The rule of thumb has long been that something exposed to UV light ages about 10% faster than those that are not. In other words, something exposed to UV for 4.5 years can look like it is 5 years old. Most cannot distinguish between the two unless you are seeing two differently aged items side by side. One example of this is the slight discoloration of some items near windows over long periods of time. Far UV Technologies has done a variety of limited testing on all kinds of surfaces from plastics to steel, wood, paper, countertops, clothing, paint, and food under our NASA contract and beyond. At this point, we have not noticed significant material degradation with our relatively low power lamps. Boeing has also completed significant materials testing with higher-powered lamps and also confirmed little to no materials degradation for the materials found in an airplane cockpit beyond potential discoloration for some plastics. Presumably, for the same reason, 222nm cannot penetrate the human and animal cells, the physical characteristics prevent it from penetrating most surfaces and the potential to induce significant material damage. That said, we will continue to be testing organic materials for potential longer-term impacts and recommend users with potentially sensitive applications consult with us for installation best practices.
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The use of this technology is not intended to take the place of reasonable precautions to prevent the transmission of pathogens. It is important to comply with all applicable public health laws and guidelines issued by federal, state, and local governments and health authorities as well as official guidance published by the Centers for Disease Control and Prevention (CDC), including but not limited to social distancing, face masks, vaccines, hand hygiene, and cough etiquette.
*All references to “disinfection” are referring generally to reduction of bioburden and are not intended to refer to any specific definition of the term as may be used for other purposes by the U.S. Food and Drug Administration or the U.S. Environmental Protection Agency. The disinfection technology as incorporated in Far UV Technologies products is not certified or approved for use as or for the disinfection of medical devices by the FDA. Bioburden reduction is a function of fixture run time, distance to the UV light source, air flow, room size, shadow areas and/or other factors, and the level of reduction will vary within a specific space.