Hugh Hoagland and his team from e-Hazard went to Louisville Processing and Cold Storage to conduct a series of experiments on anti-fogging technologies in face shields. The experiments were conducted in the facility’s Cold Room, a controlled environment of -13 degrees Fahrenheit (-25 Celsius). The experiments were a simulation of workers using Personal Protective Equipment for arc flash protection in an extreme cold work environment.
The tests were the results of several complaints from utility companies in Canada regarding the fogging up of face shields on PPE worn in extremely cold temperatures. Utility workers were reporting difficulties in the performance of anti-fog face shields once temperatures reached an extreme low level. Once the face shield was partially or completely fogged, workers could not see clearly to work and took the shield off altogether, exposing them to arc flash hazards.
Included in the 3 minute tests performed were the following:
Anti-Fog Treatment (Three Brands)
Anti-Fog Lining (New Technology)
No Anti-Fog — Warm Face Shield (taken from 40F into the -13F)
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