PARATHERM HT

Hydrogenated Terphenyl heat transfer fluid is a partially based product designed for closed-loop liquid phase heating; Chemical e and compatible with Therminol® 66. Partially hydrogenated terphenyls have been used successfully in high temperature heat transfer applications for many years. Because it meets the standards users have come to expect of this type of chemical, our hydrogenated terphenyl thermal fluid is fully compatible with existing installations that require topping off or full replacement.

OPERATING RANGEMinimum Startup Temp (300cSt)Maximum Operating Temp

52°F / 11°C	675°F / 357°C

FEATURES

Workhorse high temperature product

Exceptional thermal stability

High boiling point, low volatility

APPLICATIONS INCLUDE

Biofuel Processing

Chemical Processing

Oil & Gas Processing

Alternative Energy & Emerging Technologies

Note: If you are experiencing short supply, or long lead times for your currently specified synthetic/aromatic 650°F (terphenyl or alkylated aromatic) heat transfer fluid, call Paratherm for a point-by-point comparison of physical properties. We have product available, and may have just the fluid for your application. +1 (610) 860-6287. Or, use the links on the left side of this page to compare properties with Therminol 66.

COMPARISON OF PARATHERM HT WITH THERMINOL 66*

Property	Paratherm HT	Therminol 66
Chemical Composition	Modified Terphenyl	Modified Terphenyl
Maximum Operating Temperature	675°F (357oC)	650°F (343°C)
Maximum Film Temperature	705°F (374°C)	705°F (374°C)
Minimum Start-up Temp (300 cSt)	52.0°F (11°C)	52.0°F (11°C)
Kinematic Viscosity @ 40 C	31.4 cSt	29.6 cSt
Kinematic Viscosity @ 100 C	4.2 cSt	3.8 cSt
Density @ 25 C	8.34 lb/gal (1005 kg/m3)	8.39 lb/gal (1005 kg/m3)