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UV light (or ultraviolet light) is a type of electromagnetic radiation with a shorter wavelength than visible light. UV radiation from the sun can penetrate deep into the skin and cause sunburn, skin damage, and premature aging. With effective window film, a large portion of the sun's UV rays can be blocked.
Wavelength: approximately 10–400 nanometres (nm)
It lies between visible light (violet) and X-rays.
The sun emits large amounts of UV light, but:
The atmosphere (especially the ozone layer) absorbs most of it.
Only UVA and a little UVB reach the Earth’s surface.
| Type | Wavelength | Characteristics |
|---|---|---|
| UVA | 315–400 nm | Penetrates deep into the skin, causes aging |
| UVB | 280–315 nm | Causes sunburn and skin damage |
| UVC | 100–280 nm | Most dangerous – but completely blocked by the ozone layer |
| Use | Description |
|---|---|
| 🧴 Sun protection | Window film that blocks harmful UVB/UVA radiation |
| 🔬 Disinfection | UVC is used to kill bacteria and viruses |
| 🧪 UV lamps | In labs and for curing materials |
| 💡 Blacklight | Makes certain materials glow |
Skin cancer (mainly from UVB)
Eye damage (e.g., snow blindness, cataracts)
Premature skin aging
UV light is an invisible, high-energy form of light that can be both beneficial (vitamin D) and harmful (sunburn, cancer). To protect yourself from the damaging effects of the sun’s UV rays, window film can be installed on your home's glass surfaces to improve comfort and safety.