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Fabrics & Details
Classifications of Sunlight
What is UV?
UV: Ultraviolet is a broad wave emitted by the sun.
UV includesUVA UVB and UVC, from
100 micron to 400 micron.
UVA refers to ultraviolet A with a
wavelength of 315 ~ 340nm.
UVB refers to ultraviolet B with a
wavelength of 280 ~ 320nm.
UVC refers to ultraviolet C with a wavelength of 200 ~ 280nm.
Why do we need to protect ourselves from UV?
Excessive UV can damage skin, eyes and immune system.
Your skin may getsunburned, photo aged or darker. It will also cause skincancer,
melanoma, lupus erythematosus and freckle.
UPF VS UV Harmfulness
The higher index the better protection effect.
Different UV levelsrequire different levels of UPF protection.
Influence Factors of UV
InfluenceFactors of UV
Influence Factors ofUV UV index is mainly composed of UVA andUVB. UVB is moresignificantly weakenedby the atmosphere.
The influence factorsof UV index mainlyinclude direct sun Angle,latitude, altitude, clouds,ozone layer and groundradiation.