Iota Silicone Oil (Anhui) Co., Ltd.

China Manufacturer with main products: Phenyl Methyl Silicone Oil, Silicone Diffusion Pump Oil, Agricultural Silicone Surfactant, Food Grade Silicone Paper, Release Paper, Glassine...

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Silicone Diffusion Pump Oil IOTA702

FOB Price: 30.00 - 40.00 USD/Kilogram
Supply Ability: 10 Ton/Tons per Day
Shipping: 25 days
Payment Terms: L/C, D/P, T/T, Western Union
In Stock

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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Anhui in China
Packaging Details: 1kg plastic bottles, 1gallon plastic drums, 5kg plastic drums, 25kg plastic drums, 25kg Iron drums o

Quick Details

  • Other Names: Diffusion Pump Fluid
  • Brand Name: IOTA
  • Model Number: IOTA702


Silicone Diffusion Pump Oil IOTA702 (equivalent Brand: Diffusion Pump Oil Dow Corning 702)


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 (25°C), cSt: 40±3

Flash Point °C: 193~195

Refractive Index 25°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


 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


molecular plants

R & D plants

mass spectrometry


Be used as transmission fluid in high-temperature carriers and various instruments.

Package, Transportation & Storage

1.Diffusion Pump Oil IOTA702 is available in 1kg plastic bottles, 1gallon plastic drums, 5kg plastic drums, 25kg plastic drums, 25kg Iron drums or 200kg Iron drums.

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

3.Shelf life: 2 years. 

Service Process

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    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

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