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Iota Silicone Oil (Anhui) Co., Ltd.

China Manufacturer with main products: Silicone Paper, Silicone Oil, Diffusion Pump Oil, Phenyl Methyl Silicone Oil, Silicone Resin, Silicone Additive, Methyl Silicone Oil, Amini...

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Silicone Diffusion Pump Oil IOTA705

FOB Price: 220,000.00 - 225,000.00 RMB/Ton
Supply Ability: 10,000 Ton/Tons per Year
Shipping: 25days
Payment Terms: T/T
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: Diffusion Pump Oil IOTA705 is available in 1kg plastic bottles, 1gallon plastic drums, 5kg plastic d

Quick Details

  • CAS No.: CAS No: 3390-61-2
  • Application: Electrical and electronics industry ,Optical industry,Metallurgy industry,Plastics industry.........
  • Brand Name: iota


Diffusion Pump Oil IOTA705(CAS NO:3390-61-2) is a colorless transparent oil, single-component fluid designed for ultrahigh vacuum applications in the range of 5x(10-9~10 10)torr(untrapped). The product is equivalent Brand Diffusion Pump Oil Dow Corning 705, HIVAC-F-5.


1. 1,1,3,5,5-Pentaphenyl-1,3,5-trimethylsiloxane

2. 705 Super high vacuum diffusion pump oil

3. 705 Diffusion Pump Fluid

4. PhenylmethylsiloxaneOligomers

5. Oil for diffusion pump

CAS No: 3390-61-2

Technical Index

Chemical composition: Pentaphenyl trimethyl trisiloxane

Ultimate Vacuum, torr(untrapped): 5x(10-9~10-10)

Saturated Vapor Pressure, torr: 5x10-10

Specific Gravity: 1.090 ~ 1.100

Viscosity (25°C), cSt: 170~175

Viscosity (40°C), cSt: 61~64

Flash Point °C: 243

Refractive Index 25°C: 1.555~1.588

Congealing Point °C: -14 ~ -18

Molecular Description: 546


Diffusion Pump Fluid IOTA705 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 IOTA705 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: 3 years.

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    In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

    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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