Silicone Diffusion Pump Oil

Silicone diffusion pump oil iota702 (equivalent brand: diffusion pump oil dow corning 702).
synonyms:
1. Mixed phenylmethyl-dimethyl cyclosiloxane
2. 702 super high vacuum diffusion pump oil
3. 702 diffusion pump fluid
4. Phenylmethylsiloxane oligomers
5. Oil for diffusion pump
6. Silicone oil for diffusion pump
7. Silicone diffusion pump oil
chemical structure:
diffusion pump oil iota702 is a kind of general purpose oil designed for fast pumping of large volumes of gas. It is used to produce vacuums in the range of 10-5 to 10-7 torr. It possesses excellent heat stability, good resistance to oxidation and radiation. Its vapour pressure is very low under room temperature, and changes sharply with the variation of temperature
technical index
chemical composition: mixed phenylmethyl-dimethyl cyclosiloxane
ultimate vacuum, torr(untrapped):10-6
saturated vapor pressure, torr: 1x10-6
specific gravity: 1.08
viscosity (25â°c), cst: 40â±3
flash point â°c: 193~195
refractive index 25â°c: 1.51-1.53
diffusion pump oil iota702 can be used in variety of applications, including:
electrical and electronics industry
tv tubes, fluorescent tubes, cathode ray tubes
ordinary bulbs
capacitors
rectifier metallised film vacuum system
optical industry
surface improvements
anti reflective coatings
optical filters and mirrors
metallurgy industry
high-vacuum furnaces
melting, degassing and sintering refractory metals; thick-film deposition
plastics industry
surface improvements
mirror coatings
protective coatings
film coatings
other industries
processing metals and fuels
accelerators
molecular plants
r & d plants
mass spectrometry
others
be used as transmission fluid in high-temperature carriers and various instruments.