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CoolVu Transitional Film

A clear film when you want it, and a tinted film when you need it.

CoolVu Window Films “transition” from a lighter to a darker tint when exposed to sunlight. On bright sunny days, CoolVu reacts to the sun’s intensity and darkens to reduce sun glare and heat gain. On cloudy, rainy days and at night, CoolVu remains unchanged preserving your views and maximizing available daylight. With this unprecedented technology, you will see improved occupant wellness, adaptive glare control, protection from UV radiation, and reduce solar heat gain.

Adaptive Sun Control: CoolVu Transitional Films adapt to the intensity of the sun on your windows and doors. Utilizing advanced photochromic technology, CoolVu darkens when exposed to sunlight and returns to a lighter state when not. Composed of advanced ceramics and UV inhibitors, CoolVu blocks oppressive IR heat and damaging solar radiation. Stop the heat, preserve your view and enjoy darker tinted windows – only when needed.

Technical Specifications

Key Performance Indicators

Below we have put the key performance indicators of CoolVu Transitional Window film. Because this unique film darkens when exposed to sunlight, you will see two different sets of performance indicators below.

CV75/50    CV55/35   
Total Solar EnergyTotal Solar Energy
LightestDarkestLightestDarkest
Transmitted%5245Transmitted%4643
Reflected%1111Reflected%1111
Absorbed%3744Absorbed%4346
Visible LightVisible Light
LightestDarkestLightestDarkest
Transmitted%7340Transmitted%5435
Reflected Exterior%99Reflected Exterior%1111
Reflected Interior%88Reflected Interior%88
Glare Reduction%1045Glare Reduction%3960.2
Solar Heat Gain Coefficent0.500.45Solar Heat Gain Coefficent0.430.41
Shading Coefficient0.580.51Shading Coefficient0.490.46
Total Solar Energy Rejection%48.0052.00Total Solar Energy Rejection%5458
Infraed Rejection%81.0081.00Infraed Rejection%8181
U-Factor1.501.50U-Factor1.91.9
Emissivity0.900.85Emissivity0.90.85
Ultraviolet Rejection%>99>99Ultraviolet Rejection%9999
CV35/20CV25/15
Total Solar EnergyTotal Solar Energy
LightestDarkestLightestDarkest
Transmitted%4436Transmitted%3633
Reflected%1515Reflected%2020
Absorbed%4149Absorbed%4447
Visible LightVisible Light
LightestDarkestLightestDarkest
Transmitted%3525Transmitted%2818
Reflected Exterior%1818Reflected Exterior%2323
Reflected Interior%1515Reflected Interior%2121
Glare Reduction%6171.5Glare Reduction%6979.5
Solar Heat Gain Coefficent0.400.36Solar Heat Gain Coefficent0.350.33
Shading Coefficient0.460.42Shading Coefficient0.400.38
Total Solar Energy Rejection%5660Total Solar Energy Rejection%6466
Infraed Rejection%8383Infraed Rejection%8585
U-Factor1.01.0U-Factor1.01.0
Emissivity0.90.9Emissivity0.90.9
Ultraviolet Rejection%9999Ultraviolet Rejection%9999
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