434
Reflecting surface
% Reflexion factor
Bright silver
92 – 97
Gold
60 – 92
White silver (matt)
85 – 92
Polished nickel
60 – 65
Polished chrome
60 -65
Polished aluminum
67 – 72
Copper
86 – 90
Iron
90 – 95
Varnished porcelain
35 – 80
Mirrors
50 – 55
Matte white paint
60 – 80
Light beige
80 – 85
Yellow and light cream
70 – 80
Acoustic ceilings
70 – 80
Very light green
60 - 75
Light green and pink
60 - 75
Light blue
70 - 80
Light grey
45 - 65
Light red
45 - 55
Light brown
40 – 50
Dark beige
30 – 50
Brown, green and dark blue
30 – 40
Black
25 – 35
Marrón, verde y azul oscuro
5 – 20
Negro
3 - 4
OPTICAL PROPERTIES - REFLEXION
Optical Properties - Transmission
Optical Properties
WHITE DAYLIGHT REFLEXION FACTOR
REFLECTION
N
i
r
Regular transmission
TRANSMISSION
Difuse transmission
Combined transmission
graphic
ABSORTION
L1
L1 L2
L2
graphic
REFRACTION
n1
n1
D
n2
1
1
2
