Description
Fluorolube GR-375 is a mid-range PCTFE fluoropolymer grease, NLGI 2, transitional viscosity grade with moderate film strength. Nonflammable, oxygen-compatible, stable in strongly oxidizing and acidic chemistries.
GR-375 Benefits
- NLGI 2 medium consistency, transitional base oil viscosity (~10-15 cSt)
- Nonflammable PCTFE chemistry safe for oxygen service
- Stable in strongly oxidizing and acidic environments
- Moderate film strength bridges low-viscosity (GR-362) and high-viscosity (GR-470 / 544)
- ~80% combined fluorine and chlorine content
Common Applications
- Moderate-load bearings
- Chemical processing equipment
- General industrial valves and seals
- Oxygen service applications
- Mid-range operating temperatures
Selection Notes
GR-375 fits between GR-362 (low viscosity, fast-moving) and GR-470 / GR-544 (heavier film, slower-speed). Pick GR-375 for general industrial duty where neither extreme is needed.
Use Restrictions
Do not use with aluminum or magnesium parts under heavy friction, galling, confined spaces, or high pressure. Avoid contact with sodium, potassium, amines, hydrazine, liquid fluorine, liquid chlorine trifluoride, gaseous fluorine, hydrofluoric acid, and caustic solutions.
Ordering and Support
If you need help selecting the right Fluorolube grade for your application, call (800) 220-1966 or email [email protected].






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