First, let’s be clear about terms: for specificity and to help avoid confusion, the terms “static-free” or “anti-static” were recently changed to “low charge generating.” A floor described as static-free, anti-static, or low charge generation won’t contribute to triboelectrification. This means, when people walk, the floor won’t generate static on the soles of their shoes. A low-charge generating floor is not necessarily a grounded floor. Only conductive and static-dissipative materials (materials measuring < 1.0 x 10E9)—or materials that transport electrical current—can be grounded.
Grounded ESD Floor
The fact that a floor exhibits low-charge-generating tendencies does not mean it will also dissipate static properly. Static-dissipation, and therefore conductivity, is unrelated to charge generation; one has nothing to do with the other. The ability of a floor to discharge—or dissipate—static is related to its conductivity, which is evaluated based on electrical ohms resistance tests. Charge generation is expressed in volts.
Finding the right static-control floor means matching the floor to the specific needs of the environment. A conductive floor that performs well in an electronics facility, where people are required to wear static-protective footwear at all times, might be ineffective in a data center or 9-1-1 public safety dispatch operation where people wear regular street shoes.
These two videos should help alleviate confusion and provide a good starting point for research.
How to Choose Floors for Mission-Critical Applications
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