QUOTE(jon89 @ Sep 9 2023, 10:23 AM)
Stupid question here, for rear windshield, is it normal to have light refraction...? Previous cars without tint, so a bit surprised with this.
Installed TotalGard Infusion Pro on Wednesday.
Not a stupid question. Installed TotalGard Infusion Pro on Wednesday.
There’s a small air gap between the demister strips and tint film where incoming light will bounce around in different angles, which causes the refraction you’re experiencing. This can be more pronounced if your demister strips are thicker, because the film will have to “bend” more over those strips, causing a larger air gap. Double tinting might exacerbate the issue further, as incoming light will then have to bounce around two air gaps.
Angle of the rear windshield also plays a part. It can be worse for sedans where the glass is more sloped, whereas SUVs typically have more upright glass at the back.
Material of tint is also a factor. I’ve not really compared the refraction index of various brands thoroughly, but I wager it may be worse on metallic sputter tints due to the reflective nature of the metallic pigments used in the sputter.
Darker tints can also make the effect worse, because the light refractions will be more prominent in contrast to the darkness of the tint.
It gets a bit better as the tint cures over time. You can also try pressing along the demister strips gently with a small soft squeegee (never use fingernails as you risk damaging the film or demister strips) after the film has cured for a couple of weeks, but overall it’s just the nature of the beast and you will have to learn to live with it. Some people are more sensitive to it than others (the same people who are more sensitive to pulse width modulation from LED screens), so only you can judge for yourself if you can live with it or not.
This post has been edited by dev/numb: Sep 11 2023, 01:27 AM
Sep 11 2023, 01:17 AM

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