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Rulon Bearings

Chemours Krytox® 16256 Vacuum Pump Fluid
Categories: Fluid; Lubricant; Perfluoropolyether (PFPE)
Material Notes: Krytox® VPF fluids are inert and nonreactive to all elastomers, plastics, and metals

Chemours was formed from former DuPont performance chemicals businesses, including DuPont Performance Lubricants, in 2015.
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Physical PropertiesMetricEnglishComments
Density  1.61 g/cc
@Temperature 200 °C		0.0582 lb/in³
@Temperature 392 °F
 1.78 g/cc
@Temperature 100 °C		0.0643 lb/in³
@Temperature 212 °F
 1.87 g/cc
@Temperature 50.0 °C		0.0676 lb/in³
@Temperature 122 °F
 1.92 g/cc
@Temperature 20.0 °C		0.0694 lb/in³
@Temperature 68.0 °F
Kinematic Viscosity  8.4 cSt
@Temperature 200 °C		8.4 cSt
@Temperature 392 °F		ASTM D445
 2717 cSt
@Temperature 20.0 °C		2717 cSt
@Temperature 68.0 °F		ASTM D445
Kinematic Viscosity at 40°C (104°F) 444 cSt444 cSt50°C; ASTM D445
Kinematic Viscosity at 100°C (212°F) 63 cSt63 cStASTM D445
Molecular Weight 11000 g/mol11000 g/molNMR
Vapor Pressure Test 3.00e-14 torr3.00e-14 torr20°C; Knudsen
 2.00e-12 torr2.00e-12 torr50°C; Knudsen
 1.00e-9 torr1.00e-9 torr100°C; Knudsen
 0.00000200 torr0.00000200 torr200°C; Knudsen
Evaporation Loss 0.30 %0.30 %Volatility; 22 hr; 204°C; ASTM D792
 0.20 %
@Temperature 121 °C,
Time 79200 sec		0.20 %
@Temperature 250 °F,
Time 22.0 hour		Volatility; ASTM D2595
Surface Tension 19 dynes/cm19 dynes/cm
 
Thermal PropertiesMetricEnglishComments
Pour Point -15.0 °C5.00 °FASTM D97

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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