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Both films are metal-free, hold their colour and come in the same six shades. Carbon ceramic gives a deep, even black and good heat control, with a 10-year Polyshield warranty. Nano ceramic stops more infrared heat at the same darkness, so it keeps cars cooler even in light, legal shades, and carries a lifetime warranty.
What each film is
Carbon ceramic film uses carbon particles to give it a stable, even black that won’t fade to purple the way cheap dyed film does. Nano ceramic film uses very fine ceramic particles that block infrared heat while letting visible light through.
Heat
This is the biggest difference. Nano ceramic film blocks infrared heat without needing to be dark, so a 50% nano ceramic film can keep a car cooler than a darker carbon film. If heat is your main reason for tinting, nano ceramic is the better choice. Compare films on TSER: see What do window tint specs mean?
Look and clarity
Carbon ceramic has a matte, non-reflective finish and a deep black look, which suits privacy on rear windows. Nano ceramic gives a clear, crisp view out with very little haze.
Phone, GPS and keyless entry
Both films are metal-free, so they don’t interfere with phone reception, GPS, radio or keyless entry. Metallised films can.
Warranty
| Film | Polyshield warranty |
|---|---|
| Carbon Ceramic Window Tint | 10 years |
| Nano Ceramic Window Tint | Lifetime |
Register your installation to activate cover. See the Warranty page for the full terms.
Which one to choose
- Choose carbon ceramic for privacy and everyday heat control on a sensible budget.
- Choose nano ceramic for the most heat rejection, long drives, hot climates, or when you want to keep the front windows light and legal.
Many owners fit nano ceramic on the front side windows, where shades must stay light, and choose either film behind the driver.
Talk to a Polyshield installer.
Get advice on the right film and shade for your car, and a quote.
Related guides
Talk to a Polyshield installer.
Get advice on the right film and shade for your car, and a quote.