EMI Shielding

EMI Shielding

EMI is a type of electromagnetic radiation that has the potential to harm, reduce, or interrupt the operations of electronic equipment and gadgets. Electromagnetic interference can move along electronic systems, cables, and conductors.

EMI Shielding gaskets and materials protect electrical equipment from harmful Electromatic Interference (EMI) and Radio Frequency Interference (RFI). This material creates a conductive path through the seams and other openings in an electronic enclosure to establish smooth current flow and prevent destruction radiation from interfering with performance by completing a Faraday shield around the electronics.

Electronically conductive rubber materials and usually EMI shielding metals are used to create EMI gaskets. They stop EMI from leaking into or out of enclosures. A relatively recent addition to the EMI shielding family, EMI gaskets provide stronger defense against radio waves whose power is constantly growing.

EMI and RFI shielding can be made from a wide range of materials. Nevertheless, because the EMI shielding procedure needs a conducting surface, pretty much exclusively metal is used. Typically, gaskets are EMI shield-attached, highly charged rubber die-cut pieces.

EMI Shielding Benefits

Users will benefit from EMI shielding in a variety of ways, including improved equipment performance, damage prevention, longevity, and sustainability. Your electrical products’ and equipment’s performance is significantly enhanced by EMI/RF shielding solutions.

They not only stop malfunction, but they also increase productivity and decrease deterioration. EMI shielding is also robust and durable. The investment will only increase in value over time. Finally, EMI/RF shielding is reusable, with the exception of coatings. This not only helps the environment but also brings down your expenses. 

EMI Shielding Applications

To resist the ever-increasing prevalence of EMI, EMI shielding must be exceptionally adaptable for particular applications. 

MIL-DTL-83528

EMI Shielding Silicone and EMI Shielding Fluorosilicone have extensive compound variations to accommodate the variety of applications to meet the needs of aerospace, military, telecommunications, and other applications requiring EMI Shielding elastomers. A highly flexible yet high conductive material that can be custom extruded, custom molded formed, die cut, CNC cut, and molded sheets.

TYPE A – Silver-plated, Copper-filled Silicone

DATATYPICAL VALUES
Operating Temperature-55°C to 125°C
Specific Gravity3.05 – 3.96
Hardness; Shore A65
Color; VisualTan
Tensile Strength; PSI200 min
Elongation% %100 – 300
Compression Set, % (70 Hours at 100°C)32 max
Volume Resistivity Ohm-cm0.004 max

Shielding Effectiveness 20MHZ – 10GHZ (E-Field), dB

>110

TYPE B – Silver-plated, Copper-filled Silicone

DATATYPICAL VALUES
Operating Temperature-55°C to 125°C
Specific Gravity1.75 – 2.25
Hardness; Shore A65
Color; VisualTan / Dark Blue
Tensile Strength; PSI200 min
Elongation% %100 – 300
Compression Set, % (70 Hours at 100°C)32 max
Volume Resistivity Ohm-cm0.008 max

Shielding Effectiveness 20MHZ – 10GHZ (E-Field), dB

>110

TYPE C – Silver-plated, Copper-filled Fluorosilicone

DATATYPICAL VALUES
Operating Temperature-55°C to 125°C
Specific Gravity1.75 – 2.25
Hardness; Shore A65
Color; VisualTan / Dark Blue
Tensile Strength; PSI180 min
Elongation% %100 – 300
Compression Set, % (70 Hours at 100°C)35 max
Volume Resistivity Ohm-cm0.015 max

Shielding Effectiveness 20MHZ – 10GHZ (E-Field), dB

>110

TYPE D – Silver-plated, Aluminum-filled Fluorosilicone

DATATYPICAL VALUES
Operating Temperature-55°C to 160°C
Specific Gravity1.74 – 2.26
Hardness; Shore A70
Color; VisualTan / Dark Blue
Tensile Strength; PSI180 min
Elongation% %60 – 260
Compression Set, % (70 Hours at 100°C)30 max
Volume Resistivity Ohm-cm0.012 max

Shielding Effectiveness 20MHZ – 10GHZ (E-Field), dB

>90

TYPE E – Pure Silver-filled Silicone

DATATYPICAL VALUES
Operating Temperature160°C – 200°C
Specific Gravity3.50
Hardness; Shore A65
Color; VisualTan
Tensile Strength; PSI200 min
Elongation% %200 – 500
Compression Set, % (70 Hours at 100°C)45 max
Volume Resistivity Ohm-cm0.002 max

