Ceramic tints use non-metal particles for UV

https://andygsrc714.trexgame.net/beat-the-bluegrass-blaze-why-louisville-drivers-need-nano-ceramic-window-tint-now

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.