Ray Guard
FILM TYPE COLOR VISIBLE LIGHT TRANSMISSION SOLAR ENERGY
REJECTION
VISIBLE LIGHT REFLECTANCE SHADING
COEFFICIENT
SOLAR HEAT
GAIN COEFFICIENT
SOLAR ABSORPTION GLARE
REDUCTION
CH 50 charcoal 49% 32% 6% 0.79 0.68 36% 46%
CH 35 charcoal 35% 37% 6% 0.73 0.63 43% 62%
CH 20 charcoal 21% 40% 5% 0.69 0.60 49% 77%
CH 15 charcoal 15% 43% 5% 0.66 0.57 52% 84%
CH 05 charcoal 7% 45% 5% 0.64 0.55 56% 92%
Solar specifications testing performed on film mounted on 1/4" clear glass. Tests, equipment and methods according to ASTM, ANSI and NFRC standards. Calculations performed using Lawrence Berkeley Lab's Optics/Window 5.2. Values expressed hereof are typical and provided for comparative purposes only.