New Krytox™ XHT-ACX Grease Targets Ultra High Heat and Corrosion

Krytox™ XHT-ACX grease has an Oil Viscosity of 500 cSt at 40°C and the estimated useful temperature range is 250 to 320°C.
 

Anti-Corrosion Additive for high corrosion protection

Krytox™ XHT-ACX grease is a special high temperature grease with low oil evaporation that provide anti-wear and rusting protection, and is compatible with all elastomers and plastics. These greases have excellent lubrication over a broad temperature range, but are designed to work best at temperatures over 200 °C (400°F). Krytox™ XHT-ACX grease is nonflammable, oxygen-compatible, and chemically inert. Krytox greases provide extended lubrication intervals and longer equipment life.

The Krytox™ XHT-ACX greases are an extension of the Krytox 240 series and Krytox GPL 22X series, but are designed to give higher performance in the 204–302°C (400–575 °F) range. Krytox™ XHT-AC greases contain an anti-corrosive additive that is 100% nonflammable. These greases should be used below 320 °C (608 °F), where the polytetrafluoroethylene (PTFE) thickener could begin to melt. The base oil is an extremely viscous oil that provides good viscosity and lower evaporation at high temperatures. Krytox grease is made to a standard NLGI grade 2. PTFE is the standard thickener. For additional Krytox lubrication series info, please see Krytox GPL 22X series or Krytox 240 series.
 

Krytox™ XHT-ACX compatibility with metals

Because of their low surface tensions, Krytox lubricants easily wet metallic surfaces. Krytox lubricants are chemically inert and, therefore, have no adverse effect on metals when the temperature is below 288 °C (550 °F). Above 288 °C (550 °F), many alloy steels, stainless steels, and other metals, such as aluminum alloy, titanium alloy, nickel alloy, and cobalt alloy, can be used with Krytox.
 

Krytox™ XHT-ACX : Lubrication Experts, Superior Chemistry, Fast Delivery – a potent combination

We understand the challenges engineers and scientists face with trying to select the best lubricant for current or new applications.  With over 60 years of real-world experience, our highly trained team of technical experts and field engineers can assist you with identifying and selecting the optimal lubricant that best fits your operational parameter. Our large inventory of high-performance PFPE-base Krytox™ lubricants from Chemours, ensures we have the right lubricant for your needs, regardless of temperature, environment, safety, or performance of your system demands. For further information please review the articles below or contact a Miller-Stephenson representative.

Krytox™ is a trademark of The Chemours Company FC, LLC.


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