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Weathering Test for Reflective Film

Duration of Weathering Test for Reflective Film

a) Natural Exposure Test: Level 1 – Level 4 retro-reflective sheet: 2 years

Level 5 retro-reflective sheet: 1 year

b) Artificial Weathering Test:

Level 1 – Level 4 retro-reflective sheet: 1200h

Level 5 retro-reflective sheet: 600h

The exposure place shall be approximate to the actual application environement as much as possible, or represent the harshest place for some type of weathe

 

Carry out the surface inspection every month after the sample is exposed, and carry out the surface inspection every three months after half a year until it is up to the specified time limit for the exposure. Carry out the final inspection by the 4X magnifier according to the requirement, and carry out related performance test. 

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