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Question How well does relative humidity of the surrounding atmosphere control the ESD? - Rick Dibble, Palmyra, NY
Answer 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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