Silex supplies premium silicone sheeting in solid and sponge grades, UK-manufactured to ISO 9001:2015. Choose by application below.

Solid Silicone Sheeting
General purpose solid sheet from 30° to 80° Shore hardness. FDA 21 CFR, WRAS and flame-retardant grades available. Thicknesses from 0.3mm to 10mm in standard and custom sizes.

Silicone Sponge Sheeting
Closed-cell sponge sheet for sealing, gasketing and vibration damping. SIL16 and FDA sponge grades. Compression-set resistant across –60°C to +200°C.

High Temperature Silicone Sheeting
Specialist grades rated to +300°C for furnace seals, aerospace and demanding industrial applications. Includes Supervac vacuum-grade and electrically conductive options.

Fast UK despatch. Technical support available on 01420 470360.

Buy silicone sheeting online or request a custom quote from Silex — fast despatch from our Hampshire manufacturing facility.

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  • 1500mm Wide Silicone Sheet

    This 60° shore A hardness silicone rubber sheeting is offered in wider-than-standard sheets and is excellent for applications requiring good sealing properties at high and low temperature. Suitable for use…

    From £95.82 Exc VAT
  • Platinum Cured Silicone Sheet

    Platinum cured silicone rubber sheeting, 60° shore A hardness. Platinum cured sheeting has a number of advantages over peroxide cured sheeting; it is non-yellowing with a clearer appearance than peroxide…

    From £61.43 Exc VAT
  • MF775 Flame Retardant Silicone Sheet

    Flame retardant silicone rubber sheet, (73° shore A hardness).

    Supplied in 1m wide sheets, our flame retardant sheeting has been specifically developed for use in the mass transit industry and similar…

    From £75.93 Exc VAT
  • Glass Reinforced Silicone Sheet

    Supplied in 1m wide sheets, this 1 ply glass reinforced sheeting features impressive tear resistance and non-creep characteristics, and is favoured by designers and engineers for diaphragms and non-stretch gaskets…

    From £59.53 Exc VAT
  • Superclear Silicone Sheet

    ‘Glass clear’ silicone rubber sheet, produced from centrifugally cast liquid silicone rubber (LSR). These sheets are 915mm wide and available in thicknesses from 0.25mm to 3.2mm. Manufactured in platinum cured…

    From £120.23 Exc VAT
  • Metal Detectable Silicone Sheet

    Metal detectable silicone rubber sheet, 60° shore A hardness. Silex Metal Detectable sheeting allows fragments of failed seals and gaskets to be found safely and isolated.

    Popular in many food processing…

    From £31.12 Exc VAT
  • High Temperature Silicone Sheet

    High temperature silicone rubber sheet, 60° shore A hardness. For applications requiring the typical properties of silicone, but with high heat resistance, Silex THT is ideal. Capable of withstanding many…

    From £49.23 Exc VAT
  • SIL24 Silicone Sponge Sheet

    Medium-firm density (400kg/m3) silicone rubber sponge sheeting.

    Suitable where a soft, easily pliable rubber is required. High temperature seals and gaskets are examples of typical uses. These sheets perform at temperatures…

    From £52.03 Exc VAT
  • SIL33 Silicone Sponge Sheet

    This is our firmest density (550kg/m3) silicone rubber sponge sheeting.

    Suitable where a soft, easily pliable rubber is required. High temperature seals and gaskets are  typical uses. These sheets perform at…

  • SIL-X-300-FFF High Recovery Silicone Sponge Sheet

    High-recovery, silicone rubber sponge sheet with a fine fabric finish on both sides, in red oxide or black. SIL-X-300-FFF is a predominantly closed cell sponge, with a fabric textured surface…

    From £87.93 Exc VAT
  • SIL-X-600-FFF Thermally Conductive Silicone Sponge Sheet

    SIL-X-600-FFF is a thermally conductive, closed-cell, silicone rubber sponge with a fine fabric finish. Offering thermal conductivity and electrical isolation, it is ideal for gasketing and cushioning applications requiring thermal…

  • SIL-X-700-FFF Fluorosilicone Sponge Sheet

    Fluorosilicone sponge sheet with a fine fabric finish in blue. This sheet is supplied in 914mm wide sheets and is available in thicknesses from 0.8mm to 3.2mm.

    SIL-X-700-FFF is a closed-cell…