TY-275 Silicone Diffusion Pump Oil

Chemical name: 1,1,3,5,5-Pentaphenyl-1,3,5-trimethylsiloxane

CAS No: 3390-61-2

Description:

It is a colorless transparent oily, single-component fluid designed for ultrahigh vacuum applications in the range of 5x(10-9~10-10) torr (untrapped). The vapor pressure and Diffusion Pump Oil TY-275 is a colorless transparent oily, single-component fluid designed for ultrahigh vacuum applications in the range of 5x(10-9~10-10) torr (untrapped). The vapor pressure and the best resistance to radiation.

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: 1.5765~1.5785

Congealing Point °C: ≤-14 ~ -18

Application:

TY-275 Diffusion Pump Fluid 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:

25kg plastic drums or 200kg Iron drums.

Storage:

The product should be stored in a shady, dry place with the temperature 0°C-40°C, freezing should be avoided.

Shelf life: 3 years.