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An indoor work environment can cause problems with static electricity, which can cause a variety of problems ranging from personal shock, discomfort to discharge to sensitive electronic equipment. The latter can result in malfunction or total failure of components.
Floor coverings such as carpets containing floor-stat® completely eliminate static problems, even if the person working and the floor are not grounded, as is the case in most industrial situations.
Carpets and other floor coverings are often considered the main cause of static electricity, but this is only part of the story. The main cause of static charge in both living and working environments is the interactive movement between two materials and the subsequent separation of them. During separation, a static charge is generated on each surface, which can be measured or defined in terms of voltage.
Examples:
If a person stands up from a chair and steps on an insulated floor or wears insulating shoes, a voltage of up to 20,000 volts can occur.
If a person simply walks on an insulated floor or wears shoes with insulating soles, such as sneakers, the person may be carrying up to 12,000 volts.
Touching an earthed object, a light switch, a metal railing or a computer can cause a discharge of the resulting body voltage.
Static shock can be felt even at discharges of more than 2,000 volts, and electronic equipment can malfunction.
A person walking on a non-antistatic floor covering can generate high body tension in this way, but the main body charge or body tension is generated when a person stands up from a chair. If the carpet is not antistatic, this high voltage remains in the body (body tension) until the person is in close proximity to a grounded conductive material such as a light switch or metal cabin.
Textile floor coverings containing floor-stat® draw the high voltage from the body into the carpet, where it is neutralized.
floor-stat®, introduced into the carpet structure in defined patterns, reduces body voltages below 2000 volts, which completely eliminates all static problems in the working environment.
Carpets with floor-stat® provide complete antistatic control, even if the person wears insulating shoes and the floor is not completely grounded
Although the carpet may not be the original cause of generating high body tension, if it is not antistatic, there is a risk of maintaining this high tension.
By introducing floor-stat® into the carpet structure in a defined construction, it ensures that a person walking or moving on the carpet cannot contain body voltage above 2000 volts, thus avoiding static shocks or possible damage to computer components.
The key to performance is to ensure that the person walking on the carpet cannot reach a body voltage of more than 2000 volts.
The carpet manufacturers have been aware of this requirement for many years. As a result, several international test methods have been introduced to measure body tension when walking on the carpet under various critical conditions
Such standard test methods are:
EN1815
ISO6365
AATCC134
In a special work environment (e.g. electronics clean rooms), it may be necessary for the carpet to provide a direct ladder path from the person directly to the floor.
Here the following test standards are used as a basis:
EN61340-4-1
ISO10965
EN1081
When such performance is required, the carpet or floor covering is classified into one of two categories
Conductive: specific resistance <106
Static dissipative: specific resistance <109
However, such performance requirements are only necessary if the entire system is fully grounded. Conductive footwear, floor coverings and the floor itself must be fully grounded
It should also be noted that the conduction power measured by such tests has no relation to the actual body tension generated by walking on the carpet, especially if the person and the carpet are not grounded.
It is possible that a carpet covering – with a very low resistivity below 106 – may generate body voltages higher than 2000 volts if the person is wearing insulating shoes and the carpet and floor are not fully grounded.
The integration of floor-stat® in floor coverings prevents static charging of the working environment under all conditions existing at the workplace, even in unearthed areas.
Since, realistically speaking, grounding can never be 100% guaranteed, floor-stat® closes a safety gap that should not be underestimated when used in floor coverings such as carpets or floor mats.
Both physical damage to employees and economic effects, e.g. through damaged components, are practically excluded.
floor-stat® L
Color: Very Light; Polymer: Nylon 6.6
(dtex +/- 1.5)
dtex
20 f 2
den
18 f 2
floor-stat® ML
Color: Light; Polymer: Nylon 6.6
(dtex +/- 1.5)
dtex
20 f 2
den
18 f 2
floor-stat® MD
Color: Grey; Polymer: Nylon 6.6
(dtex +/- 1.5)
dtex
20 f 2
den
18 f 2
floor-stat® D
Color: Dark Grey; Polymer: Nylon 6.6
(dtex +/- 1.5)
dtex
20 f 2
den
18 f 2
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