Car film 3M represents the brand that uses glass film 3M, and 3M only represents the meaning of the brand. First of all. Brand introduction. 3M is the only independent manufacturer in the world that produces polyester material as the base material of thermal insulation film, which ensures the excellent transparency, light resistance and strength of 3M thermal insulation film products. 3M high-strength film production technology has been widely used in military, security and other fields. Wear-resistant technology is widely used in the production process of thermal insulation film products in government confidential departments, senior banks and commercial buildings all over the world, so that wear-resistant substrates can withstand the long-term use needs of customers. Second, the characteristics of 3M car film. The 3M film has high thermal insulation performance, good anti-ultraviolet function and high definition. Compared with other car films of the same grade, its comprehensive performance is the highest. 3M film belongs to mid-to high-end car film, and the price is different in different regions. In particular, 3M night thermal insulation film has excellent characteristics that traditional thermal insulation film does not have. The latest technology of 3M provides low internal reflectivity, eliminates mirror effect, enhances thermal insulation performance as much as possible, and improves the stability of film color and performance. Night-view heat-insulating glass film can introduce warm natural light into the room during the day, and it is easier to watch the night view outside the window at night, and the scenery outside the window can be panoramic.