The heat-blocking nanoparticles of this carbon window film block 99% of harmful UV rays and reduce temperature-increasing infrared radiation rays. Carbon Window Tint Film for Auto, Car, Truck | 50% VLT (30â in x 20â ft Roll) This energy-saving, carbon-infused film even protects your carâs interior and dash from fading, cracking, and UV damage. Our auto window tints can be installed by a window professional, or you can do it yourself at home using our MotoShield Pro Window Tint Tool Kit.5-millimeter thickness makes our window film easier to handle than others without sacrificing effectiveness, and it wonât turn purple over time like cheaper tint film.