Quote:
Originally Posted by asm 06sedan
can tint still be slightly purple but keep its functuanality by stoping most of the heat and the uv rays and etc...?
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Kinda sorta, depends on the construction of the film.
If it's fading and turning purple chances are the UV absorbers are shot and gone. Cheap films contain few UV absorbers and usually only place them in the glue (instead of in the film too which makes it last longer).
If it's a strictly dyed film the heat rejection is a function of it's darkness. If the film gets lighter then less heat rejection. If the film contains metal or carbon the heat rejection will stay for the most part even if the color changes.