Silicone Sponge

Silicone Sponge

Silicone Sponge is ideal for gasking and cushioning applications with environmental exposure. It provides excellent thermal stability and resistance to UV, ozone, and solvents. It also has excellent compression set performance, meets FDA 21 CFR 177.2600, and is capable of meeting MIL-R-6310 Type II. Similar to silicone foam, silicone sponge can be used to deliver high temperature resistant and / or food contact gaskets.

Applications include: Outdoor access panels, commercial lighting gasket, electronics pad, pharmeceutical or food handling

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  • Excellent temperature resistance
  • Excellent UV resistance
  • Excellent ozone resistance
  • Extremely resilient to mechanical fatigue
  • Excellent flame resistance
  • Tougher and more durable than silicone foam
R10480S R10470M R10470F R10400M R10460
Property Units
Product Brands Norseal, St. Gobain
Density lb / ft 2 21 29 43 35 29
Compression Deflection (25%) psi 4 10 16 10 10
Shore OO Durometer NA NA NA NA NA
Tensile Strength psi 50 90 130 100 75
Elongation Die A % 75 150 200 250 125
Tear Strength Die C lb. / in NA NA NA NA NA
Compression Set % 5 15 15 10 5
Water Absorption Wt % < 5 < 5 < 5 1 < 5
Thermal Conductivity K Factor NA NA NA NA NA
Service Temperature F -100 - 500 -100 - 500 -100 - 500 -100 - 500 -100 - 500
Combustion Characteristics FMVSS3022 NA NA NA Pass Pass
UL94HF-1 NA NA NA Pass Pass