Krytox™ XHT-EP298 Grease is a PFPE-based fluid formulated for high-temperature and extreme-pressure applications - operates best under 294°C and has a base oil viscosity of 738 cSt at 40°C.
Krytox™ XHT-EP298 Grease is a high-performance lubricant based on perfluoropolyether (PFPE) oil with a polytetrafluoroethylene (PTFE) non-melting thickener. It is an extreme-pressure grease formulated for high-temperature applications that need both high load-carrying capacity and anticorrosion protection in environments where rust may develop. Krytox™ XHT-EP298 fluorinated PFPE grease is nonreactive, nonflammable, and chemically inert. It is also compatible with most metals, plastics, and elastomers, making it a versatile lubricant for a wide range of applications.
Krytox™ XHT-EP298 is a synthetic grease that provides high load-carrying capacity and anticorrosion protection for applications subjected to moist conditions and temperature cycling.
Typical applications include conveyor chains subjected to moist conditions or frequent temperature cycling that could allow condensation and rusting to occur.
Krytox™ XHT-EP298 fluid has a viscosity of 2,560 cSt at 20°C.
ISO Grade: 680
Estimated useful range: −15°C to 294°C
Oil viscosity @ 40°C: 738
Oil viscosity index: 158
Oil pour point: −15°C
Food grade compatible (H1): No
NLGI Grade: 2
Additives: High pressure and anticorrosion
Primary Chemistry: PFPE (Perfluoropolyether)
Anticorrosion in moist conditions and condensation
Anti-wear protection
Wide temperature range
High load-carrying capacity
Poor load-carrying capacity grease
Inferior lubrication and protection at high pressure
Incomplete corrosion control and prevention
Krytox™ XHT-EP298 is recommended for various applications, including:
Wet or temperature-variable conditions that allow for condensation leading to rusting
Conveyor chains
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