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Siliconen Spons Sheet

Polymax Silicone rubber sponge sheet is the preferred choice of medical, pharmaceutical and food processing industries.

Most commercially available silicone sponge products are made from gum based polydimethylsiloxane (PMDS). The polymer is chemically expanded when heat cured to create the closed cell sponge structure. Closed cell means that the cells are non-interconnecting; therefore they do not allow water to wick through the sponge. Generally, silicone sponges have superior mechanical properties and are considered to have a complete closed cell structure.

Expanded closed cell silicone sponge offers many of performance benefits of solid silicone in a softer and more compliant form.

Key Benefits of Closed Cell Silicone Sponge

  • Wide operating temperature - silicone sponge has a temperature range of -60°C to 200°C
    "We sell a high temperature version for use up to 270ºC, please contact a member of the sales team for more information"

  • Water sealing - the closed cell structure allows for good water sealing with relatively low compressive forces.

  • Compression set resistance - silicone offers excellent compression set resistance (ability to rebound to original thickness), especially at higher temperatures, compared to most rubber material. Low compression set silicone sponges are available for even better performance than general purpose grades.

  • UV and ozone resistance - silicone products have excellent UV and ozone resistance due in part to their inorganic backbone. This provides long term performance.

  • Rugged - when silicone is required, silicone sponge parts are more durable than some other products openly available.

  • Outdoor gasketing - considering all the above benefits, silicone sponge is a good material choice for outdoor environments, from the arctic to the desert.


  • Temperatuursbereik -60 tot +200°C
  • Standaard kleur wit/crème, zwart en rood
  • Uitstekend weersbestendig
  • Zwavelvrij
  • Non toxisch
  • Fysiologisch inert
  • Boven en onder met beschermingshuid
  • Waterafstotend
  • Geen aantasting door oxydatie
  • Temperatuursbereik -60 tot +200°C
  • Standaard kleur wit/crème, zwart en rood
  • Uitstekend weersbestendig
  • Zwavelvrij
  • Non toxisch
  • Fysiologisch inert
  • Boven en onder met beschermingshuid
  • Waterafstotend
  • Geen aantasting door oxydatie
  • Temperatuursbereik -60 tot +200°C
  • Standaard kleur wit/crème, zwart en rood
  • Uitstekend weersbestendig
  • Zwavelvrij
  • Non toxisch
  • Fysiologisch inert
  • Boven en onder met beschermingshuid
  • Waterafstotend
  • Geen aantasting door oxydatie

This high temperature silicone sponge with stand up to 270°C intermittently.

Rubber sheet tolerance allowance - width 3%, length 5%.

This silicone sponge is FDA 21 CFR 177-2600 approved for use in food and drink applications.

Rubber sheet tolerance allowance - width 3%, length 5%.

This sponge sheeting provides the same mechanical properties as silicone with an improvement to fuel and mineral oil resistance.

Rubber sheet tolerance allowance - width 3%, length 5%.

Thermally conductive with the ability to provide electrical isolation.

Rubber sheet tolerance allowance - width 3%, length 5%.

Medium density fire retardant silicone sponge sheet.

Rubber sheet tolerance allowance - width 3%, length 5%.

Firm density fire retardant silicone sponge sheet.

Rubber sheet tolerance allowance - width 3%, length 5%.

Extra-firm density fire retardant silicone sponge sheet.

Rubber sheet tolerance allowance - width 3%, length 5%.

Soft density fire retardant silicone sponge sheet.

Rubber sheet tolerance allowance - width 3%, length 5%.

Extra-soft density fire retardant silicone sponge sheet.

Rubber sheet tolerance allowance - width 3%, length 5%.

Ultra-soft density fire retardant silicone sponge sheet.

Rubber sheet tolerance allowance - width 3%, length 5%.

Metal detectable sheeting allows fragments to be found and isolated safety.

Rubber sheet tolerance allowance - width 3%, length 5%.

Closed cell sponge sheeting suitable for protecting against dust and moisture.

Rubber sheet tolerance allowance - width 3%, length 5%.

Heat resistant sponge that meets the MOD AFS 1682-A specification.

Rubber sheet tolerance allowance - width 3%, length 5%.
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