Fomblin® W lubricants

Fomblin® W lubricants

Fomblin® W Lubricants

 

Product Overview

The following properties and characteristics of Fomblin® PFPE lubricants are sure to include some that are important to your application:

Unmatched chemical and solvent resistance

Excellent thermal resistance

Excellent electrical resistance

Non-reactive with metal, plastic, elastomers and rubber

Inert to liquid and gaseous oxygen

Excellent radiation hardness

Good viscosity index

Nonflammable

Extremely wide operating temperature range

Low evaporation loss

Excellent water washout properties

Good low and high temperature wear properties

Environmentally safe

Non-toxic behavior

In addition, certain grades of Fomblin® PFPE

lubricants also offer special features such as:

Excellent low temperature starting torque

Improved evaporation characteristics

Applications
  • Tenter frames in the textile industry
  • Deep space rocket nozzle lubrication
  • Missile catapult system lubrication
  • Sintered metal bearing requiring exceptional operating life
  • Anti-lock braking systems
  • Oxygen and chlorine valves and pumping systems
  • Sealing fluid for vacuum pumps
  • Gold contact surface lubrication
  • Nuclear industry lubricants
  • Instrument lubricants
  • Lifetime sealed, maintenance-free bearings
  • Lubricants for gasoline tank floats
  • Bearings exposed to high temperatures, moisture and aggressive chemicals
Features and Benefits
  • Fomblin® W perfluoropolyether fluids have the following unique features:
  • Good low to high temperature performance
  • Very good viscosity index
  • Low to high temperature stability
  • Low evaporative loss

 

Typical Properties

W150

W500

W800

Average molecular weight [amu]

4,500

7,200

7,400

Kinematic viscosity (ASTM D445)

@ 20 °C [cSt]

153

543

800

@ 40 °C [cSt]

72

208

277

@ 100 °C [cSt]

16

34

41

Viscosity index (ASTM D2270)

236

209

204

Pour point (ASTM D97) [C°]

-68

-46

-39

Evaporation weight loss (ASTM 2595)

@ 149 °C, 22 hr [%]

1.4

0.1

0.1

@ 204 °C, 22 hr [%]

13.5

0.9

0.5

Density (ASTM D4052) @ 20 °C [g/cm3]

1.86

1.89

1.9

Four ball wear test (ASTM D4172 @ 75 °C, 1 hr,

0.7

0.9

1.1