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Cleaning and Removal Fluids

Diffusion Pump Fluids Overview

Diffusion Pump Fluids

Dow Corning 702 and 705 Diffusion Pump Fluids are designed for high vacuum and for fast pumping of large volumes of gas or vapor in production operations.


Dow Corning® Brand Product	Description	Features

DOW CORNING®702 Diffusion Pump Fluid	A general purpose fluid designed for fast pumping of large volumes of gas. Also used for vapor ejector pumps	Used to produce vacuums in the range of 10-5 to 10-7 torr

DOW CORNING®705 Diffusion Pump Fluid	A single component fluid, for ultrahigh vacuum. The vapor pressure and backstreaming rate is so low that use of traps or refrigeration in unnecessary for some ultrahigh and ultraclean applications.	Used to produce vacuums in the range of 10-9 to 10-10 torr (untrapped) and 10-11 torr (trapped)

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