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Krytox™ NRT 8950 Grease is a nonreactive, synthetic PFPE-based lubricant with a nonmelting thickener for reactive gas lubrication (−5°F to 617°F). Its base oil viscosity is 500 cSt at 40°C, and it is NLGI Grade 1.5.
Product type: High-temperature grease, lubricant
Base oil: Perfluoropolyether
NLGI Grade: 1.5
Thickener: Nonmelting
Estimated temperature range: −15°C to 325°C
Oil viscosity @ 40°C, kinematic cSt (ASTM D445): 500
Oil density, g/mL: 1.95;
Primary Chemistry:
Perfluoropolyether (PFPE)
Krytox™ NRT 8950 is an NLGI 1.5 grade grease with a PFPE base oil and special nonmelting thickener. Krytox™ NRT 8950 provides premium lubrication and protection in demanding applications in the reactive gas servicing industry and at extremely high temperatures (up to 617°F). Krytox™ NRT 8950 also offers incredible extreme-pressure performance and will act as a solid lubricant if the base oil is depleted.
Krytox™ NRT 8950 received a rating of 180 bar at 60°C in the BAM oxygen reactivity test. Krytox™ NRT 8950 is completely nonflammable and nonreactive.
Severe oil loss due to high temperatures and evaporation rates
Migrating or grease loss from washout
Component damage or corrosion at high temperatures
Leaking O rings, seals, or connections
Krytox™ NRT 8950 is especially well suited for lubrication requirements with extremely high pressures, high temperatures, and exposure to highly reactive gases.
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