We
will tell you details below:
The
Polycarbonate manufacturers equip their products for outdoor use with an
ultraviolet protective coating.
This
ensures that the polycarbonate sheet has a long lifetime without losing any of
its essential chemical and mechanical properties.
The
yellowing of a PC sheet is an important issues that both the consumer and the
manufacturer must be worried about.
The
slightest mistakes which may occur during the manufacturing and the
installation process may affect the overall lifespan of the polycarbonate sheet.
A
polycarbonate sheet yellowing warranty varies among manufacturers. This is
because there are different grades of polycarbonate UV coating.
This
implies that, the high performance coating may have a warranty period of more
than ten years while other may have just a three year warranty, And YUEMEI
polycarbonate sheet manufacturer have 10 years warranty.
The
PC’s color (yellow) reflects the amount of strength the polycarbonate molecules
have lost when they were exposed to the ultraviolet radiation.
It
is a visual symptom with the invisible symptoms being the loss in mechanical
strength.

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