Photochromic Film

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Photochromic Film

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What is the photochromic film

Photochromic fim is named“shadow fim”or ‘transition film ” as a functional film emerging ,the invention relates to the technical field windowfilm used on the cars and buildings .In particular to a building suitable for automotive and window photochromic film .

This photochromic film presents light color or transparency in the weak illumination intensity ,and presents a dark color state in the condtion withstrong illumination ,in order to satisfy usage demands in different illumination enviroments .

The photochromic film effectively broadens the applicability of the existing window fim for a building decorative fim glass.glass doors ,and autom-otive glazing ander different lighting conditions .Especially for the erase lamp for night driving motorists judgement caused interference.

Background Technical

A:The compound when it is tranparency or colorless
B:The compound when it is dark color
R1:the solar spectrum to make A transfering into B (380nm-410nm)
R2:the solar spectrum to make B transfering into A (Beyond 380nm-410nm)

Photochromic effect is a reversible chemical reaction , which is an important criterion for judgment .

When colorless transfers into dark ,but dark coloris not able back to colorless ,that is notcalled photochromic.The photochromic effect requiresshifting easily into colorless and dark color .

What is the structure

The photochromic has a composite structure ,take a example of N60S (Visible transmittance 60%-20%)

Our Product Advantages

Fast response .5 seconds darken ,continue going darkerover the next 3 minutes within the UV light .

In the absence of UV light , obviously light in 2minutes ,fully back to non -exposed in 10 minutes .

Big visible transmittance spacing ,more than 30 ,likefrom 75% to25%,offering the users good photochromicexperience .

Strong weather resistance .With many technologi-cal breakthroughs ,in weather ressitance , we have a great achievement .

Color Customized .Enhanced light to black ,grey ,blue….

Our Finished Product Technical Data

The Tips For Installation

1.Pasting into the building glass,easy to operate ,after peeling can be adhered to the glass surface .
2.when it is applied into the car windshield ,the temperature of heat gun should be 200-300 degree celsius.
3.mixing with the babyshower gel without honey and milk ,advice the the brand JOHNSON baby shower gel .

lf mixed with honey and milk elements ,the clearness of the film will get affected .

Photochromic effect (light -dark -light) working within UV-Vis transmission spectrum 380-420nm