Gore Joint Sealant


A  form-in-place gasket material made of a 100% ePTFE sealing cord with a self-adhesive backing. Formerly known as Gore-Tex Joint Sealant, this product is the first form-in-place gasket ever developed.


A time-tested sealing solution for steel flanges with large diameters, rectangular or irregular shapes, and rough or pitted surfaces.

When compressed, this soft, conformable cord forms a thin yet strong seal Can seal applications where available bolt loads are low Excellent for Tank Manways, Ductwork, and Housing Covers Great for Processes using highly-aggressive media such as:

  • Chemical processing
  • Pulp and paper
  • Mining and minerals
  • Semiconductor manufacturing
  • Power generation
  • Successful sealing applications for over 40 years

Compatible With:

chemically-resistant to all media (pH 0-14) except molten/dissolved alkali metals and elemental fluorine strong alkali-, acid- and solvent-based chemical process systems.


Gore Brand Joint Sealants come in many different widths and lengths. Please contact our sales team for details on available sizes.


The maximum applicable pressure and temperature depend mainly on the equipment and installation.

Typical use: -60°C to 150°C (-76°F to 300°F); industrial full vacuum- absolute pressure of 1 mmHg (Torr) = 133 Pa = 1.33 mbar = 0.019 psi to 10 bar (145 psi) with an overall temperature range of -269°C to +315°C   (-452°F to +600°F)