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PFPE Fluid RUI-F Series

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Description

RUI-F series products is a kind of perfluorinated polymer with only fluorine, carbon and oxygen atoms on the molecular chain. It is used as vacuum pump oils. RUI-F series don’t polymerize when exposed to oxygen, ionizing radiation or accelerated subatomic particles. Using RUI-F products, the system stays free of varnish and deposit from fluid decomposition. RUI-F is resistant to oxidation of explosion and hot fluid. It can be exposed repeatedly to air without harm to the fluid while running the pumps. RUI-F is inert to most reactive chemicals, the fluid can be used in direct contact with materials such as UF6, F2, PCl3, BF3, without harm to the fluid. RUI-F series has lower molecular weight than RUI-M and RUI-H PFPE oil, especially suitable for precision instruments using.

Product Features

● Low vapor pressure, low volatility

● No flash and ignition point

● High temperature stability

● Water and solvent resistance

● Radiation resistance

● Compatibility with Metals, plastics, and elastomers

● Chemically inert

Technical Index

PropertyF04F06F25F45F50F80F120F150F160F180
ISO approximate grade1522100150156220320460460460

Kinematic 

Viscosity (cst)

20°C40602504505208001200150016001850
40°C162280132155243336420440510
Viscosity Index6070108117132134136144144146
Pour Point(°C)<-58<-50-42-39-38-36<-32<-30-30<-27


Evapora-tion 

Loss(%, 22h)

120°C96--------
149°C
-10.70.5-----
204°C--151.71.70.80.80.70.60.5

Surface Tension (Dyne/cm)

21212121212222222222
Density (0°C, g/cm3)1.901.911.921.931.931.941.941.951.951.95

Application

RUI-F series oils are suggested for applications requiring the highest quality vacuum such as in scanning electron transmission microscopes, mass spectrometers, particle accelerators, ion implantation, plasma and vapor deposition processes. In addition, it is suggested for pumps handing reactive gases such as UF6, F2, Oxygen, Ozone, and Tritium, as the fluid can be used in direct contact with those gases without reaction and fluid degradation. Due to its low molecular weight, RUI-F series products are especially suitable for precision instruments using.

Packing & Storage

Our company supplies in the form of 1kg and 5kg plastic drum packaging.

Special requirements can be based on customer requirements to use industrial drum packaging. 

Shelf life: 24 months. 

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