What does 3M mean in car window film?

1 Answers
CharlesAnn
07/30/25 7:56am
3M film is an American brand. 3M is the inventor of explosion-proof and heat-insulating film, as well as a leader in the automotive explosion-proof and heat-insulating film industry, holding the highest market share among major brands. The functions of applying film to cars are as follows: 1. Heat insulation and sun protection: The film can effectively block a large amount of heat generated by infrared rays. 2. UV protection: Medium and long waves of ultraviolet rays can penetrate thick glass, and applying heat-insulating film can block most UV rays, protecting the skin from damage and slowing down the aging of car interiors. 3. Safety and explosion-proof: The base layer of car film is made of polyester film, which has tear-resistant and penetration-proof functions. Combined with the adhesive layer of the film, the strength of the glass after film application can prevent injuries to vehicle occupants caused by accidental glass breakage.
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