Ceramic tints use non-metal particles for UV

https://rafaelsusr068.lucialpiazzale.com/the-real-cost-of-low-quality-window-tinting

Ceramic tints use non-metal particles for UV and heat control with clear vision; nano ceramic packs denser nanoparticles for higher IR rejection, better comfort, and low haze—often at a higher but longer‑lasting price.