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Krytox™ XHT-S Grease
Krytox™ XHT-S is an NLGI Grade 2 PFPE-based lubricating grease with a PTFE thickener that exhibits very high thermal stability, up to 300°C, and a base oil viscosity of 500 cSt at 40°C.
Krytox™ XHT-S is a high-performance PFPE-based grease for applications with extremely high temperatures, up to 300°C (572°F). This multifunctional, extreme-pressure lubricating oil does not contain additional performance additives and is completely inert, making Krytox™ XHT-S an ideal lubricant when there is a potential for chemical–lubricant interaction between process steps.
Krytox™ XHT-S provides incredibly durable performance in extreme environments where traditional lubricants degrade or entirely evaporate. Krytox™ XHT-S is formulated for a variety of industries with typical applications, including valve, bearing and gasket lubrication, welding machines, and textile equipment.
Specifications
Estimated useful range: −20°C to 300°C Base oil viscosity, cSt @ 40°C: 500 Oil viscosity index: 149 Oil pour point °C: −25 Oil volatility in 22 hrs, % @ 260°C: <1 Appearance: White, creamy consistency Specific gravity at 0°C: 1.99 NLGI Grade: 2 Food contact approval: None
Primary Chemistry: Perfluoropolyether (PFPE)
Features & Benefits
Nonflammable Oxygen safe Chemically inert Extended lubrication intervals and equipment life Broad thermal stability (−20°C to 300°C) Low oil evaporation Provides long bearing life Compatible with most elastomers and plastics Contains no additives Low surface tension Shear stability Nonvolatile Nonoxidizing
Problems Solved
High-speed bearing failure due to inferior grease High oil-evaporation rates in grease Melting grease thickeners and migration Oxidation Poor bearing life Poor compatibility
Applications
Krytox™ XHT-S Grease can be used in a wide variety of high-temperature applications, including but not limited to: Paint plant conveyor bearings Corrugator and paper machine bearings Aluminum can manufacturing bearings Welding machines High-temperature fans Textile equipment Tenter frames High-temperature ovens Conveyor systems in glass and aluminum plants Textile calender roll bearings Brick kiln car bearings Valve lubrication Ventilation fan bearing grease Rod mills Valves Lubrication of high-temperature bearings and control systems
The Krytox™ XHT line of performance greases provide unrivaled thermal stability at extremely high temperatures. Explore how these highly engineered lubricants provide longer lasting protection and allow for extended equipment lifespan here.
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Thank you
Thank you for your inquiry and interest in ChemPoint. We will respond to you shortly.
ChemPoint will not under any circumstances release personal user information to individuals or companies. All information collection is solely used to support ChemPoint customers service communications. Read our Privacy Notice.
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