunroof. This film is also known as solar film or heat insulation film. 2. Functions: Blocks UV rays, reduces heat transmission, prevents glass shard injuries, minimizes glare, and protects personal privacy through one-way visibility. Additionally, it safeguards interior items and occupants from UV damage, lowers cabin temperature via light reflection, reduces AC usage, thereby improving fuel efficiency and cutting expenses.
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