Rating Different Types of Staticworx™

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ESD Flooring by Application

 

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The Facilities Manager's Guide to ESD Flooring Materials -Published in the November 03 issue of Conformity Magazine Developments in flooring technology provide more options and offer flexible approaches.

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Application/ Usage Area	ESD Carpet Tile	ESD Carpet (Broadloom)	ESD Vinyl Tile (Conductive)	ESD Epoxy	ESD Rubber (Conductive)	LAN	SDT Vinyl Tile (Dissipative)
HR = Highly Recommended • R = Recommended • NR = Not Recommended
Mission Critical Data Centers	HR	R	HR	NR	HR	N/A	NR
Electronics Manufacturing ANSI/ESD S20.20-2007	Use Conductors line of ESD Carpet Tile	NR	HR	HR, R, NR (Check Body Voltage Properties)	HR	N/A	NR
Offices Inside Electronics Manufacturing or Testing	HR	R	R	R	HR	N/A	NR
Areas where circuit boards are handled	HR	NR	HR	HR, R, NR (Check Body Voltage Properties)	HR	N/A	NR
Engineering Areas	HR	HR	HR	NR	HR	N/A	NR
Manufacturing areas — high abuse, heavy traffic ANSI/ESD S20.20-2007	NR	R	HR	HR, R, NR	HR	N/A	NR
R & D	HR	R	HR	NR	HR	N/A	NR
Electronics Labs	HR	R	HR	NR	HR	N/A	NR
Networked Offices	HR	HR	R	NR	R	N/A	NR
911 Applications	HR	R	R	NR	HR	N/A	NR
Mission Critical NOC	HR	R	R	NR	HR	N/A	NR
Command Centers	HR	R	R	NR	HR	N/A	NR
Flight Control Towers	HR	R	R	NR	HR	N/A	NR
TRACON	HR	R	R	NR	HR	N/A	NR
ARTCC and AFSS Facilities	HR	R	R	NR	HR	N/A	NR
Mission Critical Government: Pentagon, NSA, Armed Forces Command	HR	R	HR, R	NR	HR	N/A	NR
Clean Rooms	NR	NR	HR, R	HR, R	HR	N/A	NR
Hospital/OR/MRI	HR	R	R	NR	HR	N/A	NR
Loading Areas	NR	N/A	R	HR	R	N/A	R
Warehouses	NR	N/A	R	HR	R	N/A	R
Non-Mission Critical Offices	HR	HR	R	NR	R	HR	NR

 

HR = Highly Recommended      R = Recommended     NR = Not Recommended

Some notes about rating criteria:

1. ESD epoxy was rated "HR, R, NR" for some applications because many ESD epoxy floors contribute to body voltage generation unless they are carefully matched with complementary footwear.
2. Static dissipative floors like LAN and SDT lacked recommended ratings because ESD consultants do not recommend static dissipative floors with electrical resistances above 1.0 X 10E7.
3. Certain floors are known to generate high quantities of static if they are used in applications where personnel wear conventional/everyday footwear. High static generation is possible if everyday footwear is worn on any ESD epoxy/urethane, static dissipative tile (SDT) or Low kV computer grade data guard carpets.
4. Based on numerous studies, EC rubber and conductive carpet tile inhibit static generation on moving persons regardless of footwear.
5. ANSI/ESD S20.20-2007 strongly recom mends performing several different tests to determine the best ESD flooring option. The recommended tests include all of the following:

a. Resistance to ground measured in ohms
b. System resistance to ground including the person, footwear and static control floor.
c. Walking body voltage on a moving person.

 

The ideal range regarding electrical resistance for ESD flooring systems (illustrated below) is defined in ANSI/ESD S20.20 - 2007 for system resistance. All Staticworx™ products meet this specification to deliver true Class Zero ESD protection.