RS-820 Firm Cellular Silicone Sponge Tape

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Technical Datasheets

Adhesive Datasheets
2378L SA1911 654M

RS-820 is a firm silicone sponge that retains the lightness of a foam while exhibiting enhanced sealing capabilities of a traditional sponge rubber. RS-820 is an alternative to HT-820. 

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Typical Applications:
• Environmental seals to protect against penetration of dust, moisture, air, or light within outdoor enclosures such as lightning features, HVAC units, and electronic cabinets
• Enclosures requiring a more durable, high closure force gasket
• Press pads requiring greater conformability and even pressure distribution at high temperatures

Product Features & Benefits:
• Temperature independency
• UV/Ozone resistant
• Good compression set resistance

More Information
Compression Set 212 Degrees F 0-9.99%
Density 30 lb/ft3
Test Methods ASTM D1056, ASTM D746
Water Absorption Range 0.01
Minimum Temperature Range -67°F
Maximum Temperature Range 392°F
Water Absorption (Range) 0-4.99%
Density (Range) 30-39.99 lb/ft3
Environmental and Chemical Properties Ozone Resistance, UV Resistance
Minimum Temperature (Range) ≤ -50°F


Curtainwall & Cladding, HVAC, Window & Door
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