Synonyms:

1. 1,1,5,5-Tetraphenyl-1,3,3,5-tetramethyltrisiloxane

2. 704 silicone diffusion pump Fluid

3. 704 diffusion pump fluid

4. Oil for diffusion pumps

Cas No: 3982-82-9

Technical Index

Chemical composition: Tetramethyl tetraphenyl trisiloxane

Ultimate Vacuum, torr (untrapped): 10-7~10-8

Saturated Vapor Pressure, torr : 5x10-8

Specific Gravity: 1.06 ~ 1.07

Viscosity (25°C), cSt: 38±3

Flash Point °C: ≥210

Refractive Index 25°C: 1.5500~1.5600

Congealing Point °C: -35

Molecular Description: 484

Application:

Diffusion Pump Fluid IOTA704 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

1. Diffusion Pump Oil IOTA704 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.