Posted on May 13, 2020

Coolshield Car Tinting Specialist

Chapter 4
What is ultraviolet rays?
It's a invisible, energetic short wavelength which consists of 3 types of ultraviolet rays, UV-A(320 to 400 nm), UV-B(290 to 320nm) and UV-C(100 to 290nm).
The earth's atmosphere and ozone layer filters out most UV-C and a percentage of UV-B rays which causes sunburn, and prolonged exposure to it over many years has been linked to skin cancer.
To be continued.....
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