These PTFE backup rings resist harsh chemicals, such as acetone, fluorinated solvents, methanol, and many acids.

Avoid common O-ring failure in dynamic applications—the square base of these seals prevents twisting, while backup rings protect against extrusion.

Avoid common O-ring failure in dynamic applications—the square base of these seals prevents twisting, while backup rings protect against extrusion.

Rated for pressure up to 10,000 psi, these seals withstand the highest pressure of our buffering seals.