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How Well Does Relative Humidity Of The Surrounding Atmosphere Control The ESD?

Category: General ESD Questions

The relative humidity (RH) directly affects the ability of a surface to store surface charges. The higher the RH, the less time an item will hold a charge. The method of surface charge reduction (due to increased RH) can be attributed to recombination and or conduction. As the RH increases, so does the natural conductivity of the air, but even at 100% RH the increase in the natural discharge rate cannot be substituted for proper ESD control practices.

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