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Krytox™ NRT 8990 Grease
Krytox™ NRT 8990 is a nonreactive, NLGI Grade 1 synthetic grease for liquid oxygen and reactive gas servicing in temperatures between −103°F and 302°F. Its base oil viscosity is 15 cSt at 40°C.
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- Manufacturer: Chemours
- Product Line: Krytox™ Greases
- Product: Krytox™ Greases for Reactive Gas Applications
- Industries: Facility Infrastructure | Maintenance, Repair, Overhaul | Transportation
- Authorized Countries: Canada | United States
Fulfilled By ChemPoint
Fulfilled By ChemPoint
Manufacturer
Product Line
Authorized Countries
Canada
United States
Overview
Krytox™ NRT 8990 is a linear PFPE-based grease technology that exhibits extremely low volatility characteristics that allow 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 and other applications exposed to harsh conditions and reactive chemicals. Krytox™ NRT 8990 is engineered with patented additives to enhance corrosion, rust, and wear protection.
Specifications
Product type: Synthetic grease, nonreactive
NLGI Grade: 1
Thickener: PTFE
Estimated temperature range: −75°C to 150°C (−103°F to 302°F)
Oil density, g/mL: 1.9
Oil viscosity, kinematic cSt (ASTM D445):
@ 40°C: 15
@ 100°C: 3.7
Primary Chemistry:
Perfluoropolyether (PFPE)
Features & Benefits
- Superior film formation
- Excellent resistance to water washout
- Completely nonflammable
- Nonreactive/Inert chemistry
- Oxygen safe
- Robust thermal stability (−51°C to 121°C)
- NLGI Grade 1
- Reduce byproduct formation from reactive grease technologies
Problems Solved
Inefficient lubrication over wide temperature ranges (poor viscosity index)
Excessive noise generation from metal friction
High levels of corrosion or rust
Applications
Krytox™ NRT 8990 is a linear PFPE grease that is incredibly well suited for reactive gas servicing applications and equipment, including liquid oxygen and chlorine .
For questions or additional information regarding the Krytox™ series of performance lubricants, please reach out to your ChemPoint representative.
Related Applications
Maintenance, Repair, Overhaul
Related Chemistries
Maintenance, Repair, Overhaul
Related End Markets
Facility Infrastructure
Maintenance, Repair, Overhaul
Transportation
Related Functions
Maintenance, Repair, Overhaul
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