Ceramic vs Carbon Tint: What Actually Matters.
Darker film does not mean more heat rejection. The number that matters is IR rejection — infrared radiation is what you feel as heat. A nearly clear ceramic film can keep your car cooler than a 20% dark carbon film. Here's what the specs actually mean.
Darker ≠ Cooler.
VLT (Visible Light Transmission) measures how much visible light passes through — it's what makes a window look dark or light. IR rejection is a completely separate measurement: how much infrared radiation (the heat you feel) is blocked. A 70% VLT ceramic film can block far more heat than a 15% VLT carbon film. When evaluating tint, always look at the IR rejection percentage, not just the shade level.
Selective IR Rejection · 780–2500 nm
The Heat Your Film Actually Blocks.
Same shade, different heat. A near-clear IRX film blocks more infrared than a 20% dark carbon film. SIRR is the spec that decides whether your interior cooks — not VLT.
Full Spec Comparison.
| Film | Heat Rejection | IR Rejection | Signal | Fade Resistance | Price |
|---|---|---|---|---|---|
| Carbon (Monocarbon) | Good | ~40–50% | None | Good | $ |
| Ceramic (CTX)POPULAR | Very Good | ~60–80% | None | Excellent | $$ |
| IR Ceramic (IRX) | Excellent | Up to 88% SIRR / 60% IRER | None | Excellent | $$$ |
Which Film for Your Situation.
Nano-carbon technology, lifetime warranty, solid UV protection, and a clean look without breaking the budget.
Dyed nano-ceramic — per Llumar's data, 66–72% SIRR at a mid-range price. The Llumar pick when you want brand pedigree without stepping up to IRX.
IR-selective nano-ceramic. Per Llumar, up to 88% SIRR (780–2500nm). The only film we'd put on our own panoramic roofs.
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