Graphene films promise strength and cooling, but premium ceramic often wins for optical clarity, proven IR rejection

https://telegra.ph/The-Real-Cost-of-Low-Quality-Window-Tinting-The-Real-Cost-of-Low-Quality-Window-Tinting-06-02

Graphene films promise strength and cooling, but premium ceramic often wins for optical clarity, proven IR rejection, and signal safety. Compare lab specs, warranties, and real-world reviews before paying the hype premium.