What is the difference between UV-A , UV-B and UV-C?

There are many types of ultraviolet rays. In order to better apply ultraviolet rays, it is particularly important to distinguish between impermissible ultraviolet rays. Common ultraviolet rays are divided into three types UVA, UVB, UVC:

UVA: Longer wavelength, between 320~400 nanometers;

UVB: The wavelength is in the middle, the wavelength is between 280~320 nanometers;

UVC: The wavelength is between 100~280 nanometers.

What is the difference between them, we made a table, please refer to:

Suntech UV product table:

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