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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.
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- Manufacturer: Chemours
- Product Line: Krytox™ Greases
- Product: Krytox™ Greases for Extreme Temperatures
- Industries: Facility Infrastructure | Maintenance, Repair, Overhaul | Metal Processing & Fabrication | Transportation
- Authorized Countries: Canada | United States
Fulfilled By ChemPoint
Fulfilled By ChemPoint
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Authorized Countries
Canada
United States
Overview
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-high-temperature-stable grease 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, burn, 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. Krytox™ XHT-S also increases the level of safety in the facility as the grease is completely nonflammable, even when exposed directly to a flame.
Specifications
Product type: Synthetic grease, fluorinated
Thickener type: Polytetrafluoroethylene (PTFE)
Estimated useful temperature 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, nonreactive
- 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 the following: 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 Metal processing Valves Lubrication of high-temperature bearings and control systems For specific lubricant recommendations or to request additional information, please reach out to your ChemPoint representative.
Related Applications
Facility Infrastructure
Maintenance, Repair, Overhaul
Related Chemistries
Maintenance, Repair, Overhaul
Related End Markets
Facility Infrastructure
Maintenance, Repair, Overhaul
- Chemical & Petrochemical
- Consumer Products
- Energy Generation & Utility
- Facility Infrastructure
- General Industrial
- Heavy Industry
- Oil & Gas
- Pulp & Paper
- Transportation
Related Functions
Maintenance, Repair, Overhaul
Krytox™ Greases Articles
Chemours Krytox™ - Extreme High Temps
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.
Chemours - Krytox for Valves - Reactive Gas
Valves are used along nearly every step in reactive gas processing and chemical manufacturing; it is important to use a valve packing that will not react with the gas flow. Learn why Krytox™ is the premier solution for inert lubrication here.
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