Ultraviolet rays have many applications, which can be said to be closely related to our lives. UV ultraviolet rays are widely used in all walks of life.
The so-called UV ultraviolet rays refer to the visible rays of the sun, other than purple, which is invisible to the naked eye. Ultraviolet is the general term for radiation in the electromagnetic spectrum with wavelengths ranging from 10 nanometers to 400 nanometers.
According to the different wavelengths, ultraviolet rays are generally divided into three bands: A, B, and C, as follows: UVA is 400-315 nanometers, UVB is 315-280 nanometers, and UVC is 280-100 nanometers. Corresponding to different wavelengths, specific applications are different.
The main application market of UV A band is curing, with representative wavelengths of 395 nanometers and 365 nanometers. UV curing applications include UV adhesive curing in display, electronic medical, instrumentation and other industries; building materials, furniture, home appliances, automobiles and other industries UV coating curing; UV ink curing in printing, packaging and other industries;
UV curing of components in the microelectronics industry, etc. Among them, the UV LED decorative panel industry has become a hot spot. The biggest advantage is that it can produce zero-formaldehyde environmentally friendly panels, with high energy saving, large output, scratch resistance, and high comprehensive benefits.
An important application of the UV B band is the treatment of skin diseases, that is, the application of ultraviolet light therapy.
Scientists have found that ultraviolet rays with a wavelength of about 310 nanometers have a strong dark spot effect on the skin, which can accelerate the skin's metabolism and increase the growth of the skin, which can effectively treat a variety of photo-induced skin diseases, such as vitiligo.
The UV B band can also be used in the field of health care. The irradiation of the UVB band is currently used to regulate advanced neurological functions, improve sleep, and lower blood pressure.
In addition, studies have shown that the UV B band can accelerate the production of polyphenols in certain leafy vegetables. These polyphenols are claimed to have anti-cancer, anti-cancer spread, and anti-cancer mutation properties.
Due to its short wavelength and high energy, UV C-band ultraviolet rays can destroy the molecular structure of microbial organisms (such as bacteria and viruses) in a short period of time. Cells cannot be regenerated, and bacteria and viruses lose the ability to replicate themselves. Therefore, UVC-band products can be widely used. Use water, air, etc. for sterilization and disinfection. Such as disinfection cabinets, microwave ovens.
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