The current countries use diffusion pump silicone oil main DOW CORNING company is still the development of the following two kinds: DC - 704 and DC - 705. Using the above silicone oil can obtain 1.333 x 10-7 ~ 1.333 x 10 to 11 kpa (no trap conditions) and 1.333 x 10-10 ~ 1.333 x 10-12 kpa.

DOW CORNING diffusion pump oil is for high vacuum and in production operation in large volume of gas rapidly to vacuum and design, the domestic more than 95% of the import diffusion pump with DOW CORNING designated the diffusion pump silicone oil.

Features:

Shorten, adjust the operating time.

, a single component silicone oil than using multicomponent silicone oil to achieve maximum vacuum need much shorter;

• rapid evacuation;

• minimum backflow, the DOW CORNING single component silicone oil steam pressure is very low, and for many applications trap or existing trap refrigeration is not need;

, long service life,

The heat and silicone oil, chemical stability allow long running without being degradation and pollution;

• cleaning system maintenance needs less;

• faster cycle, reduce down time, replace the oil demand less.