Galden® PFPE

Perfluoropolyether Fluorinated Fluids

Galden® PFPE is a line of high-performance, inert, fluorinated fluids used as heat transfer and for various high-tech applications in the Electrical & Electronics and Semiconductors markets.

Key Features

  • High thermal stability
  • Wide operating temperature range
  • Good dielectric properties
  • Excellent chemical inertness
  • Good compatibility with metals, plastics and elastomers
  • No flash or fire point, no auto-ignition point
  • Safety (FM approved 6930 standard)

High Boiler Grades

Galden® High Boilers (HBs) is the family of heat transfer synthetic fluids engineered for high temperature applications which feature:

  • The highest boiling points among fluorinated heat transfer fluids
  • Very low vapor pressure and evaporation tendency
  • Outstanding non-flammability
  • Excellent chemical inertness
  • Safety (FM approved 6930 standard)

Galden® HBs are the best candidates for use at temperatures above 150° C to 270° C without pressure build-up and absolutely no fire hazard.

Among the advantages of a sound safety profile for high temperature applications is a positive impact on the Cost of Ownership.

Typical applications for Galden® HBs

  • Heat transfer management in the photovoltaic cell manufacturing process
  • Heat vector in the solar thermal industry
  • Heating fluid
  • Metallurgy
  • Energy sector

 

Factory Mutual Approved

Galden® HBs are Factory Mutual approved according to the FM 6930 standard and are available in industrial quantities.

Typical Properties

Galden® D

Thermal Shock Testing 
(not for specification purpose)

Property Units Single Fluids Dual Fluids
D02TS D03 D02 D05
Normal boiling point °C 165 203 175 230
Pour point °C -97 -85 -97 -77
Density, 25°C g/cm3 1.77 1.79 1.77 1.82
Density, -54°C g/cm3 1.95 1.96 1.95 1.98
Kinematic viscosity, 25°C cSt 1.7 2.4 1.8 4.4
Kinematic viscosity, -54°C cSt 45 160 - -
Specific heat, 25°C J/Kg°C 973 973 973 973
Thermal conductivity, 25°C W/m°C 0.07 0.07 0.07 0.07
Coefficient of expansion cm3/cm3°C 0.0011 0.0011 0.0011 0.0011
Surface tension dyne/cm 16 16 16 17
Dielectric strength kV (2.54 mm gap) 40 40 40 40
Dielectric constant   2.1 2.1 2.1 2.1
Volume resistivity Ohm-cm 5*1015 5*1015 5*1015 5*1015
Average molecular weight a.m.u. 750 870 760 1,020

Hermetic Seal Testing

Property Units Detector Fluids Indicator Fluids
DET D02 D03
Normal boiling point °C 81 175 203
Pour point °C -110 -97 -85
Density, 25°C g/cm3 1.70 1.77 1.79
Density, 125°C g/cm3 - 1.54 1.58
Kinematic viscosity, 25°C cSt 0.60 1.80 2.40
Kinematic viscosity, 125°C cSt - 0.46 0.55
Specific heat, 25°C J/Kg°C 973 973 973
Thermal conductivity, 25°C W/m°C 0.07 0.07 0.07
Coefficient of expansion cm3/cm3°C 0.0011 0.0011 0.0011
Surface tension dyne/cm 16 16 16
Dielectric strength kV (2.54 mm gap) 40 40 40
Dielectric constant   2.1 2.1 2.1
Volume resistivity Ohm-cm 5*1015 5*1015 5*1015
Average molecular weight a.m.u. 430 760 870

 

 

