How many days will it take for the bubbles to disappear after applying the film?

[Norah]

There are usually two situations: 1. Air: If it's an air bubble and there are few, it will disappear on its own in about a week. 2. Dust: If the glass was not cleaned properly during the film application, these are dust particles, and they will never disappear. More related information is as follows: 1. Functions of car film: The main functions of car film are to block ultraviolet rays, reduce heat, prevent injuries caused by glass splinters, and reduce glare. Additionally, due to the one-way transparency of the sun film, it serves the purpose of protecting personal privacy. 2. Car heat insulation film: Car heat insulation films are divided into front, rear, and side windshield films. Among these, the front windshield film has the highest requirements. 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. The front windshield should never be covered with a dark heat insulation film.