Side and rear windows which usually have only a single layer of tempered glass may only block about 65 percent of incoming uv rays.
Uv laminated car windows.
This exposure may prove especially damaging to long distance drivers.
However uva transmission depends on the type of glass.
South korean automakers hyundai and kia use window glass with an spf between 44 and 48 in those vehicles they assemble in the u s.
Some automakers like hyundai and kia are already using higher spf glass not only because it protects against uv rays but also because it helps cool down the car and thus improves fuel efficiency.
Don t count on this degree of protection to safeguard you against uv altogether when you occupy a vehicle.
Uv radiation levels are generally much lower inside the vehicle than outside in full sunlight.
And toyota switched to laminated glass for the front windows of.
To see whether car windows are protective boxer wachler took a uv a light meter to a number of los angeles car dealers on a cloudless may day in 2014.
The problem though is that windshields only protect the front side of your face.
Uv rays can pass through clouds and glass.