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EPF 262 Extreme Pressure Fluid

EPF 262 is a synthetic hydraulic fluid suitable for use at pressures up to and in excess of 200,000 psi.

• Good compatibility with nitrile seals
• Good lubricity
• Low viscosity
• Low flammability
• Very low chemical reactivity
• Electrically non-conductive
• Non-corrosive, and non-hygroscopic
• Non-hazardous

EPF 262 is a clear liquid similar to a light hydraulic oil. Unlike oils, which solidify at about 80,000 psi, EPF 262 remains liquid at pressures in excess of 200,000 psi.

EPF 262 has none of the drawbacks common to most other fluids used at high pressures, such as poor seal compatibility, high flammability or promotion of corrosion.

EPF 262 type fluid, also known by the old trade name Plexol® 262, has been used successfully at very high pressures for many years.

Available in:

One-gallon bottles
Five gallon pails
Fifty-five gallon drums

Private labeling available for bulk purchases.
Plexol is a registered trademark of Rohm & Haas


Seal compatibility

Volumetric swell at room temperature after immersion for 11,600 hours:

Nitrile: good, 12%
EPDM: fair, 20%
Viton: poor, 100%

May cause swelling and blistering of PVC.

Physical Properties

Boiling point: 210-221°F Specific gravity: 0.923
Flash point (COC): 400°F Evaporation rate: N/A
Vapor density (Air=1): 12.8 Solubility in water: Negligible
Vapor pressure (@ 300°F) <0.006” pH: N/A
Viscosity @ 25°C 19.5 CPS

Health Effects

Skin contact: repeated or prolonged skin contact may cause skin irritation.
Eye contact: may cause slight eye irritation in susceptible people.
Ingestion: may be harmful if swallowed. May irritate mouth, throat and stomach.
Inhalation: may cause dizziness. Avoid inhaling a fine mist that may form from a high pressure leak

Contact us to learn more about how we can meet your testing needs. We are proud to serve customers nationwide from our location in Houston, TX.