Drivers were surprised to discover that the black dots on their windshields had a secret function.
This black dot is “frit“They are usually located on the outer edge of the windshield, near the ceramic strip. So what are they for?
British tabloid The SunAccording to , the black dots help regulate the car’s temperature and prevent the glass from interfering with driving due to optical distortion.
“frit “The dots, or dot matrix, actually help reduce optical distortion by distributing temperature evenly.” Autoglaze Experts explain:
“This is frit This occurs when the strip (the solid black line) heats up much faster than the windshield glass, creating an optical distortion where straight lines appear bent or curved toward the center.”
Because of this, the increasingly smaller black dots “help reduce this phenomenon by dissipating and distributing heat evenly,” experts say.
In addition to practical functions, fritIt also has an aesthetic function. According to experts, thanks to the gradually decreasing size, the transition between the ceramic strip and glass looks much more natural to the eye.
Additionally, the surrounding black enamel protects the urethane sealant from the sun’s ultraviolet rays, preventing cracking and weakening of the glass. fritWithout this, the windshield may fall off, which can be very dangerous when driving at high speeds.
fritmay wear or disappear over time and may require repair or complete replacement.
This job should not be performed by an inexperienced mechanic, so take your vehicle to a professional shop if applicable.
Photo: Unsplash / Instagram. This content was created with the help of AI and reviewed by our editorial team.
