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Silicone Diffusion Pump Fluid RUI702

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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: 

Equivalent Brand: Diffusion Pump Fluid Dow Corning 702

Diffusion Pump Fluid RUI702 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

Property

Specification

Chemical composition 

Mixed phenylmethyl-dimethyl cyclosiloxane

Ultimate Vacuum, torr

(untrapped)

10-6

Saturated Vapor Pressure, torr

1x10-6

Specific Gravity

1.08

Viscosity (25°C), cSt

40±3

Flash Point °C

193~195

Refractive Index 25°C

1.51-1.53

Molecular Description 

-

GC-MS and IR test reports for every batch of Diffusion Pump Oil RUI702 is available from RUIchem silicones, if you need it, please send email to tech@ruijianggroup.com

Application

Diffusion Pump Oil RUI702 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.

Package, Transportation & Storage

Diffusion Pump Fluid RUI702 is available in 1kg plastic bottles, 1gallon plastic drums, 5kg plastic drums25kg plastic drums, 25kg Iron drums or 200kg Iron drums.

Transport as non-hazardous chemicals, keeping away from rain and sunlight.

Shelf life: 2 years. 


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