Shielding Effectiveness 20MHZ – 10GHZ (E-Field), dB

>110

TYPE F – Pure Silver-filled Fluorosilicone

DATATYPICAL VALUES
Operating Temperature160°C – 200°C
Specific Gravity4.00
Hardness; Shore A75
Color; VisualTan
Tensile Strength; PSI250 min
Elongation% %100 – 300
Compression Set, % (70 Hours at 100°C)60 max
Volume Resistivity Ohm-cm0.002 max

Shielding Effectiveness 20MHZ – 10GHZ (E-Field), dB

>110

Type H – Pure Silver-filled Silicone

DATATYPICAL VALUES
Operating Temperature160°C – 200°C
Specific Gravity4.00
Hardness; Shore A80
Color; VisualTan
Tensile Strength; PSI400 min
Elongation% %90 – 290
Compression Set, % (70 Hours at 100°C)60 max
Volume Resistivity Ohm-cm0.002 max

Shielding Effectiveness 20MHZ – 10GHZ (E-Field), dB

>110

TYPE K – Silver-plated, Copper-filled Silicone

DATATYPICAL VALUES
Operating Temperature-55°C – 125°C
Specific Gravity3.8
Hardness; Shore A85
Color; VisualTan
Tensile Strength; PSI400 min
Elongation% %100 – 300
Compression Set, % (70 Hours at 100°C)35 max
Volume Resistivity Ohm-cm0.005 max

Shielding Effectiveness 20MHZ – 10GHZ (E-Field), dB

>100

TYPE L – Silver-plated, Nickel-filled Silicone

DATATYPICAL VALUES
Operating Temperature-55°C – 125°C
Specific Gravity4.00
Hardness; Shore A75
Color; VisualTan
Tensile Strength; PSI200 min
Elongation% %100 – 300
Compression Set, % (70 Hours at 100°C)32 max
Volume Resistivity Ohm-cm0.005 max

Shielding Effectiveness 20MHZ – 10GHZ (E-Field), dB

>100

TYPE M – Silver-plated, Glass-filled Silicone

DATATYPICAL VALUES
Operating Temperature-55°C – 160°C
Specific Gravity1.9
Hardness; Shore A65
Tensile Strength; PSI200 min
Elongation% %100 – 300
Compression Set, % (70 Hours at 100°C)30 max
Volume Resistivity Ohm-cm0.006 max

Shielding Effectiveness 20MHZ – 10GHZ (E-Field), dB

>100

Carbon Filled Silicone

Provides both environmental and low level RFI shielding for commercial and military applications.

DATATYPICAL VALUES
Operating Temperature-55°C – 175°C
Specific Gravity1.20
Hardness; Shore A65
Tensile Strength; PSI450
Elongation% %100
Compression Deflection3.5%
Volume Resistivity Ohm-cm8-10

Shielding Effectiveness 20MHZ – 10GHZ (E-Field), dB

5 GHZ 60dB

Nickel-plated, Graphite-filled Silicone

High shielding material that provides a durable environmental seal at a lower cost.

DATATYPICAL VALUES
Operating Temperature-55°C – 150°C
Specific Gravity1.95
Hardness; Shore A40
Color; VisualDark Grey
Tensile Strength; PSI160 min
Elongation% %280 min
Compression Set, % (70 Hours at 100°C)40 max
Volume Resistivity Ohm-cm.15 max

Shielding Effectiveness 20MHZ – 10GHZ (E-Field), dB

N/A

Nickel-plated, Graphite-filled Fluorosilicone

High shielding material that provides a durable environmental seal at a lower cost.

DATATYPICAL VALUES
Operating Temperature-55°C – 150°C
Specific Gravity1.95
Hardness; Shore A65
Tensile Strength; PSI150 min
Elongation% %100 min
Compression Set, % (70 Hours at 100°C)25 max
Volume Resistivity Ohm-cm.1 max

Shielding Effectiveness 20MHZ – 10GHZ (E-Field), dB

>100
EMI Shielding 1
EMI Shielding 2
EMI Shielding 3

We offer a full range of plastic materials to meet your needs, when you need it.

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