White Paper: Manufacturing & Prototyping

Gasket Tape – Silicone Sponge and Silicone Foam for Long-Term Sealing Performance


Electrical equipment deployed in a range of environments often needs long-term protection that requires a sealing solution to last for years. Some housing designs may be effectively protected by an adhesive-backed roll or strip of cellular gasket material. However, many of the commercially available gasket materials may fail to seal after aging in challenging environmental conditions. The types of sealing applications served by gasket tape include outdoor LED lighting fixtures, kiosks for charging stations, airflow management and ventilation systems, outdoor enclosures for telecommunications, and many other ruggedized portable devices.

This brief on Gasket Tape – Silicone Sponge and Silicone Foam for Long Term Sealing Performance discusses options within the silicone product family that will last and perform for the entire anticipated life of the electrical equipment including those installed in outdoor conditions in the harshest environments.

Gasket tape is Stockwell Elastomerics' family of silicone sponge and sponge gasket materials provided with pressure-sensitive adhesive backings – and slit to a specified width for easy to install gaskets. Gasket tape is typically installed on enclosures to protect against air, dust, and weather intrusion. Standard thicknesses ranging from .032” to .500”. Silicone foam and silicone sponge types are pre-manufactured with adhesive backings – and ready for fast turn slitting to width – typically ranging from .250” to 2.00” wide.

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