What does 3m automobile film mean?

3m automobile film is an American brand, the inventor of explosion-proof thermal insulation film and one of the independent manufacturers of explosion-proof thermal insulation film. At present, it has a number of patented technologies for thermal insulation and explosion-proof films. 3m automobile film is the owner of many world patents in the field of optical technology. Every year, a variety of new thermal insulation film products are introduced, and each patented technology gives the thermal insulation film different unique functions. 3m innovative technology product Jing Rui optical micro-adhesive automobile heat insulation film, based on 240 layers of multi-layer optical micro-adhesive film, introduces nanotechnology, and achieves the effects of high light transmittance, high heat insulation and high blocking of infrared rays and ultraviolet rays. 3m car film can block heat and ultraviolet rays, resist 99% harmful ultraviolet rays, protect the skin and accessories inside the car from injury, and protect drivers and passengers from exposure to the sun.