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About This Item
Full Description
Although UVC exposure is known to be detrimental to organic materials, the degradation mechanisms of long-term UVC exposure are less understood than for the longer wavelength UV [UVA (320-400 nm) and UVB (280 – 320 nm)] present in sunlight. Standardized methods (e.g., ASTM G151 and G154, ISO 4892-1, etc.) for exposing. then evaluating. nonmetallic materials have been developed for UVA and UVB but not UVC. Therefore, this project was performed to provide information on the vulnerability of common HVAC materials to UVC so that energy consumption, life cycle cost and environmental impact can be minimized and UVC improvements to system life span and indoor environmental quality can be maximized.