BOSS® 888

Silicone Gasket Maker

BOSS® 888 Neutral RTV Silicone Gasket maker is a paste-like, one component material, which cures to a tough, rubbery solid upon exposure to moisture in the air. Formulated for gasket making applications. Sensor safe and manufactured to meet OEM specifications. Makes instant, leak proof gaskets for all engines, drive train equipment, and related components. Resists oil, water, antifreeze, and transmission fluid. Provides exceptional leak control and torque retention.


  • Low odor, cures to a tough rubbery solid at room temperature.

  • Low modulus, non corrosive and fast cure.

  • Excellent to metals, plastics, vinyl, glass, aluminum, coated surfaces and other industrial substrates.

  • Ideally suited for critical bonding, sealing, potting and encapsulating application.

  • Makes formed -in- place gasket in minutes.

  • Electrical and thermal insulator.


  • Technical Data Sheet

       Typical Applications