Desco - Questions And Answers

What special precautions or cleaning should be taken with ESD safe shoes? -Michael Iriarte, M.S. Carriers, Atlants, Georgia

ESD Safe shoes should comply to the ESD S9.1, ESD Association’s standard on Footwear – Resistive Characterization, especially after cleaning. Make sure that the cleaning agents used are not composed of any insulative materials such as lanolin, soaps, lanolin, free-salts, silicone and mineral oil. Dry friction cleaning (electric or manual) the bottom sole of the shoe helps reduce the build-up of dirt and other contaminants on this critical contact surface. Note: The recommended electrical resistance range for static control footwear is 1x10⁶ ohms to 1x10⁹ ohms. Values less than 1x10⁶ ohms may present an electrical hazard. Values grater than 1x10⁹ ohms may exhibit increased dissipation times. Note: It is recognized that some hygroscopic materials (such as, but not limited to, leather) may have results that fluctuate and do not remain within a specified minimum or maximum resistance range as the environmental conditions change.

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