TECHNICAL
BULLETIN
• Conductive elastomers • Knitted wire mesh
• Low closure force, foam core EMI gaskets
• Conductive coatings, sealants, adhesives
• Cable shielding products • EMI/ESD shielding laminates
• Shielded vents and windows
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LEADER IN EMI SHIELDING INNOVATION, DESIGN, AND TEST TECHNOLOGY
®
SOFT-SHIELD 5000 Series
Conductive Jacket over Foam
Low Closure Force EMI Gaskets
DESCRIPTION
SOFT-SHIELD 5000 Series EMI gaskets are designed to meet
the stringent shielding and mechanical performance requirements
of today’s commercial electronic enclosures, medical electronics,
factory automation equipment, reprographics and grounding
applications. A growing number of standard profiles and sizes
provide flexibility when selecting a gasket for a specific applica-
tion. Custom profiles or sizes can also be produced.
Each SOFT-SHIELD 5000 Series gasket consists of an electri-
cally conductive fabric jacket over a highly compressible urethane
foam core. The nickel-plated, woven nylon rip-stop jacket is self-
terminating when cut. Chosen for its excellent compressibility, the
foam core typically requires less than 1 lb/in (0.175 N/mm) closure
force, making it especially useful for thin-walled plastic enclosures.
Standard pressure-sensitive adhesive attachment tape (PSA)
makes SOFT-SHIELD 5000 Series gaskets a user-friendly and
cost-effective design solution.
Every profile in the SOFT-SHIELD 5000 Series can be provided
in a General Duty version or a UL 94V-0 rated version, as needed,
with no difference in performance.
FEATURES
• Choice of General Duty or UL 94V-0 rated versions
• Typically require <1 lb/in (0.175 N/mm) closure force – 5 times
lower than other gaskets
• >90 dB attenuation from 20 MHz to 10 GHz
With an extensive choice of profiles and sizes, SOFT-SHIELD
Gaskets are supplied as strips or kiss-cut parts on film release
backers, or individual pre-cut pieces. Pressure-sensitive adhe-
sive is standard. Single-piece picture frame gaskets also can
be fabricated from continuous lengths, incorporating integral
pre-cut notches for fasteners. (See page 2.)
• Asymmetrical profiles, as well as “C”, “V”, “P”, “D” shapes
• No performance degradation after 10,000 compression cycles
• Wide release liner for easy removal
• Kiss-cut parts on release sheets for easy “peel-and-stick”
grounding applications
• Self-terminating jacket – no sharp edges
CONFIGURATIONS
• Tested to Bellcore GR-64-Core Airborne Contaminants
requirements
Gaskets are supplied in standard 8-foot lengths or cut-to-length
strips. Depending on the profile, gasketing can also be supplied
on spools. For rapid peel-and-stick grounding applications, the
material is supplied as kiss-cut parts on polyester film release
backers, or as individual pieces.
Chomerics also fabricates single-piece, spliced picture frame
gaskets from continuous lengths. With their fully jacketed surfaces,
these gaskets are ideally suited for low closure force applications
that require 360° EMI shielding, or the ease of installing a one-
piece gasket (see next page).
• Custom lengths, custom profiles
BENEFITS
• Cost-effective
• Alternative to BeCu fingerstock
• Pick and place installation
• Technical application support
• Global distributor/fabricator network
• Application-ready custom parts (die-cut, spliced, etc.)
Chomerics’ Applications Engineering department welcomes the
opportunity to provide assistance with design and prototype
fabrication of SOFT-SHIELD 5000 Series EMI Gaskets in custom
profiles.
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