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73609

Description
Statshield Smocks Grounding, Testing and Maintenance
File Size550KB,4 Pages
ManufacturerETC2
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73609 Overview

Statshield Smocks Grounding, Testing and Maintenance

TECHNICAL BULLETIN TB-2055
Statshield
®
Smocks
Grounding, Testing and Maintenance
NO WRISTBAND
NECESSARY
Made in the
United States of America
Static Control Garment System, Garments that are used to
establish the primary ground path for a person shall provide
a resistance of less than 35 megohms from the person to
the groundable point of the garment.”[ESD TR20.20-2008
section 5.3.13 Garments]
Statshield
®
smocks are constructed of a lightweight
dissipative material which made from texturized polyester
and a minimum of 9% carbon nylon monofilament. The
conductive nylon fibers are woven in a chain-link design
throughout the material, providing continuous and consistent
charge dissipation. All of the seams in Statshield
®
smocks
are designed to maintain electrical continuity from panel to
panel and from sleeve to sleeve in accordance with the ESD
Association Garment Standard, ESD-STM2.1.
“After verifying that the garment has electrical conductivity
through all panels, the garment should be electrically
bonded to the grounding system of the wearer so as not to
act as a floating conductor.” [ESD TR20.20-2008 section
5.3.13 Garments] The conductive fabric in smock is a
conductor. If not grounded, the smock can become an
isolated charged conductor. If not grounded via a wrist strap
coil cord, ground the ESD garment using ESD footwear to
ESD flooring.
The dissipative material becomes part of the ground path
to remove static charges. Statshield
®
smocks are available
in two lengths -- the lab coat length and the jacket length.
Both lengths are available in two styles - with snaps and
with conductive elastic cuffs. Smocks are available in eight
colors* -- blue, white, teal, burgundy, black, camouflage,
pink and grey.
Statshield
®
smocks incorporate a “hip-to-cuff” grounding
feature which allows for hands-free grounding with no
cord attached to the operator’s wrist. This feature allows
connection of a ground cord to a 4mm snap stud on the hip.
A seam of carbon-suffused threads provides a secure and
direct electrical connection from the snap stud on the hip
to conductive elastic cuffs. Statshield
®
smocks ground the
person when used in this manner. Standard touch testing or
continuous monitoring can be used to test the “hip-to-cuff”
function.
*Fabric lots vary slightly in color.
COIL CORD TO GROUND
Figure 1. Desco Statshield
®
Premium Lab Coat with
Conductive Cuffs. Also available in Jacket length.
WRISTBAND (NOT INCLUDED)
SNAPS TO CONNECT TO GARMENT
COIL CORD TO GROUND
Figure 2. Desco Statshield
®
Premium Jacket with Snaps.
Also available in Lab Coat length.
Description
Desco’ Statshield
®
smocks are designed to be antistatic,
low tribocharging, and create a Faraday Cage around the
torso and arms of the wearer to protect ESD susceptible
items from electrostatic fields generated by clothing on
the operator’s clothing. Statshield
®
Smocks meet the
requirement for Groundable Static Control Garment System
per ANSI/ESD S20.20-2007’s required limit of < 3.5 X 10
7
ohm Rtg tested per ANSI/ESD STM2.1.
“While a person may be grounded using a wrist strap or
other grounding methods, that does not mean that insulative
clothing fabrics can dissipate a charge to that person’s
skin and then to ground. Personnel clothing usually is
electrically separate or isolated from the body.” “Groundable
DESCO WEST -
3651 Walnut Avenue, Chino, CA 91710 • (909) 627-8178
DESCO EAST
- One Colgate Way, Canton, MA 02021-1407 • (781) 821-8370 • Web Site:
Desco.com
TB-2055
July 2013 Page 1 of 4
© 2013 DESCO INDUSTRIES INC.
Employee Owned
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