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What is ultraviolet light? What are the hazards of ultraviolet rays?

What is ultraviolet light?Eighty percent of skin aging comes from ultraviolet rays. According to different wavelengths, ultraviolet rays are divided into three types:UVA: reaches the dermis of the skin, causing photoaging of the skin. It is a kind of ultraviolet rays with the longest wavelength, which is not absorbed by the ozone layer at the top of the atmosphere. Even skin cancer, so UVA will not only stimulate pigment synthesis and make the skin color "blacken", but also the...

Can I still be hurt by ultraviolet light when the window is blocked?

Ultraviolet rays are an important part of solar radiation. Based on wavelength, they can be divided into: [near ultraviolet (UVA)], [far ultraviolet (UVB)], and [ultra-short ultraviolet (UVC)], where UVC is absorbed and scattered by the ozone layer Only UVA and UVB reach the ground, accounting for 95% and 5% of the total ultraviolet light, respectively. The penetration of ultraviolet radiation to human skin is different. The longer the wavelength, the greater the UV damage to human skin.Among them, the...

Precautions for using ultraviolet lamps

Precautions for using ultraviolet lamps The ultraviolet light source must be exposed to people to avoid damage. UV has the most obvious effect on human skin and eyes. Short time irradiation of the human body will produce skin redness, itching, and allergic papules; long time irradiation will cause serious damage to skin tissue, and enough dose of irradiation will even cause skin cancer. Ultraviolet radiation is also very harmful to human eyes. A large dose of short-term irradiation will make...

7 things to pay attention to when using ultraviolet lamp

7 things to pay attention to when buy an ultraviolet lamp 1. Disinfection of the kitchen, regular disinfection of the kitchen tableware, chopping board, and cupboard.2. Disinfection of the bedroom, disinfection of the air, bedding, pillows, and other articles in the bedroom.3. The living room is a place where family members and friends gather. The living room should be disinfected frequently.4. Disinfection of toilet, toilet and mop pool are places where bacteria are easy to grow, so they should be...

how to choose uv sterilization lamp?

first: Deep ultraviolet waveband is the most effective in disinfection and sterilization Ultraviolet disinfection is an old and effective method. Basking in the sun is the most primitive use of ultraviolet rays to kill mites, disinfect and kill bacteria.Li Jinmin, director of the State Key Laboratory of semiconductor lighting joint innovation, said that the principle of ultraviolet disinfection and sterilization is to use high-energy ultraviolet light to break the DNA double helix chain, to achieve the inactivation of bacteria and...

The best choice for N95 mask disinfection: UV Sanitizer Lamp

With the spread of COVID-19 in the world, people's demand for masks and disinfection facilities is increasing, but the production capacity of these things is limited. Even if they spend a high price, it is difficult to buy enough masks. Disinfection and re-use is a very effective method. We introduce today how to use ultraviolet disinfection lamps to disinfect masks. We will solve the following problems today:how long the mask can be used under normal circumstances? how to use the mask...

Can I use ultraviolet lamp disinfection N95 protective mask?

Because of the COVID-19, masks are now expensive and hard to get. But masks are a great help in preventing the spread of the virus and are now a necessity. So can we disinfect N95 masks with ultraviolet lamps? The answer is: YES A study was done by the national center for biotechnology information. It basically states that you can disinfect a disposable N95 mask of viruses with a proper UV-C bulb. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4699414/ "The capacity to disinfect and reuse disposable N95 respirators may be...

How to choose the right UV sanitizer lamp?

What types of disinfection lamps can you buy on the market? 1. Straight tube bracket type The general wattage is 36W, which is installed on the ceiling. This is the disinfection lamp commonly used in hospitals. 2. Double-tube wall-mounted Generally 2 × 30W, many kitchens and pharmacies will hang a few, by the way, they can also be used to kill flies 3. High-power U-tube desktop The general wattage is 36W,It generally has remote control and regular shutdown, the family's best choice. 4. Use in small...