Description

Galden HT-135 PFPE Heat Transfer Fluid 7 kg / 1 Gal Bottle

Galden HT-135 PFPE heat transfer fluid is a line of dielectric fluids with boiling points ranging from 55° C to 270° C. The excellent dielectric properties of these perfluorinated polyethers (PFPE) and their high chemical stability combined with the capacity to operate at very low as well as elevated temperatures, make them the best heat transfer fluids for the aggressive conditions found in semiconductor, electronic, and solar industries.

Galden HT-135 PFPE heat transfer fluid Operating temperature range

Grade	HT55	HT70	HT80	HT110	HT135	HT170	HT200	HT230	HT270
Vapor Pressure (Torr)	225	141	105	17	5.8	0.8	0.2	0.025	0.01
Pour Point (° C)	-110	-115	<-110	-110	-110	-97	-85	-77	-66
Boiling Point (° C)	55	70	80	110	135	170	200	230	270
Specific Heat (J/g)	0.232	0.232	0.232	0.232	0.232	0.232	0.232	0.232	0.232
Surface Tension	16	14	16	16	17	18	19	19	20
Molecular Weight	340	410	430	580	610	760	870	1020	1550
Heat of Vaporization	22	17	17	17	16	16	15	15	15
Kinematic Viscosity (cSt)	0.45	.050	0.57	0.77	1.00	1.80	2.40	4.40	11.70
Thermal Conductivity	0.065	0.065	0.065	0.065	0.065	0.065	0.065	0.065	0.065
Relative Density	1.65	1.68	1.69	1.71	1.72	1.77	1.79	1.82	1.85
Volume Resistivity	1 x 1012	1 x 1015	1.5 x 1015	1.5 x 1015	1.5 x 1015	1.5 x 1015	6 x 1015	6 x 1015	6 x 1015
Solubility of Water (ppm by wt)	14	14	14	14	14	14	14	14	14
Dielectric Strength	40	40	40	40	40	40	40	40	40
Dielectric Constant	1.86	1.88	1.89	1.92	1.92	1.94	1.94	1.94	1.94
Solubility of Air (cm3 gas/100 cm3 liquid)	26	26	26	26	26	26	26	26	26
Operating Range (° C)	-90 to 45	-75 to 60	-70 to 70	-60 to 100	-50 to 125	-30 to 160	-20 to 190	0 to 220	25 to 260

Application of Galden HT-135

• Antifreeze liquid
• Lubricant

Material Safety Data Sheet: Galden HT-135 PFPE

Galden PFPE Heat Transfer Fluids >>

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