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ESD Static Dissapative Silicone Sponge Gasket

The ESD Static Dissipative Silicone Sponge Gasket is a specialized sealing solution designed for electrostatic discharge (ESD) sensitive environments. Combining the inherent flexibility and compressibility of silicone sponge with controlled electrical conductivity, this gasket provides reliable EMI/RFI shielding and static dissipation while maintaining an effective environmental seal.
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  • Description

ESD Static Dissipative Silicone Sponge Gasket

Description

The ESD Static Dissipative Silicone Sponge Gasket is a specialized sealing solution designed for electrostatic discharge (ESD) sensitive environments. Combining the inherent flexibility and compressibility of silicone sponge with controlled electrical conductivity, this gasket provides reliable EMI/RFI shielding and static dissipation while maintaining an effective environmental seal.

Unlike standard silicone foam, this material is engineered with static-dissipative properties to prevent electrostatic buildup that could damage sensitive electronic components.

Key Features

  • Static Dissipative Protection: Surface resistance typically between 10⁶ – 10⁹ ohms, safely dissipating static charge without creating an electrical short

  • High Compressibility: Sponge cellular structure allows for low closure force and excellent conformability to irregular surfaces

  • Wide Temperature Range: Functions reliably from -55°C to +200°C (-67°F to +392°F)

  • Resilience: Excellent compression set resistance ensures long-term sealing performance

  • Environmental Sealing: Provides protection against dust, moisture, and light particulate ingress (IP-rated options available)

  • Cleanroom Compatible: Low outgassing and non-contaminating; suitable for controlled environments

Typical Applications

  • Electronics Manufacturing: Sealing panels, doors, and access points in semiconductor fabrication equipment

  • ESD Workstations: Gasketing for ESD-safe enclosures, storage cabinets, and test fixtures

  • Control Panels & Enclosures: NEMA-rated boxes housing sensitive electronics

  • Medical Devices: Equipment requiring static control without conductive carbon black

  • Aerospace & Defense: Avionics enclosures and instrument housings

  • Battery Compartments: ESD-safe sealing for lithium battery assemblies


SPECIFICATION SHEET
Electrically Conductive Silicone Sponge Sheet 
1.   DIMENSIONS AND APPEARANCE
Thicknessmm1-2-3-4-5-6-8-10mm custom thicknesses available
Typical lengthmeter1-10, custom length available
Typical widthmeter0.5-1, custom width available
Surface finishing
Textile finish both sides
Color
Black




2.   PHYSICAL PROPERTIES, TYPICAL
HardnessShore A10-15-20-25-30ASTM D2240
Tensile strengthpsi900ASTM D412
Elongation%200ASTM D412
Volume resistivityohms/sqM10^6 to 10^11 ohms/sq ASTM D991
Low working temp℃-50
High working temp℃205

Standard Formats Available

  • Die-cut gaskets (custom shapes)

  • Continuous rolls or sheets

  • Splice-bonded closed loops

  • Pressure-sensitive adhesive (PSA) backing (one or both sides)