UVB chip description: wavelength 290 to 320nm, also known as medium wave erythema effect ultraviolet light. Medium penetration, its shorter wavelength is absorbed by transparent glass, and most of the mid-wave ultraviolet rays contained in sunlight are absorbed by the ozone layer, with less than 2% reaching the Earth's surface, especially in summer and afternoon. UVB ultraviolet rays have a erythema effect on the human body, can promote mineral metabolism and vitamin D formation in the body, but long-term or excessive exposure will make the skin tanned, and cause redness and peeling. Ultraviolet health lamps, plant growth lamps emit special permeable glass (not through light below 254nm) and fluorescent powder with peaks near 300nm.
Product applications include: UV sterilization, light therapy, water treatment, automotive exhaust treatment and so on.
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