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DETERMINATION OF ELECTROSTATIC CHARGE DISSIPATION PERFORMANCE FOR PROTECTIVE CLOTHING USED IN EX ENVIRONMENTS BY STANDARDIZED TEST METHODS
Abstract
The protective clothing used by workers during the performance of work tasks is subject to the electrification process. The electrification process of protective clothing results in the generation of significant amounts of electrostatic charges both on the outer parts of the protective clothing and on the users' skin, as a result of specific mechanisms for generating electrostatic charges such as electrification by contact or induction. The formation and accumulation of electrostatic charges as a result of the electrification process on protective clothing constitutes a risk when used in Ex environments, namely the occurrence of electrostatic discharges which constitute ignition sources for explosive atmospheres generated by gases, vapors, flammable mists or combustible dust mixed with air. Therefore, the work aims to identify technical solutions and the essential health and safety requirements applicable to protective clothing intended for use in environments with a risk of potentially explosive atmospheres, as well as design requirements, the application of which considerably reduces the amount of accumulated electrostatic charges and consequently the occurrence of electrostatic discharges capable of initiating explosive atmospheres.
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References5
Paun F., A., s.a., Study of the influence factors for quality assurance of determination tests of decay time for antistatic textile materials - 18th International Multidisciplinary Scientific GeoConference � SGEM 2018 Conference Proceedings, Vol. 18, ISSUE 1.4, pp 835�842, 2018, ISBN 978-619-7408-38-6, ISSN 1314-2704.
Paraian M., s.a., Measurement of charge decay time to characterize fabrics used in potentially explosive atmospheres for electrostatic discharge safety - International Multidisciplinary Symposium �Universitaria Simpro 2012� � Petrosani, 12-14 octomber 2012, ISSN 1842-4449.
REGULATION (EU) 2016/425 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 9 March 2016 on personal protective equipment and repealing Council Directive 89/686/EEC.
SR EN 1149-5 (2019) Protective clothing - Electrostatic properties - Part 5: Material performance and design requirements.
SR EN 1149-3 (2004), Protective clothing - Electrostatic properties - Part 3: Test methods for measurement of charge decay.
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