Is there any way to know how long a plastic will last out in the sun?

There is no way to know for sure how long plastics will last when exposed to UV radiation. There are several things that will effect the time it takes for UV degradation to occur.  Both ambient temperature and humidity will accelerate the effects of UV. Other factors are stratospheric ozone, clouds, altitude, the position of the sun height (time of day and time of year), and reflection.

 

All types of UV can cause a photochemical effect within the polymer structure, which can lead to degradation of some sort to the material. The higher energy UVC is the type most likely to affect plastics.
Article Title:
Is there any way to know how long a plastic will last out in the sun?
Article Summary:
All types of UV can cause a photochemical effect within the polymer structure, which can lead to degradation of some sort to the material.
Article Date:
12/11/2009
Article ID:
855
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