Ultraviolet can be divided into four bands according tothe band, among which UVA long-wave ultraviolet has a widerange of application scenarios.


Published Time:

2025-11-04

Penetrating power: Strong penetration, can penetrate thedermis, and can penetrate most transparent glass and plasticMore than 98% of UVA in daylight can penetrate the ozonelayer and clouds directly to the earth's surface.

Ultraviolet can be divided into four bands according tothe band, among which UVA long-wave ultraviolet has a widerange of application scenarios.

Wavelength range:315-400nm

Penetrating power: Strong penetration, can penetrate thedermis, and can penetrate most transparent glass and plasticMore than 98% of UVA in daylight can penetrate the ozonelayer and clouds directly to the earth's surface.

Effects on the skin: Long-term or high-intensityirradiation will cause the skin to age, resulting in dry skin, lossof elasticity, wrinkles and pigment spots, etc., and severecases may lead to skin cancer.However, it can also tanpeople's skin, because it can stimulate melanocytes in theskin to produce more melanin to protect the skin.

Field of application: lt is often used in light curing, makinginsect-seducing lamps, ore identification, stage decoration,banknote inspection, etc.

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