Pump Fluid 74 High Vacuum Diffusion Pump Fluid

Parameter Unit Value
Appearance Clear Liquid
Specific gravity at 25°C 1.07
Viscosity at 25C mm2/s 39
Flash Point °C °C 221
Ultimate vacuum, untrapped mmHg 10-7 to 10-8
Ultimate vacuum, trapped mmHg 10-11
Vapor pressure at 25°C mmHg 2 x 10-8
Typical boiler temperature °C 220