Krytox™ XHT-500 Oil is a special extreme high temperature grade oil with low evaporation and extra treatment to allow use at temperatures above the range of normal PFPE oils. Krytox™ XHT-500 Oil has viscosity of 500 cSt @40°C.
Krytox™ XHT-500 Oil is a special extreme high temperature grade oil with low evaporation and extra treatment to allow use at temperatures above the range of normal perfluoropolyether (PFPE) oils. Krytox™ XHT-500 Oil provides excellent lubrication over a broad temperature range. All Krytox™ XHT series oils are nonflammable and chemically inert.
Food Contact Approval: NSF H-1 Base Oil Viscosity cSt @40°C: 500 Oil Viscosity Index: 148 Pour Point °C: -25°C: Grease Density, g/ml @0°C: 1.95 Oil Volatility, % in 22 hr @260°C: 0.8 Vapor Pressure of base oil @20°C: 1 x 10–9 Estimated Useful Range, °C: -20 to 300
Primary Chemistry: PFPE
Features & Benefits
Krytox™ XHT-500 Oil allows for extended lubrication intervals and longer equipment life. The oil can begin to slowly evaporate at temperatures above 330 °C (626 °F), and this will occur at an increasing rate as temperatures increase. Re-lubrication could be required at these temperatures to achieve optimum life.
Due to their low surface tensions, Krytox™ oils easily wet metallic surfaces, and, because of their inertness, Krytox™ oils have little or no adverse effect on metals. Testing of metals at 340 °C (644 °F) in the absence of air has shown little evidence of corrosion. In the presence of air, corrosion was slightly higher. The presence of molybdenum in the metals improved corrosion resistance.
Krytox™ oils offer excellent stability, lubricity, and viscosity under a wide range of conditions. The product line includes linear oils, fluorescing oil, general-purpose lubrication, sintered bearing oils, and vacuum pump fluids, all of which combine high-temperature performance, non-flammability, and chemical inertness.
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