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Dow Corning 705 Diffusion Pump Fluid
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A colorless, penta phenyltrisiloxane, single-component fluid designed for ultrahigh vacuums of 10-10 torr (untrapped) and 10-11 (trapped).
Dow Corning 702, 704 and 705 Diffusion Pump Fluids are designed for high vacuum and for fast pumping of large volumes of gas or vapor in production operations.
Specific Gravity at 25'C (77'F) : 1.09
Viscosity at 25'C (77'F), cSt : 175
Flash Point, open cup, 'C ('F) : 243(469)
Boiling Point, at 0.5 torr, 'C ('F) : 245(473)
Typical Boiler Temperature, 'C ('F): 250 to 270(482 to 518)
Surface Tension, dynes/cm : 36.5
Heat of Vaporization, kcal/g mole : 28.2/250'C(482'F)
Molecular Description : Penta phenyltri-methyltrisiloxane
Molecular Weight : 546
Industrial field others
Dow Corning Corp/Corporate Headquarters
Phone 517-496-5369; 800-248-2481
Fax 517-496-4688
Homepage -
E-mail
Address 3100 James Savage Rd., PO.Box 994, Midland, MI 48686-0994
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