Does my windshield protect me from the sun?

June 17, 2013 at 2:54 pm

I never seem to get sunburned in the car although I can certainly feel the heat of the sun through the windows. Does car window glass block out the sun’s cancer-causing rays? Understanding your level of exposure to the sun’s rays when riding inside a vehicle means understanding a bit about UV radiation – and the types of glass used in automobile windows. Ultraviolet radiation is commonly divided into UVA, UVB and UVC. “They’re all just different wavelength bands of UV. The shortest waves being UVC, and UVA being the longest. UVC is the most damaging to organic tissue, but it’s also the one that is blocked mostly by the ozone layer and doesn’t get to us,” says Rob Vandal, vice-president of product engineering and development at Guardian Automotive. Guardian supplies OEM (original equipment) windshields to major auto makers, and its own brand for aftermarket distribution. UVB causes tanning and burning, and leads to photo-aging or skin damage. UVA also...Read More >

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