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 B2™ matting
meets the working surface limits of EN 61340-5-1 of < 1 x 109
ohms. A variety of standard size mats are provided for ESD workstations, shelves, trolleys or cafeteria-style trays in an ESD Protected Area. Statfree B2™ is designed for the dissipative blue side to be used as the top working surface meeting the upper limit requirement and lower limit recommendation of EN 61340-5-1 Edition 1.0 2007-08 Table 3. The black side of Statfree B2™ is more conductive and provides a reliable path to ground which makes it compatible with continuous or constant monitors
. Statfree B2™ has excellent colour stability, durability and is non-humidity dependent. Statfree B2™ is manufactured without any ozone depleting substances, and in accordance with the Montreal Protocol.
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