Trouble Shooting
Weathering
Change in Luster
Degradation of plastic surface due to photo-oxidation(accelerated aging test, sunshine weathering, examination using a scanning electron microscope)
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Before exposure |
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After 500 hours of exposure with no rain Little reduction in luster, but micro-level cracking has occurred. |
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After 1,000 hours of exposure with rain 1000hrs. Breakdown of plastic components has occurred and the surface has a sand blasted appearance, resulting in the loss of all luster. (This is also known as color chalking.) |
Before exposure
No rain exposure 500hrs
There is little reduction in gloss, but microcracks have occurred.
Exposure with rain 1000hrs.
The resin component decomposes, resulting in a powdery surface and loss of luster.
(alias: choking)
