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Silicone or fluorosilicone elastomers filled with conductive particles. Available as extruded or moulded products. Conductive fillers include, silver plated aluminium, silver plated copper and nickel graphite.
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Carbon-plated conductive fabric can solve some appearance problems such as stains, spots, etc. It also makes the products more resistant to oxidation. Accordingly, the long-term service life of the products is guaranteed.
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SSI's engineered electrically conductive elastomers (conductive rubber) provide sealing solutions for mission critical applications that require both environmental and electromagnetic interference, electrostatic discharge, and radio frequency shielding. The incorporation of elastomers with alloys creates a multi-material compound capable of providing electrical shielding with the superior physical properties of an engineered elastomer. SSI's material engineering team utilizes a variety of elastomeric binders combined with a large array of conductive fillers to custom design solutions for all types of applications in the aerospace, semiconductor, and medical device industries.
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Abnormity EMI gasket manufactured in our company can offer high shielding effective with low resistivity ,our company developed molding machine which made the production efficiency of abnormity gasket improved more and more compare with some famous enterprises,Regarding to some products using inside body froth of affuse which need enormous quantities order to start products ,but our company can complete low batch of order accroding to adjust our molding machine .
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Fabric over foam gaskets are made of a resilient foam core, bonded over with conductive fabric. More than 70 different profiles offer unlimited selection for any application. Some profiles contain rigid inserts. Metallized conductive fabric bonded to resilient core (available in urethane foam, neoprene sponge) offers a good shielding efficiency and works as a seal to block air, light and dust.
- UL94-V0 certified
- RoHS compliant
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Trademark EMI gasket is a registered trademark of our company ,It's manufactured by PU foam wrapped with conductive fabric which been exported from Japan high technology enterprise ,can offer high shielding effective with low resistivity.
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Available in a wide range of standard profiles and
special design profiles. From a simple “O” ring
cord down to complex hollow forms. Particularly
suitable for applications requiring low closure
forces. Profiles can be supplied adhesive backed
or with rivet/screw holes for easy assembly.
Secondary environmental sealing can be
incorporated into the gasket.
Comprehensive ranges of cross sections are
available in extruded form. The profiles below are
preferred standard that are readily available.
Other special profiles are available upon request.
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OmniSpring™
The OmniSpring™ product line was developed to optimize the latching, locking and electrical contact capabilities of high-performance electronic components used under extreme service conditions. The wide selection of available springs and materials enables us to meet the requirements of a wide range of applications. Our expert engineers will recommend the optimal solution based on the unique product attributes of each spring type. The four basic spring types are customizable and can be optimized for:
> Latching, locking and electrical contact
> Current corrosion resistance
> Electrical DC resistance
> Spring load
> Deflection
> Mounting
OmniSpring™ products are designed to fit in all standard hardware glands such as MIL-G-5514, AS4716, industrial, metric and JIS, as well as custom gland sizes. OmniSpring™ products are available from 0.039" (1mm) up to 393" (10m) in diameter.
> Load: Three standard load ranges from 2 lbs/linear inch to 67 lbs/linear inch
> Resistance: 0.042 mΩ to 27.10 mΩ
> Over 15 materials available
> 5 plating options available
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OmniShield™
The OmniShield™ product line was developed to optimize the EMI/RFI properties of high-performance electronic components used under extreme service conditions. The wide selection of available springs and materials enables us to meet the requirements of a wide range of applications. Our expert engineers will recommend the optimal solution based on the unique product attributes of each spring type. The four basic spring types are customizable and can be optimized for:
> EMI/RFI attenuation and shielding
> Current corrosion resistance
> Electrical DC resistance
> Spring load
> Deflection
> Mounting
OmniShield™ products are designed to fit in all standard hardware glands such as MIL-G-5514, AS4716, industrial, metric and JIS, as well as custom gland sizes. OmniShield™ products are available from 0.039" (1mm) up to 393" (10m) in diameter.
