Fomblin® Y Fluids |

Fomblin® Y Fluids

Fomblin® Y Fluids

 

Y04 Y06 Y25 Y45 YR YPL1500 YR1800

 

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
  • A few of the critical uses of Fomblin® PFPE lubricants include:
  • 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® Y perfluoropolyether fluids have the following unique features:
  • Excellent high temperature stability
  • Good low temperature properties
  • Very good extreme pressure (EP) and wear characteristics
  • Low evaporative loss
  • Good viscosity index

 

 

 Property Y04 Y06 Y25 Y45 YR YPL1500 YR1800
Approximate ISO grade 15 22 100 150  320  460  460
Average molecular weight [amu] 2,000 2,400 3,700 4,100  6,400  6,900  7,300

Kinematic viscosity

@ 20 °C [cSt]

@ 40 °C [cSt]

@ 100 °C [cSt]

38

15

3.2

60

22

4.1

250

80

10

470

147

16

 1,300

345

33

 1,500

420

40

 1,850

510

47

Viscosity index (ASTM D2270) 60 73 108 117  135  144  148
Pour point (ASTM D97) [C°] -58 -50 -35 -30  -25  -25  -20

Evaporation weight loss (ASTM 2595)

@ 120 °C, 22 hr [%]

@ 149 °C, 22 hr [%]

@ 204 °C, 22 hr [%]

 

9

~

~

 

6

20

~

 

~

2

15

 

~

0.7

1.7

 

~

0.5

1.2

 

~

0.3

0.9

 

~

~

0.5

Surface tension(ASTM D1331) 20 °C [dyne/cm] 21 21 22 22   24   24   24
Density (ASTM D4052) @ 20 °C [g/cm3] 1.87 1.88 1.9 1.91  1.91  1.91  1.92
Four ball wear test (ASTM D4172 @ 75 °C, 1 hr, 1,200 rpm, 40 kg) Average scar diameter [mm] 0.51 0.63 0.66 0.81    0.90    0.95    1.20