8 Treston - ESD workspaces Semi-conductive laminate level • Grounding resistance 106 – 108 Ω • Surface resistance 106 – 109 Ω • Withstands the heat of the soldering iron, most acids and bases Semi-conductive painted steel parts • Surface resistance 105 – 109 Ω Semi-conductive Polypropylene = PP • Surface resistance 103 – 106 Ω • Throughput 103 – 106 Ω / • Temperature resistance from -20° / + 70° C Semi-conductive polystyrene = PS • Surface resistance 103 – 106 Ω • Throughput 103 – 106 Ω • Temperature resistance from -40° / + 55° C ESD materials 6-Point checklist for creating and maintaining an EPA 1 CONTROL PLAN Includes e.g. component/product sensitivity levels, ESD protection level, daily routines and maintenance procedures. 2 FLOORING Grounded ESD floor or mat enables convenient usage of trolleys and chairs in EPA. 3 FURNITURE All furniture in EPA needs to be grounded. 4 PERSONNEL Wrist strap is the most efficient way to ground people working on EPA. 5 STORING, MOVING AND PACKING Store ESDS components in their original packages and minimise the transportation and movements. 6 CLEANING AND TESTING Regular cleaning with ESD detergent in EPA maintains the ESD protection.
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