SEPCO STL-5 Barrier Fluid

Style: SEPCO STL-5 Barrier Fluid

This high-performance, synthetic barrier fluid is the workhorse of seal lubricants. It meets most barrier and buffer fluid needs within chemical, petrochemical, pipeline, ethanol, biofuel, and refinery plants. STL-5 Barrier Fluid is ideal for mechanical seal systems in ethanol production. Available in a 5-gallon container.

Product Specifications

Formulated from the highest quality synthetic base stocks

FDA compliant 


The additives provide a non-reactive stable fluid for seal service across an extremely wide temperature range

Excellent low-temperature fluidity and high-temperature stability 

Resists thermal and oxidative degradation

Environmentally safe and readily biodegradable

Low moisture content

Excellent heat transfer

Wide seal compatibility range

Product Support & Resources

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