What is the metal strip in front of the car windshield?

1 Answers
Penelope
07/30/25 2:11am
This thin metal wire is a resistance wire, used to heat the glass for defrosting and defogging. Car window films are categorized into front windshield film, rear windshield film, and side window films. Among these, the front windshield has the highest requirements for window films. According to the traffic safety regulations of the Ministry of Public Security, the light transmittance of the front windshield must be greater than 70% to ensure driving safety. It is strongly advised not to use dark-colored window films on the front windshield. When selecting the UV protection index of the window film, the higher the better, as it helps protect the dashboard components from premature aging caused by prolonged sun exposure.
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