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Conductive Casters

Why Need Conductive Casters

The presence of ESD (electrostatic discharge) in the environments where the manufacture, construction and assembly of microprocessors, circuit boards, computers and sensitive electronic equipment takes place is a significant problem. Damage caused by ESD in the environments requiring the minimization of ESD include clean rooms, surgical suites and other medical environments, and where combustible gases are present.

How does a typical ESD event occur? As those casters repeatedly move across the floor, they generate an electrical charge. When the worker comes in contact with the cart, that charge, in the form of ESD, will harmlessly travel into the worker’s body (human beings are excellent conductors of electricity). The next time the worker touches an ESD-sensitive component, such as a computer chip, the resulting ESD discharging can damage the chip.

There is no single method of dealing with ESD a series of safeguard strategies should be incorporated into the workplace environment where ESD is a factor. These strategies usually include charge prevention, grounding, shielding, neutralization and education.

Conductive or Dissipative Casters are important, but often overlooked, part of an overall system of protection against ESD. Through exhaustive research, Darnell has developed a kind of conductive and dissipative casters that should be part of any integrated ESD protection program these unbalanced charges are unstable.

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