Silhouette
FILM TYPE APPEARANCE VISIBLE LIGHT TRANSMISSION SOLAR ENERGY
REJECTION
VISIBLE LIGHT REFLECTANCE SHADING
COEFFICIENT
SOLAR HEAT
GAIN COEFFICIENT
SOLAR ABSORPTION GLARE
REDUCTION
SP 45 charcoal 47% 43% 13% 0.66 0.57 40% 47%
SP 40 charcoal 40% 44% 8% 0.64 0.56 49% 55%
SP 35 charcoal 34% 52% 10% 0.56 0.48 54% 61%
SP 25 charcoal 25% 53% 8% 0.55 0.47 57% 72%
SP 20 charcoal 22% 55% 8% 0.53 0.45 59% 75%
SP 15 charcoal 16% 55% 6% 0.52 0.45 63% 82%
SP05 charcoal (3ply) 6% 58% 7% 0.49 0.42 65% 93%
Solar specifications represent film mounted to 1⁄4” clear glass. Tests, equipment and methods according to ASTM, ANSI and NFRC standards. Calculations performed using Lawrence Berkeley Lab’s Optics/Window 6. Values expressed hereof are typical and provided for comparative purposes only.