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Krytox™ NRT 8904 Grease is a nonreactive, NLGI Grade 2 PFPE lubricant with a PTFE thickener for use in valves, regulators, seals, and bearings that come in contact with reactive or harsh chemistries. Its base oil viscosity is 60 cSt at 40°C.
Krytox™ NRT 8904 is a premium perfluoropolyether (PFPE) based grease with a PTFE thickener technology for demanding lubricant requirements in reactive gas service applications. Krytox™ NRT 8904 is especially well suited for lubricating valves, seals, regulators, pumps, and motor bearings subject to reactive chemicals and gases.
Krytox™ NRT 8904 is nonflammable and nonreactive and delivers incredibly long-lasting lubrication performance in difficult environments where traditional greases are prone to fail. Krytox™ NRT 8904 is stable in harsh operating conditions and temperature ranges from −60°F to 354°F.
Product type: Synthetic lubricant, grease
NLGI Grade: 2
Thickener: PTFE
Estimated temperature range: −51°C to 179°C (−60°F to 354°F)
Oil viscosity @ 40°C, kinematic cSt: 60
Oil density, g/mL: 1.93
Primary Chemistry: PFPE (perfluoropolyether)
Superior film formation
Excellent resistance to water washout
Completely nonflammable
Nonreactive/Inert chemistry
Robust thermal stability (−51°C to 179°C)
NLGI Grade 2
White, creamy grease
Inferior valve, regulator, and seal grease or lubricant performance and protection
Flammable or oxidative loss of grease
Loss of grease or oil from water washout
Krytox™ NRT 8904 is a premium PFPE performance lubricant for use in harsh environments and subject to highly reactive gases. Krytox™ NRT 8904 provides superior film-forming performance that can reduce friction and wear and extend overall equipment lifespan.
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