Does polycarbonate yellow in the sun?

In the end, polycarbonate changes its color because of different reasons. A major reason is UV rays; the continuous rays of the sun will damage the outer layer of polycarbonate and cause it to turn yellow.Click to see full answer. Thereof, will Lexan yellow in the sun?It depends on climate and whether the Lexan was treated or coated for UV exposure. There are greenhouses that go far more than 10 years and they aren’t yellow. For untreated Lexan the yellow is on the surface and can be polished off.Subsequently, question is, does clear polycarbonate turn yellow? The polycarbonate sheets without UV protection fail prematurely as they turn yellow. In most circumstances, polycarbonate materials without a UV protection acquire a yellow color which not only reduces their aesthetic value, but, also reduces their overall performance in all applications. Keeping this in view, will polycarbonate yellow over time? During the life of the panels, some of the UV does get through the protection layer but most of it is stopped on the outside. When the polycarbonate is attacked by the UV, it changes color and starts to become yellow.How long does polycarbonate last in the sun?On top of that, polycarbonate factors are also resistant to sunlight, rain, and snow. This enables these panels to last in the outdoors for many years without showing signs of fading, yellowing, or discoloration.