> Shielding quality: 107dB to 164dB at 200MHz and 96dB to 159dB at 1000MHz
> Load: Three standard loadranges from 2 lbs/linear inch to 67 lbs/linear inch
> Over 15 materials available
> 5 plating options available
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· CONDUCTIVE FABRIC WRAPPED OVER FOAM OR
SPONGE CORE AND DIE-CUT AS DRAWING
· SUITABLE FOR USE ON METAL ENCLOSURES OR
METALLIZED PLASTICS
(LOW COMPRESSION FORCE)
· OVER 100dB AVERAGE SHIELDING EFFICIENCY IN
THE RANGE 100MHz-10GHz
· RIP-STOP FABRICS THAT ALLOW
SELF-TERMINATING CUT ENDS ON GASKETS
· AVAILABLE WITH SILVER OR NICKEL COPPER
FABRIC TO ASSURE THE BEST GALVANIC
COMPATIBILITY
· PRESSURE SENSITIVE ADHESIVE TAPE
(optional)
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I/O EMI shielding gasket been manufactured for the purpose of satisfy some non-frequency used equipments such as I/O of computers .it's also used in daily standard connector that not shear to input,foam can use nickel-plated (X,Y and Z axis conductivity) or ordinary PU foam.
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Characteristics:Gold has excellent conductive performance and can guarantee the electrochemical compatibility and stability among base material in a very large range.can offering high shielding effective with low resistivity .fit for special environments.
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· SILVER PLATED SYNTHETIC YARN KNITTED OVER
ELASTOMER
· OPTIMAL ELECTRICAL CONDUCTIVITY OF EVERY
SINGLE FIBER
· HIGH COVERAGE KNITTED YARN FOR WIDE
CONTACT SURFACE AND SHIELDING
· SMOOTH AND SOFT SURFACE GASKETS
· SELF-TERMINATING CUT ENDS
· PRESSURE SENSITIVE ADHESIVE
· CUSTOMIZED AND CUT-TO-LENGTH GASKETS
· SHIELDING EFFICIENCY AS HIGH AS 100 dB IN A
FREQUENCY RANGE OF 1 MHz TO 1GHz (E-field)
· Standard core material: NEOPRENE SPONGE.
Other core materials available upon request
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A composite of metal sheeting impregnated with an elastomer to yield a highly conductive, yet resilient Gasketing material for EMI/RFI shielding as well as an environmental seal. A selection of Woven aluminium wire, expanded aluminium or monel sheet impregnated with silicone, fluorosilicone or neoprene rubbers are available. Expanded Monel wire is also available without the elastomer filler for use in applications where an environmental seal is not necessary. The material can be supplied as continous sheet or as die cut gaskets to customers requirements.
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Elastomer core gaskets are made of a resilient rubber core,
knitted over with layers of wire mesh (the standard is two
layers). The knitted wire element provides EMI shielding
effectiveness, while the elastomer core enables the gasket
section to recover more readily, following repeated
compression. Elastomer core gaskets are used where the
application requires a conformable EMI seal and even where a
dust protection is needed.
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CLIP-ON TRICAT
black E.P.D.M.
Harsh environment
Temperature tolerance : -40 to +120°C
Inflammable : M2 classification UL94 V-1
Mesh : tin-plated copper-clad steel, monel or galvanic steel
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This style combines a high dynamics range of deflection , very low compression force and a long service life after repeated compressions . Provides a firm grip on the mounted panel section . Ideal for situations where adhesive attachment is not desired .Simple , quick clip –on assembly
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The TISCAT is made of an elastomer sponge core covered with a metal polyester jacket.
The TISCAT is supplied with a pressure-sensitive adhesive which provides an easy, fast solution to install the TISCAT.
It's earthing properties are also good.
Sponge elastomer core : polychloroprene, polyurethane…
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Leader Tech's Electrically Conductive Elastomer materials are ideal for customer applications requiring both excellent EMI shielding and environmental sealing across a wide temperature range. Conductive Elastomer compounds are available in standard and custom configurations including extruded, molded, sheet stock, and die cut gaskets.
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Over-Molded Cover Seals
Enclosure shielding and environmental sealing performance are improved in a number of ways when conductive elastomer gaskets are molded directly to a flange surface instead of being adhesive bonded or mechanically attached. Over-molded gaskets provide the optimum seal profile, achieving more gasket deflection with limited closure force when compared to flat, bonded gaskets.
Molded D- and O-Rings
Parker Chomerics' D-ring and O-ring conductive elastomer gaskets provide moisture/pressure sealing and EMI shielding when compressed in a properly designed groove. They are interchangeable with standard non-conductive seals of the same dimensions.
Custom Molded Gaskets
Parker Chomerics can mold conductive elastomer EMI gaskets to fit practically any application. Custom molded elastomer gaskets can include tight corners, retention bumps and other special geometries. Many other features can be added, such as fabric or mesh reinforcement, pressure-sensitive adhesive, fasteners and compression stops. Non-conductive silicone environmental seals can be bonded to or co-molded with conductive EMI shielding elastomers.
