Our silicone sponge gaskets are precision-engineered to provide low-pressure seals against leakage, dust, and gas intrusion. The heat-cured silicone sponge expands into a closed-cell structured, low-toxicity, CFC-free elastomeric material, making it an environmentally friendly choice.

Key Features

  • Exceptional Sealing Capabilities: Offers superior sealing, cushioning, vibration insulation, and thermal insulation, replacing traditional solid rubber variants.
  • Durability and Recovery: Exhibits excellent resistance to compression, bouncing back to its original shape and thickness, ideal for sealing, cushioning, and vibration dampening applications.
  • Wide Operating Temperature Range: Functions effectively from -60°C to +230°C, withstanding extreme temperatures, making it suitable for both indoor and outdoor applications.
  • Environmental Resistance: Resists UV, ozone, and general weathering, ensuring longevity in outdoor environments.
  • Customisable Options: Available in various thicknesses (1mm to 45mm), densities (200 kg/m³ – 530 kg/m³), and colours (black, white, red oxide, blue).

Benefits

  • UV & Ozone Resistant: Perfect for outdoor applications, ensuring long-term durability.
  • Strong and Durable: Withstands demanding conditions, maintaining integrity over time.
  • Excellent Recovery: Maintains shape and sealing properties even after compression.
  • Closed-Cell Structure: Provides water resistance, making it ideal for moisture-tight seals.
  • Versatile Applications: Suitable for HVAC units, light and electrical enclosures, and other areas requiring tight water seals.

In-House Manufacturing Capabilities

  • Plain or Self-Adhesive Finishes: Customisable to meet specific application requirements.
  • Laminated Variations: Available to enhance durability and functionality.
  • Custom Gaskets: Tailored solutions to fit unique specifications and industry needs.

Key Characteristics of Silicone Sponge

  • Colour Options: Black, White, Red Oxide, Blue.
  • Thickness: Available from 1mm to 45mm to suit various applications.
  • Density: Ranges from 200 kg/m³ to 530 kg/m³, ensuring flexibility and strength.
  • Resistance Properties: Resistant to ozone, oxidation, ultraviolet light, corona discharge, cosmic radiation, ionizing radiation, and general weathering.

Different Grades of Silicone Sponge Available:

  • Flame Retardant Silicone Sponge
  • FDA Silicone Sponge
  • High Recovery Silicone Sponge
  • High Temperature Silicone Sponge
  • Fluorosilicone Sponge
  • Thermally Conductive Silicone Sponge
  • Bisco® Flame Retardant Sponge

Why Choose Our Silicone Sponge Gaskets?

Our silicone sponge gaskets combine the mechanical properties of solid silicone with the added benefits of a softer, more flexible material. They provide excellent sealing, cushioning, and vibration dampening, making them suitable for a wide range of industries and applications. With superior resistance to environmental factors and a broad operating temperature range, our silicone sponge gaskets are the perfect solution for reliable and durable sealing.

For more information or to discuss your specific requirements, contact us today. Our expert team is ready to help you find the perfect gasket solution for your needs.

R4 Gaskets
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