Non-Reactive, NLGI Grade 1 PFPE Grease for Liquid Oxygen & Reactive Gas Servicing (-103°F to 302°F). Base Oil Viscosity 15 cSt @ 40°C
Krytox™ NRT 8990 is a linear PFPE-based grease technology that exhibits extremely low volatility characteristics that allows for an incredibly long lubrication lifespan.
Krytox™ NRT 8990 inherently has a very high viscosity index for effective lubrication over a broad temperature range.
Krytox™ NRT 8990 is incredibly well suited for the demanding requirements in the liquid oxygen service industry. Krytox™ NRT 8990 is engineered with patented additives to enhance anti-corrosion, rusting and wear protection.
NLGI Grade:
1
Thickener: PTFE
Estimated Temperature Range:
–75°C to +150°C
Oil Viscosity, kinematic cSt, ASTM D445, @40°C:
15
Oil Density, g/mL:
1.9
Primary Chemistry: PFPE
Superior Film Formation
Excellent Resistance to Water Washout
Completely Non-Flammable
Non-Reactive / Inert Chemistry
Robust Thermal Stability (-51°C to 121°C)
NLGI Grade 1
Inefficient Lubrication over Wide Temperature Ranges (Poor Viscosity Index)
Excessive Noise Generation from Metal Friction
High Levels of Corrosion or Rust
Krytox™ NRT 8990 is a linear PFPE grease that is incredibly well suited for reactive gas servicing applications, including liquid oxygen.
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