The History of Window Tint

History of Window Tinting .

In the beginning, a first generation design window film product was dyed only. The dyed films are considered basic products which work on the principle of absorbtion. The darker the film, the better it works, but now we have a lot of people tired of difficulty with night visibility… These basic dyed films are still in wide spread use today due to their low cost and great appearance, but are not very durable to our extreme climate.

As the ninties came with computers, a second generation design product included metalization of some sort, integrated with the dye. This produced a “hybrid” film containing dye to absorb heat and also metal to reject the sun’s rays, and therefore heat. This hybrid design window film often provides 25% greater heat reduction shade for shade… across the board. They are considered by many consumers as the best they can do. This dyed / metal “hybrid” design window film is a great addition for many reasons, and yeilds high value for any application.

Today, a third generation design window film product has been made possible only through the recent development of nano-technologies. These new films are manufactured with traces of dye and metal, but consist mostly of ceramic or crystalline oxides which are used to block specifically… the infrared part of the solar spectrum.

From our sun, we receive light rays, heat rays, and ultraviolet rays, and that’s it. All other forms of radiation are either filtered by our atmosphere or man made. Of all the rays we are exposed to by our sun, the ultraviolet rays ( UV = 3% of the suns total radiation ) are not good for human beings, and is the part responsible for unwanted health conditions. The infrared rays ( IR = 56% of total solar radiation ) is the heat factor. This is the part that irritates existing health conditions with heat build-up in a car. The visible light rays ( VLT ~= 41% of total solar radiation ) and is the part we use to see. Notice the three parts equal 100% of the total solar energy ( rays ) coming from our sun. The parts overlap somewhat, and the specifications would vary accordingly, but you get the idea. So now we have a nano tech design window film who’s build is directed precisely at the part of the solar spectrum which we wish to manipulate, the infrared heat rays.

The key here is: a custom design “IR blocker” automotive window film, that provides all the benefits of conventional window films while reducing heat much better, yet are virtually colorless for excellent night visibility. The design, build, and marketing focus for these lightly shaded films is towards windshields… because the future of cars includes further aerodynamic refinement, and the windshield is usually the largest and most slanted glass area for the suns rays to come into a vehicle.

When we drive, we view the world we are approaching thru the front windshield, so visibility and a clear un-obstructed view is absolutely necessary. Options available to the general public in the past were limited at best. Usually some dye or metal was necessary to provide heat reduction like this new 87% Infared Protection. That is truly phenominal.

 

Author: Jeffrey Kalmar

About the Author:

26 years in the tinting industry.

 

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