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Can PFE filterability reach 95% after 3-5 days of your meltblown cloth?
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Can PFE filterability reach 95% after 3-5 days of your meltblown cloth?

Recently, a news broke the circle of friends: the United States released a test report on Chinese masks, and over...

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How to choose the right electrostatic electret generator
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How to choose the right electrostatic electret generator

As the US FDA/CDC canceled nearly 80% of the mask whitelist companies in China, it encountered the Canadian government requiring...

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The meaning of ultraviolet rays, wavelength band (UVA, UVB, UVC) and hazards
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The meaning of ultraviolet rays, wavelength band (UVA, UVB, UVC) and hazards

Ultraviolet rays are rays of sunlight with a wavelength of 100 to 400 nanometers (nm). English is ultraviolet, ultra- means...

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Working principle of ultraviolet lamp and test method of ultraviolet lamp
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Working principle of ultraviolet lamp and test method of ultraviolet lamp

Ultraviolet lamps are a type of light source that can produce ultraviolet light with a large effective range. In fact,...

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Disinfection method and radiation intensity detection of medical ultraviolet lamp
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Disinfection method and radiation intensity detection of medical ultraviolet lamp

Medical ultraviolet lamps mainly sterilize indoor air. There are two methods: indirect irradiation and direct irradiation. Indirect irradiation method: the...

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Use and detection method of ultraviolet germicidal lamp
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Use and detection method of ultraviolet germicidal lamp

Ultraviolet sterilization is a traditional and effective disinfection method. It has been widely used in hospitals, food factories, water treatment,...

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The Difference Between The Total Luminous Flux Test Results Of The Integrating Sphere And The Goniophotometer When Testing Bare Light Sources (Small Lamps) And Big Size lamps
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The Difference Between The Total Luminous Flux Test Results Of The Integrating Sphere And The Goniophotometer When Testing Bare Light Sources (Small Lamps) And Big Size lamps

According to the provisions of IESNA-LM-79-08, both the integrating sphere system and the goniophotometer can test the luminous flux and...

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Precautions for production and use of infrared forehead thermometers
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Precautions for production and use of infrared forehead thermometers

Forehead thermometers is both medical product and electronic product. It only needs one or two seconds to complete a body...

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How to detect a qualified mask according to the standard of each country
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How to detect a qualified mask according to the standard of each country

Mask standard: N95 is produced according to American standards; FFP2 is according to European standard EN149; KN95 is the Chinese...

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