ESD / Antistatic Footwear
ESD / Antistatic Footwear is designed to drain accumulated static charge from the body slowly and in a controlled way. It differs fundamentally from EH footwear: ESD footwear (typically 10⁵ to 3.5×10⁷ ohms per EN 61340) and antistatic footwear (10⁵ to 10⁹ ohms per EN ISO 20345) allow controlled static dissipation, while EH limits current flow; neither ESD nor antistatic footwear provides insulation against electric shock. Essential in electronics, semiconductors, and pharmaceutical manufacturing.
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About this category
Electrostatic discharge (ESD) is a phenomenon that can destroy sensitive electronic circuits with a charge the worker never feels. ESD footwear uses a special outsole with calibrated electrical resistance (typically 10⁵ to 3.5×10⁷ ohms per EN 61340-4-3), while antistatic footwear is defined at 10⁵ to 10⁹ ohms per EN ISO 20345. Both let charge flow to an ESD floor at a controlled rate without allowing dangerous current through the worker. A fundamental difference from EH: EH footwear is designed for insulation, while ESD and antistatic footwear provide no insulation against electric shock. Classification follows EN 61340-5-1 (Europe) or ANSI/ESD S20.20 (US). Materials: PU or PVC outsole blended with carbon fibers, ESD-safe leather or textile uppers, and conductive inner liner. Antistatic approval (EN ISO 20345) and ESD approval (EN 61340-4-3 within an EN 61340-5-1 programme) are separate, and testing the shoe alone is separate from the performance of the person/footwear/floor system; values are taken from the standard edition and model data. Applications: semiconductor manufacturing, PCB assembly, phone and computer manufacture, pharmaceutical plants (to prevent static in flammable environments), and areas with flammable vapors. An important technical note: ESD does not provide electrical insulation — in fact, the opposite, it allows charge flow; therefore it is prohibited for live electrical work. Specifications follow EN 61340-5-1 and ANSI/ESD S20.20 by model.
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Electrostatic discharge (ESD) is a phenomenon that can destroy sensitive electronic circuits with a charge the worker never feels. ESD footwear uses a special outsole with calibrated electrical resistance (typically 10⁵ to 3.5×10⁷ ohms per EN 61340-4-3), while antistatic footwear is defined at 10⁵ to 10⁹ ohms per EN ISO 20345. Both let charge flow to an ESD floor at a controlled rate without allowing dangerous current through the worker. A fundamental difference from EH: EH footwear is designed for insulation, while ESD and antistatic footwear provide no insulation against electric shock. Classification follows EN 61340-5-1 (Europe) or ANSI/ESD S20.20 (US). Materials: PU or PVC outsole blended with carbon fibers, ESD-safe leather or textile uppers, and conductive inner liner. Antistatic approval (EN ISO 20345) and ESD approval (EN 61340-4-3 within an EN 61340-5-1 programme) are separate, and testing the shoe alone is separate from the performance of the person/footwear/floor system; values are taken from the standard edition and model data. Applications: semiconductor manufacturing, PCB assembly, phone and computer manufacture, pharmaceutical plants (to prevent static in flammable environments), and areas with flammable vapors. An important technical note: ESD does not provide electrical insulation — in fact, the opposite, it allows charge flow; therefore it is prohibited for live electrical work. Specifications follow EN 61340-5-1 and ANSI/ESD S20.20 by model.
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