EMI shielding gasket - Load Silicone (or Fluorosilicone)

Silicone gaskets for EMI and RFI shielding are extruded or cut loaded silicone parts. These EMI shielding gaskets are widely used on groove or screwed (for flat EMI gaskets).

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Matériaux
Silicone (or fluorosilicone) loaded with conductive material: Nickel and Graphite (Ni/C) or Silver and Aluminum (Ag/Al)
Procédés de Fabrication
Loaded silicone is extruded using a standard or a custom profile. EMI shielding gaskets can also be made cut on a silicone sheet.
Charge disponible:
Mainly Ni/C, can also be Ag/Al for higher conductivity requirements.
Conductivité:
<0.12 ohm-cm
Prototypage:
EMI shielding gaskets can be used for prototyping starting from standard extrusion profiles or silicone sheet.
Dureté:
60 Shore A (+/-10)
Options
Fluorosilicone (higher resistance to harsh environment)
Packaging
EMI shielding gaskets are packaged on reel (for linear production) or on individual packages (jointed gaskets)
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Description

EMI shielding gaskets or extruded or cut. The raw material is a loaded silicone (Ni/C or Ag/Al). We can also use a fluorosilicone material for higher resistance to oil or hydrocarbon.

These EMI shielding gaskets or harder than standard silicone gasket (around 65 Shore A). However it is mainly used for high ingress protection level (IP).

These EMI shilding gaskets are used for electromagnetism protection and sealing (IP) using one kind of gasket.

Due to the high resistance and stability of the loaded silicone it is wildly used in medical, military, telecom and nuclear projects.

Loaded silicone used to manufacture EMI shielding gaskets:

Silicone loaded with conductive graphite (C) and nickel (Ni) particles (Ni/C conductive gasket)
EMI/EMC shielding gasket with Ni/C conductive particles - Compelma
EMI/EMC shielding gasket with Ni/C conductive particles
Silicone loaded with conductive silver (Ag) and aluminum (Al) particles (Ag/Al conductive gasket)
EMI/EMC shielding gasket with Ag/Al conductive particles - Compelma
EMI/EMC shielding gasket with Ag/Al conductive particles
Silicone loaded with graphite and nickel (Ni/C) VS silver and aluminum (Ag/Al) :
Color:
  • Ni/C : Dark grey
  • Ag/Al : White/Grey
Volume resistivity:
  • Ni/C : 0.1 Ω*cm
  • Ag/Al :<0.008 Ω*cm
Density:
  • Ni/C : 2.0 to 2.3 g/cm³ ±0.1
  • Ag/Al : 2.1 g/cm³ ±0.05
Hardness:
  • Ni/C : 55 to 75 Shore A ±5
  • Ag/Al : 65 to 78 Shore A ±5
Tensile strenght:
  • Ni/C : 1.4 to 2 MPa
  • Ag/Al : 1.5 to 2MPa
Elongation at break:
  • Ni/C : 60 (fluorosilicone) to 100%
  • Ag/Al : 30 (fluorosilicone) to 50%
Tear strength:
  • Ni/C : 4.0 to 6.2 kN/m
  • Ag/Al : 5.3 kN/m
Compression set:
  • Ni/C : 25 to 30%
  • Ag/Al : 30%
Temperature range:
  • Ni/C : -45°C to +150°C
  • Ag/Al : -55 to 160°C
EMI/EMC Shielding effectiveness (from 100MHz to 18GHz):
  • Ni/C : 95dB to 115dB
  • Ag/Al : 100dB to 115dB
Flame retardant (UL94 certification):
  • Ni/C : HB to V-0
  • Ag/Al : HB to V-0
Reach and RoHS certification:
  • Ni/C : Certified
  • Ag/Al : Certified

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No items found.
Materials
Silicone (or fluorosilicone) loaded with conductive material: Nickel and Graphite (Ni/C) or Silver and Aluminum (Ag/Al)
Manufacturing process
Loaded silicone is extruded using a standard or a custom profile. EMI shielding gaskets can also be made cut on a silicone sheet.
Particle load
Mainly Ni/C, can also be Ag/Al for higher conductivity requirements.
Prototyping
EMI shielding gaskets can be used for prototyping starting from standard extrusion profiles or silicone sheet.
Conductivité:
<0.12 ohm-cm
Hardness
60 Shore A (+/-10)
Options
Fluorosilicone (higher resistance to harsh environment)
Packaging
EMI shielding gaskets are packaged on reel (for linear production) or on individual packages (jointed gaskets)
Samples and Request

Description

EMI shielding gaskets or extruded or cut. The raw material is a loaded silicone (Ni/C or Ag/Al). We can also use a fluorosilicone material for higher resistance to oil or hydrocarbon.

These EMI shielding gaskets or harder than standard silicone gasket (around 65 Shore A). However it is mainly used for high ingress protection level (IP).

These EMI shilding gaskets are used for electromagnetism protection and sealing (IP) using one kind of gasket.

Due to the high resistance and stability of the loaded silicone it is wildly used in medical, military, telecom and nuclear projects.

Loaded silicone used to manufacture EMI shielding gaskets:

Silicone loaded with conductive graphite (C) and nickel (Ni) particles (Ni/C conductive gasket)
EMI/EMC shielding gasket with Ni/C conductive particles - Compelma
EMI/EMC shielding gasket with Ni/C conductive particles
Silicone loaded with conductive silver (Ag) and aluminum (Al) particles (Ag/Al conductive gasket)
EMI/EMC shielding gasket with Ag/Al conductive particles - Compelma
EMI/EMC shielding gasket with Ag/Al conductive particles
Silicone loaded with graphite and nickel (Ni/C) VS silver and aluminum (Ag/Al) :
Color:
  • Ni/C : Dark grey
  • Ag/Al : White/Grey
Volume resistivity:
  • Ni/C : 0.1 Ω*cm
  • Ag/Al :<0.008 Ω*cm
Density:
  • Ni/C : 2.0 to 2.3 g/cm³ ±0.1
  • Ag/Al : 2.1 g/cm³ ±0.05
Hardness:
  • Ni/C : 55 to 75 Shore A ±5
  • Ag/Al : 65 to 78 Shore A ±5
Tensile strenght:
  • Ni/C : 1.4 to 2 MPa
  • Ag/Al : 1.5 to 2MPa
Elongation at break:
  • Ni/C : 60 (fluorosilicone) to 100%
  • Ag/Al : 30 (fluorosilicone) to 50%
Tear strength:
  • Ni/C : 4.0 to 6.2 kN/m
  • Ag/Al : 5.3 kN/m
Compression set:
  • Ni/C : 25 to 30%
  • Ag/Al : 30%
Temperature range:
  • Ni/C : -45°C to +150°C
  • Ag/Al : -55 to 160°C
EMI/EMC Shielding effectiveness (from 100MHz to 18GHz):
  • Ni/C : 95dB to 115dB
  • Ag/Al : 100dB to 115dB
Flame retardant (UL94 certification):
  • Ni/C : HB to V-0
  • Ag/Al : HB to V-0
Reach and RoHS certification:
  • Ni/C : Certified
  • Ag/Al : Certified

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