Glass as a Protection Against UV


Ultraviolet is electromagnetic radiation, which occupies the spectral range between visible and X-ray radiation. The wavelength of UV is in the range from 10 to 400 nm. As known, ultraviolet light can be both useful and harmful, depending on the time and amount of exposure.
An ordinary window can partially hold on UV
An ordinary window can partially hold on UV
Excessive amounts of ultraviolet light can damage human health. It can accelerate skin aging or cause vision problems. In addition, such light can cause the destruction of some materials. Many consumer polymers degrade because of its influence. Polypropylene, polyethylene, polymethyl methacrylate (organic glass) are among them, as well as special fibers, for example, aramid fiber. Absorption of UV leads to the destruction of the polymer chain and loss of strength in a number of points of the structure. UV can also cause various dyes burnout.

Some types of windows have a higher protection factor
It is known that glass partially protects against ultraviolet radiation. Conventional window glass can block UV in the range of up to 315 nm. In this case, the rays in the range of 400–315 nm pass freely. It means that any ordinary glass can reduce the amount of UV light. Thus, glass shields the interior from burnout and destruction, as well as protects your health. At the same time, some part of ultraviolet still gets into the room and performs a sanitary function.

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