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Silicone sponge extrusions provide the performance characteristics of silicone rubber in a lightweight, compressible sponge form — ideal for sealing, cushioning and thermal applications where flexibility and temperature resistance matter.
Sponge strip can also be extruded or slit from sheet for simple widths and thicknesses.
Four standard grades are held/available, with typical apparent densities:
Grade | Imperial (lb/ft³) | Metric (kg/m³) |
---|---|---|
SIL10 | 10 | ≈200 |
SIL16 | 16 | ≈250 |
SIL24 | 24 | ≈400 |
SIL33 | 33 | ≈550 |
Intermediate densities and special grades can be produced to suit your application.
Contact us for technical data sheets and colour availability.
Made to order in standard profiles or custom dies (simple and cost-effective to manufacture), allowing freedom in design. Lead times and MOQs vary by profile.
Pricing on request. Please call +44 (0)1925 825552 or get in touch with your sizes, grade and quantity for a fast quote.