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RUI M PFPE Vacuum Pump Oils

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Description

RUI PFPE Vacuum Pump Oils M Grades are ideal for the use in vacuum pumps as sealing & lubricating fluid and working fluids especially when pumping strongly oxidative substances like oxygen, ozone or nitric oxides as well as highly reactive substances like halogens and hydrogen halides.

RUI M PFPE Vacuum Pump Oils can replace Fomblin PFPE Vacuum Pump Oils. RUI M 606 can replace Fomblin® Y LVAC 06/6, RUI M 2506 is widely used as repalcement of Fomblin® Y LVAC 25/6.

Property

v Chemical inertness    v High thermal stability
v Good lubricant properties v No flash or fire point
v Low toxicity v Good aqueous and non-aqueous solvent resistance   
v High dielectric properties v Low surface tension
v Good radiation stability v Environmentally acceptable
v Excellent compatibility with metalplastice elastomers

Technical Index

Typical Property RUI(PFPE)

 RUI(PFPE) M Grades


Unit

606

1406

1606

2506

Average molecular weight

a.m.u.

1800

2500

2700

3300

Specific gravity(20℃,68℉)

gcm3

1.88

1.89

1.89

1.90

Kinematic Viscosity

cSt

64

148

168

276

Vapor pressure


      @25

torr

8×10-7

1×10-7

2×10-6

6×10-8

     @100

torr

3×10-3

2×10-4

2×10-4

6×10-5

Pour Point

-50

-45

-45

-35

Heat of vaporization

cal/g

11

8

8

7

        200℃)






Surface tension
⊙22hrs,149℃(1406,1606,2506)

dyne/cm

21

22

22

22

Evaporation loss

%by wt.
22hrs,120(606)

2.8

2.6

3.9

0.6

Ultimate total pressure

torr

1.7×10-3

1.4×10-3

2.4×10-3

1.2×10-3

Specific oil consumption

         cm3/hr

0.4

0.6

0.5

0.7


Typical

RUI M


606

1406

1606

2506

Rotary pumps-sealing & llubricant fluid


Turbomolecular pumps-lubrication




Roots pumps-lubrication



Diffusion pumps-working fluid




Application

Used in vacuum pumps as sealing & lubricating fluid and working fluids especially when pumping strongly oxidative substances like oxygen, ozone or nitric oxides as well as highly reactive substances like halogens and hydrogen halides.

Packing and Storage

Available in 1kg plastic drums, 5kg plastic drums

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

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