Galden® LS/HS
Property Units LS200 LS215 LS230 HS240 HS260
Normal boiling point °C 200 215 230 240 260
Density @ 25°C g/cm3 1.79 1.80 1.82 1.82 1.83
Kinematic viscosity @ 25°C cSt 2.50 3.80 4.40 5.30 7.00
Vapor pressure @ 25°C torr 21 12 3.4 1 1
Specific heat @ 25°C J/Kg°C 973 973 973 973 973
Heat of vap. @ BPT J/g 63 63 63 63 63
Thermal conductivity W/m°C 0.07 0.07 0.07 0.07 0.07
Coefficient of expansion cm3/cm3°C 0.0011 0.0011 0.0011 0.0011 0.0011
Surface tension dyne/cm 19 20 20 20 20
Dielectric strength kV (2.54 mm gap) 40 40 40 40 40
Dielectric constant   2.1 2.1 2.1 2.1 2.1
Volume resistivity Ohm-cm 5*1015 5*1015 5*1015 5*1015 5*1015
Average molecular weight a.m.u. 870 950 1,020 1,085 1,210
Galden® SV
Property Units SV55 SV70 SV80 SV110 SV135
Boiling point °C 55 70 80 110 135
Density g/cm3 1.65 1.68 1.68 1.71 1.72
Surface tension Dyne/cm 10 14 16 16 17
Kinematic viscosity @ 25°C cSt 0.45 0.50 0.57 0.77 1.00
Heat of vaporization BP cal/gm 22 17 17 16 16
Vapor pressure @ 20°C torr 228 165 62 0.71 0.21
Solubility of water ppm 14 14 14 14 14
Flash point °C None None None None None
Fire point °C None None None None None
Autoignition temperature °C None None None None None
ODP   0 0 0 0 0
Galden® HT - Low Boilers
Property Units Galden® 
HT55
Galden® 
HT70
Galden® 
HT80
Galden® 
HT110
Boiling point °C 55 70 80 110
Pour point °C <-115 -115 <-110 -100
Density @ 25°C g/cm3 1.65 1.68 1.69 1.71
Kinematic viscosity @ 25°C cSt 0.45 0.50 0.57 0.77
Kinematic viscosity @ 0°C cSt 0.64 0.75 0.83 1.21
Kinematic viscosity @ -20°C cSt 0.91 1.09 1.22 1.94
Kinematic viscosity @ -40°C cSt 1.40 1.79 2.00 3.74
Surface tension @ 25°C dynes/cm 16 14 16 16
Vapor pressure @ 25°C torr 225 141 105 17
Specific heat @ 25°C cal/g°C 0.23 0.23 0.23 0.23
Thermal conductivity @ 25°C W/m°C 0.065 0.065 0.065 0.065
Heat of vaporization @ boiling point cal/g 22 17 17 17
Dielectric strength @ 25°C KV (2.54mm gap) 40 40 40 40
Dissipation factor @ 25°C 
(1 kHz)
  2*10-4 2*10-4 2*10-4 2*10-4
Dielectric constant @ 25°C 
(1 kHz)
  1.86 1.88 1.89 1.92
Volume resistivity O.cm 5*1015 5*1015 5*1015 5*1015
Solubility of water ppm (wt) 14 14 14 14
Solubility of air cm3gas/ 
100 cm3liquid
26 26 26 26
Refractive index @ 25°C   1.280 1.280 1.280 1.280
Coefficient of expansion cm3/cm3°C 0.0011 0.0011 0.0011 0.0011
Average molecular weight   340 410 430 580
Galden® HT - High Boilers
Property Units Galden® 
HT135
Galden® 
HT170
Galden® 
HT200
Boiling point °C 135 170 200
Pour point °C -100 -97 -85
Density @ 25°C g/cm3 1.72 1.77 1.79
Kinematic viscosity @ 25°C cSt 1.0 1.8 2.4
Kinematic viscosity @ 0°C cSt 1.69 3.41 4.97
Kinematic viscosity @ -20°C cSt 2.92 7.11 11.65
Kinematic viscosity @ -40°C cSt 6.32 21.14 -
Surface tension @ 25°C dynes/cm 17 18 19
Vapor pressure @ 25°C torr 5.8 0.8 0.2
Specific heat @ 25°C cal/g°C 0.23 0.23 0.23
Thermal conductivity @ 25°C W/m°C 0.065 0.065 0.065
Heat of vaporization @ boiling point cal/g 16 16 15
Dielectric strength @ 25°C KV (2.54mm gap) 40 40 40
Dissipation factor @ 25°C (1 kHz)   2*10-4 2*10-4 2*10-4
Dielectric constant @ 25°C (1 kHz)   1.90 1.90 1.94
Volume resistivity O.cm 5*1015 5*1015 5*1015
Solubility of water ppm (wt) 14 14 14
Solubility of air cm3gas/ 
100 cm3liquid
26 26 26
Refractive index @ 25°C   1.280 1.280 1.281
Coefficient of expansion cm3/cm3°C 0.0011 0.0011 0.0011
Average molecular weight   610 760 870
Property Units Galden® 
HT230
Galden® 
HT270
Normal Boiling point °C 230 270
Density @ 25°C g/cm3 1.82 1.85
Kinematic viscosity @ 25°C cSt 4.4 11.7
Vapor pressure @ 25°C torr 0.025 3*10-3
Specific heat @ 25°C cal/g°C 0.23 0.23
Thermal conductivity @ 25°C W/m°C 0.065 0.065
Heat of vaporization @ boiling point cal/g 16 15
Dielectric strength @ 25°C KV (2.54mm gap) 40 40
Dissipation factor @ 25°C (1 kHz)   2*10-4 2*10-4
Dielectric constant @ 25°C (1 kHz)   1.94 1.94
Volume resistivity O.cm 5*1015 5*1015
Solubility of water ppm (wt) 14 14
Solubility of air cm3gas/ 
100 cm3liquid
26 26
Coefficient of expansion cm3/cm3°C 0.0011 0.0011
Average molecular weight   1,020 1,550
Appearance   Clear and odorless Clear and odorless