The black dots protect the adhesive from harmful UV radiation, preventing sun exposure from weakening the adhesive bond over time.
The dot matrix, composed of smaller dots, ensures even temperature distribution across the windshield during production. This step avoids optical distortion or “lensing,” guaranteeing that straight lines on the glass stay true.
The gradual fading of the black dot matrix creates a visually pleasant transition from transparent glass to the black frit border. This design strengthens the windshield’s structural integrity, reducing the likelihood of damage.
In essence, those seemingly insignificant black spots on your windshield have multiple functions and are essential to your car’s complex machinery.
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