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Galden® Heat Transfer Fluids

Product Downloads
For a downloadable datasheet on this product, please click here.
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Click here for answers to some of the most common questions we get asked.
Contact Us
To speak with someone directly, please call 1-412-387-9200 or email international@lesker.com.

Specifications Table

Grade
HT55
HT70
HT80
HT110
HT135
HT170
HT200
HT230
HT270
Vapor Pressure (Torr)
225
141
105
17
5.8
0.8
0.2
0.03
<10-2
Pour Point
<-125°C
<-110°C
-110°C
-100°C
-100°C
-97°C
-85°C
-77°C
-66°C
Boiling Point
55°C
70°C
80°C
110°C
135°C
170°C
200°C
230°C
270°C
Specific Heat (Cal/g•°C)
0.23
0.23
0.23
0.23
0.23
0.23
0.23
0.23
0.23
Surface Tension
14 (dyne/cm)
14 (dyne/cm)
16 (dyne/cm)
16 (dyne/cm)
17 (dyne/cm)
18 (dyne/cm)
19 (dyne/cm)
19 (dyne/cm)
20 (dyne/cm)
Molecular Weight (average)
340
410
430
580
610
760
870
1020
1550
Heat of Vaporization
22 (Cal/g)
17 (Cal/g)
17 (Cal/g)
17 (Cal/g)
16 (Cal/g)
16 (Cal/g)
15 (Cal/g)
15 (Cal/g)
15 (Cal/g)
Kinematic Viscosity
0.45
0.5
0.57
0.77
1
1.8
2.4
4.4
14
Thermal Conductivity
0.065 (W/m•K)
0.065 (W/m•K)
0.065 (W/m•K)
0.065 (W/m•K)
0.065 (W/m•K)
0.065 (W/m•K)
0.065 (W/m•K)
0.065 (W/m•K)
0.065 (W/m•K)
Relative Density
1.65 (g/cm3)
1.68 (g/cm3)
1.69 (g/cm3)
1.71 (g/cm3)
1.72 (g/cm3)
1.77 (g/cm3)
1.79 (g/cm3)
1.82 (g/cm3)
1.85 (g/cm3)
Coeff. of Expansion
0.0011 (cm3/cm3•°C)
0.0011 (cm3/cm3•°C)
0.0011 (cm3/cm3•°C)
0.0011 (cm3/cm3•°C)
0.0011 (cm3/cm3•°C)
0.0011 (cm3/cm3•°C)
0.0011 (cm3/cm3•°C)
0.0011 (cm3/cm3•°C)
0.0011 (cm3/cm3•°C)
Volume Resistivity
1 x 1012 (ohm•cm)
1 x 1015 (ohm•cm)
1.5 x 1015 (ohm•cm)
1.5 x 1015 (ohm•cm)
1.5 x 1015 (ohm•cm)
1.5 x 1015 (ohm•cm)
6 x 1015 (ohm•cm)
6 x 1015 (ohm•cm)
6 x 1015 (ohm•cm)
Solubility of Water
(ppm by wt)
<10
<10
<10
<10
<10
<10
<10
<10
<10
Dielectric Strength
40 (kV)
40 (kV)
40 (kV)
40 (kV)
40 (kV)
40 (kV)
40 (kV)
40 (kV)
40 (kV)
Dielectric Constant
1.86
1.86
1.89
1.92
1.92
1.94
1.94
1.94
1.94
Dissipation Factor
2x10-4 (1 Khz)
2x10-4 (1 Khz)
2x10-4 (1 Khz)
2x10-4 (1 Khz)
2x10-4 (1 Khz)
2x10-4 (1 Khz)
2x10-4 (1 Khz)
2x10-4 (1 Khz)
2x10-4 (1 Khz)
Refractive Index
1.280
1.280
1.280
1.280
1.280
1.280
1.281
1.283
1.283
Solubility of Air
(cm3 gas/100 cm3 liquid)
26
26
26
26
26
26
26
26
26
Operating Range
-90 to 45 °C
-75 to 60 °C
-70 to 70 °C
-60 to 100 °C
-50 to 125 °C
-30 to 160 °C
-20 to 190 °C
0 to 220 °C
25 to 260 °C

Ordering Table

All dimensions listed below, unless otherwise stated, are in grams.

Description Weight PartNo Price Add
To Cart
Description Weight PartNo Price Add
To Cart
HT55 
 16.8 lbs. 
HT55-7KG P.O.R.
HT70 
 16.8 lbs. 
HT70-7KG P.O.R.
HT80 
 16.8 lbs. 
HT80-7KG P.O.R.
HT110 
 16.8 lbs. 
HT110-7KG P.O.R.
HT135 
 16.8 lbs. 
HT135-7KG P.O.R.
HT170 
 16.8 lbs. 
HT170-7KG P.O.R.
HT200 
 16.8 lbs. 
HT200-7KG P.O.R.
HT230 
 16.8 lbs. 
HT230-7KG P.O.R.
HT270 
 16.8 lbs. 
HT270-7KG P.O.R.

 

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