Posted in the automotive glass, the upper protective film, both block sunlight can also play a role in summer cooling. Good quality anti-theft crash of glass membrane can also increase a security.

     However, if you choose wrong, this thin layer of film will be hidden inside the deadly risks.

     ■ smashed the windows shatter proof explosion-proof membrane is too long ago something happened to Hangzhou, Tang was incomprehensible. Early one morning, he found his car windows were smashed a hole in the car when the explosion-proof film has just posted less than a few months. Mr. Yu Shitang has spent more than 6000 yuan for a higher performance is said to be safe explosion-proof membrane. But I never thought that this explosion-proof film gave him a greater danger. One day soon after, his car collided with a bus, car was stuck, the door is also distorted. "I want to smashing the glass out, took an iron cups can be smashed with a few pieces were not hit." Finally, he had to climb up the co-pilot's seat, and from there climbed out the car. According to the provisions of the International Window Film Association, explosion-proof protective film should have a one-way function, meaning that although the explosion-proof film posted outside the vehicle can withstand bullets hit, but it should be easy in the car will hit the glass broken so that in case of an emergency situation, the car people will be able to escape in time.

     ■ there is no confusion in the market explosion-proof membrane of national standards with journalists and business sectors in Hangzhou, Zhejiang, auto parts market in the survey. The reporters found that shopkeepers of their operations to combat anti-explosion-proof membrane products have high confidence in the ability, but many shop owners do not know the explosion-proof membrane should have an emergency escape Cong Juli surface features may be broken glass. The survey found that several major business Hangzhou, auto parts sales of automotive safety film type variety, in addition to the familiar explosion-proof film, security film, names of Taiyang Mo, the shading film, UV film, insulating film and a variety of names There was also a film and nano-crystal film.

     For many years been concerned about the field of automotive safety film, Zhejiang University, Dr. Gong Baojun told reporters that the name itself reflects the market chaos. "Our country for the security of membrane area, there is no uniform industry-wide standards." Gong Bao-jun said. It is understood that China's current total annual sales of security film products of nearly 300 million yuan, but after the International Window Film Association of Certified production safety of all 11 films in sales of enterprises with less than 3.0 billion. "From the information learned in this market flooded with 80% to 90% of the counterfeit products, so the industry should be very fake goods production and the proliferation of the phenomenon." Gong Bao-jun said. This reporter learned that, due to auto foil in China is still an emerging industry, so the relevant standard is also lagging behind, there is no relevant national standards.