The purpose of an ESD protective working surface is to aid in the prevention of damage to ESD sensitive items (ESDS) and assemblies from electrostatic discharge. ESD mats need to be grounded. A ground wire from the mat should connect to the common point ground which is connected to ground, preferably equipment ground. For electronics manufacturing a worksurface resistance to ground (Rg) of 1 x 104 to less than 1 x 109 ohms is recommended. Best practice is that ground connections use firm fitting connecting devices such as metallic crimps, snaps and banana plugs to connect to designated ground points. The use of alligator clips is not recommended. Find accessories here.
To ensure the continuing safety of people and ESD-sensitive electronics, all static-controlled workstations should be periodically tested for ground integrity. See our resistance tester section
for more details.
For optimum electrical performance, surfaces must be cleaned regularly using an ESD mat cleaner. Vermason suggests using our Reztore™ Surface & Mat Cleaner
. Do not use cleaners with silicone. Silicone buildup will create an insulative film on the surface.
Vermason's Statfree Z2™ material is a highly effective three-layer material. Its durable vinyl top layer makes it ideally suited for use as an ESD protective bench mat meeting the working surface limit and recommendation of EN 61340-5-1. Its highly conductive middle layer provides consistent, reliable and defined path to ground. The cushioned dissipative bottom layer provides energy absorption, protecting components such as disk drives susceptible to physical shock, and makes it easier to pick up small parts. The heat fused vinyl composite resists delamination and is compatible for use with continuous monitors.
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