Glossary: Dissipative Tile
A floor tile material used for the mitigation of electrostatic discharge (ESD). Usually composed of carpet, synthetic rubber or vinyl composition.
It is important to differentiate between the terms “SDT” and “static dissipative.” A static dissipative floor tile inherently meets the electrical properties of “static dissipative flooring” – . Waxes or finishes can be used to render a floor temporarily dissipative, but all finishes wear off over time. An inherently dissipative tile such as AmeriWorx SVT, with conductive particles embedded in the manufacturing process, retains its conductivity over the life of the tile.
Floors are classified as static dissipative based on their electrical resistance. Dissipative materials measure > 1.0 x 10E6 and ≤ 1.0 x 10E9 ohms. Dissipative tile meets the required resistive properties (≤ 10E9 ohms) for a floor complying with the resistance to ground parameter in ANSI/ESD S20.20.
Note: All static-control floors should be selected based on two parameters: Electrical resistance and walking body voltage. A dissipative floor tile can meet the resistance requirements of ANSI/ESD S20.20 but fail to meet the walking body voltage requirement (< 100 volts.)
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