These exposure conditions are brief summaries of the actual exposure procedures. Consult the applicable test method or material specification for detailed operating instructions and procedures. Historical convention has established Cycle 1 as a very commonly used exposure cycle. Other cycles may give a better simulation of the effects of outdoor
TABLE X3.1 Common Exposure Conditions
Cycle Filter Irradiance Wavelength Exposure Cycle
1 Daylight 0.35 W/m2· nm 340 nm 102 min light at 63°C Black Panel Temperature
18 min light and water spray (air temp. not controlled)
2 Daylight 0.35 W/m2· nm 340 nm 102 min light at 63 °C Uninsulated Black Panel Temperature
18 min light and water spray (air temp. not controlled);
6 h dark at 95 (64.0) % RH, at 24 °C Uninsulated Black Panel Temperature
3 Daylight 0.35 W/m2· nm 340 nm 1.5 h light, 70 % RH, at 77 °C Black Panel Temperature
0.5 h light and water spray (air temp. not controlled)
4 Window Glass 0.30 W/m2· nm 340 nm 100 % light, 55 % RH, at 55° C Black Panel Temperature
5 Window Glass 1.10 W/m2· nm 420 nm 102 min light, 35 % RH, at 63 °C Black Panel Temperature
18 min light and water spray (air temp. not controlled)
6 Window Glass 1.10 W/m2· nm 420 nm 3.8 h light, 35 % RH, at 63 °C Black Panel Temperature
1 h dark, 90 % RH, at 43 ° C Black Panel Temperature
7 Extended UV 0.55 W/m2·nm 340 nm 40 min light, 50 (65.0) % RH, at 70 (62) °C Black Panel Temperature and 47
(62) °C Chamber Air Temperature
20 min light and water spray on specimen face;
60 min light, 50 (65.0) % RH, at 70 (62) °C Black Panel Temperature; and 47
(62) °C Chamber Air Temperature
60 min dark and water spray on specimen back, 95 (65.0) % RH, 38 (62) °C
Black Panel Temperature and 38 (62) °C Chamber Air Temperature
7A Daylight 0.55 W/m2·nm 340 nm 40 min light, 50 (65.0) % RH, at 70 (62) °C Black Panel Temperature and 47
(62) °C Chamber Air Temperature
20 min light and water spray on specimen face;
60 min light, 50 (65.0) % RH, at 70 (62) °C Black Panel Temperature; and 47
(62) °C Chamber Air Temperature
60 min dark and water spray on specimen front and back, 95 (65.0) % RH, 38
(62) °C Black Panel Temperature and 38 (62) °C Chamber Air Temperature
8 Extended UV 0.55 W/m2·nm 340 nm 3.8 h light, 50 (65.0) % RH, at 89 (63) °C Black Panel Temperature and 62
(62) °C Chamber Air Temperature
1.0 h dark, 95 (65.0) % RH, at 38 (62) °C Black Panel Temperature and 38
(62) °C Chamber Air Temperature
9 Daylight 180 W/m2(at 300–400
nm)
300–400 nm 102 min light at 63 °C Black Panel Temperature
18 min light and water spray (temperature not controlled)
10 Window Glass 162 W/m2(at 300–400
nm)
300–400 nm 100 % light, 50 % RH, at 89 °C Black Panel Temperature
11 Window Glass 1.5 W/m2· nm 420 nm Continuous light at 63 °C uninsulated black panel temperature, 30 % RH
12 Daylight 0.35 W/m2· nm 340 nm 18 h consisting of continuous light at 63°C uninsulated black panel
temperature 30 % RH
6 h dark at 90 % RH, at 35 °C dry bulb temperature
