- ISO4892- 3. 2007( GB\T 16422 3- 1997) < product surface treatment Uv resistant climate ageing test>
- Experiment condition:
a Temperature range : RT+ 10- 70℃；
b Temperature range : above 90% RH
c Distance between test parts and modulator tube
d Irradiation degree: UVA340 0. 68W/㎡
e Irradiation time: black standard temperature 60℃ ± 3℃ , irradiation time: after 4 hours( plastic parts) 8hours( coating parts) , then under black standard temperature50℃±3℃ without irradiation 4 hours - Experiment result criteria:
The surface of plastic parts or coating parts can not show color fading, color change orsurface layer come off