Connector Gaskets
Chomerics' die-cut conductive elastomer gaskets provide shielding and environmental sealing when inserted between a connector flange and their mating surfaces. A variety of Mil-Standard mounting flange EMI gaskets are available, along with interfacial EMI seals and jam nut seals. Chomerics also provides D-subminiature rectangular gaskets in a complement of shell sizes from 9 to 50 pin.
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Conductive Non-Woven textile appears as compact felt, characterized by a less volumetric resistivity, very good punching and competitive price with respect to other materials, above all for medium/great (>5.000 pieces).
Such materials can be supply as semifinished in rolls or various height and length spools for following customer machining or punching on drawing.
Their use is recommended when it take a good Shielding Performance, electrostatic discharges protections or grounding, without particular environmental requirements.
Typical applications are: cable flanges, panel or plate connectors, permanent closings on cabinets and easy to apply for shielding rooms.
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Conductive foam offers unmatched compression set performance while providing a relatively soft Compression Load Deflection (CLD) curve. Lower CLD properties further reduce the potential for distortion while in application. When the gasket is compressed greater than the recommended 50%, compression force is reduced by half.
A popular Laird Technologies product in this category is Electro-Seal conductive elastomers. Electro-Seal conductive elastomers are ideal for both military and commercial applications requiring both environmental sealing and EMI shielding. Compounds can be supplied in molded or extruded shapes, sheet stock, custom extruded or die-cut shapes to meet a wide variety of applications. Electro-Seal conductive elastomers provide shielding effectiveness up to 120dB at 10GHz.
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Conductive urethanes are made by three layers, PET + PU + PET, heat sealed between them and made conductive through chemical-galvanic bath (Cu+Ni).
They appears as soft mat (width 30cm), sufficiently compact.
Able to realize punching gaskets for flanges and connectors, are also particularly suitable to realize shielding cells (compartimentation).
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Fabric-over-Foam EMI gaskets offer high conductivity and shielding attenuation and are ideal for applications requiring low compression force. The Fabric-over-Foam profiles are available in a UL 94V0 flame retardant version and offer high abrasion and shear resistance. Typical Fabric-over-Foam EMI gasket applications include shielding or grounding of computer and telecommunications equipment seams and apertures.
Laird Technologies provides the widest range of shapes and thickness to meet any design need. Depending on the shape and Fabric-over-Foam materials, compression of the gasket from 30% to as high as 75% can be allowed, thereby accommodating the tolerances of your mechanical system.
There are a wide range of enclosure materials and operating environments, so material compatibility is critical for reliability. Laird Technologies offers the widest range of materials in the industry and can design a solution for your application. Custom sizes and shapes can be designed to meet your application requirements, along with special purpose pressure sensitive adhesives and other features.
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Available in a wide range of standard profiles and special design profiles. Sheet with conductive adhesive,“O” ring, cord and hollow shape. Nickel-graphite, graphite and silver base.
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Connector gaskets can be die-cut to specification. They increase the electric continuity between connector gaskets and boxes.
The texture, homogeneity and chemical composition of the silicone base is not changed or modified by the presence of metal wires. The tolerance of NEOSIL F to
chemical corrosion and vibration as well as its durability are the same as for pure silicone. The presence of wires running perpendicular to the surfaces, but contained in the mass of the material, does not affect the airtightness or watertightness performance of NEOSIL F. In addition, since Monel wire ensures good compatibility with most metals, even the slightness galvanic corrosion is rarely detected between NEOSIL F gaskets and its support, even in aluminium.
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These EMI Shielding Gaskets are realized covering one soft foam of Polyurethane, Silicone or Neoprene with conductive polyester woven (Nickel or Tin-Copper electroless or galvanic deposit on all single polyamide yearns and then weaved).
This contribute to obtain excellent efficiency shielding and invariability in the time of the conductivity value (until 0.08 Ohm/sq - value max).
The sizes are square, rectangular, circular or "D" but our equipment, however, allow different form sections.
The installation, usually, is realized by a biadhesive tape laid on a side of the gasket (standard).
Considered high abrasion resistance of covering woven of these gaskets, ideal use is on cabinet doors subject to frequent openings, therefore where it is normally desired a puny clothing strength.
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Used where a concentration of high contact force is needed to assure strong electrical bond ; ie in a vibrating environment . Avalaible with optional conductive adhesive
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Bal Shield™ provides excellent grounding/shielding solutions for products subject to shock, vibration, and temperature cycling environments.
Bal Shield™ solutions utilize canted-coil springs that are available in small packages - with wire dimensions from 0.0025" (0.064mm) and coil heights from 0.020" (0.51mm).
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