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Silicone Sponge Sheet SiSp-400, White

Material AG000800S01 Category Tags , ,

Silicone Sponge Sheet SiSp-400, White

AG’s Silicone Sponge Sheet SiSp-400, White, is a medium-density, closed-cell sponge ideal for sealing against moisture, dust, and environmental factors. Resistant to UV, ozone, and temperatures from -60ºC to 230ºC, it suits industrial, electrical, and a variety of sealing applications.

Available by the metre in a selection of thicknesses or contact us to discuss custom cut silicone sponge gaskets, strips and more.

AG’s Silicone Sponge Sheet SiSp-400, White, is a premium-quality, closed-cell sponge material designed for reliable low-pressure sealing in industrial, electrical, and commercial applications. With medium density and exceptional physical properties, this silicone sponge is ideal for sealing against moisture, dust, and other environmental factors.

SiSp-400 offers excellent resistance to UV, ozone, oxidation, weathering, and radiation (both cosmic and ionising). It performs reliably across a wide temperature range, from -60ºC to 230ºC (up to 250ºC for intermittent use), making it suitable for demanding environments.

This sponge is designed for optimal performance under compression (recommended maximum of 30% of original thickness) to maintain sealing effectiveness and extend product longevity. It is WRAS-approved for potable water use up to 85°C and compliant with key flammability standards, including FAR 25 and FMVSS302, ensuring safety and reliability.

Typical Applications

  • Low-pressure gaskets and seals
  • Insulation for electrical and industrial equipment
  • Dust and moisture protection in enclosures
  • Automotive, HVAC, and water systems

Availability

Silicone Sponge Sheet SiSp-400 is available in 1m-wide rolls in various thicknesses. Custom cutting, adhesive backing, and FDA-approved options are also offered to meet specific application needs.

For further details or assistance, contact AG or visit your nearest branch.

Colour

Max. Continuous Temp.

Density

Hardness

Any Approvals for Water / Food

Approved for Potable Water

Approved for Gas

Approved for Food Grade Applications

Approved for Oxygen Sealing

Dangerous Goods for Transport

Adhesive Backed