Light Transmittance of the Car Front Windshield Film

From:Linshang Time:2019/06/06 10:01:00 Browse:164
China's Ministry of Public Security Traffic Safety Law has made clear provisions on the light transmittance of the front windshield: the light transmittance of the front glass should not be less than 70%!

   A lot of car owners have recently reflected that after the front windshield film is applied, the sight line is blurred when passing through tunnels or rainy weather and night. This can easily lead to some traffic accidents, and some inferior membranes can even cause the front glass to burst. "What kind of film should be stuck in the front bumper of the car?" "How much is the normal test data after the car film is tested by a light transmittance meter" has become a concern of many car owners.
    Almost all auto film shops and film merchants claim that the light transmittance of these front glass solar films and explosion-proof films can reach 70%, which are in line with national regulations and will not affect drivers and passengers throughout the day as well as the sight and safety of the vehicle.
    China's Ministry of Public Security Traffic Safety Law has made clear provisions on the light transmittance of the front windshield: the light transmittance of the front glass should not be less than 70%! We can use the
transmittance meter LS110 to test whether the front glass transmittance is up to standard.

light transmittance meter

     In fact, the light transmittance of the front windshield is required to be the overall transmittance and the overall light transmittance after filming should be calculated by multiplying the light transmittance of the glass and the light transmittance of the film. The calculation is not complicated. If the light transmittance of the front windshield of the car reaches 80%, the light transmittance of the film should be above 87.5%. If the light transmittance of the front windshield is 70%, the light transmittance of the film should be 100. %. The light transmittance of China's automobile front windshield is actually not less than 75%, then the conversion can know that the light transmittance of the film should be about 93.3%, in order to meet the safety requirements stipulated by law.
   According to the data measured by the
light transmittance meter LS110, the customers can decide which kind of film they use. 

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