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ThermoSPEL TH 66

ThermoSPEL TH 66

THERMOSPEL TH 66™ is a fully synthetic long life heat transfer fluid for unmatched high temperature performance in modern heat transfer systems up to 350 ºC. Its composition offers inherently high thermal stability & low vapor pressure. The high boiling point of THERMOSPEL TH 66™ helps to reduce the volatility and fluid leakage problems.

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  • Key Benefits
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THERMOSPEL TH 66™ is designed use in non-pressurized/ low pressure, indirect heating systems in polymerization, polycondensation, polyester, nylon, and synthetic fiber processing & other similar industries. Also suitable in most thermic systems in pharmaceutical, oil & gas, plastic processing, chemical processing, solar energy, heat recovery, environmental test chambers.

Property Method Result Property Method Result
Appearance Visual Clear Bright Autoignition temperature, ⁰C ASTM E-659 389
Colour Visual Light Yellow Total Acidity, mgKOH/g ASTM D-664 <0.01
Maximum bulk temperature, ⁰C CTM 350 Copper corrosion ASTM D-130 1a
Normal boiling point, ⁰C CTM 360 Moisture content, maximum ASTM E-203 150 ppm
Density @ ⁰C, 25 g/cc ASTM D-4052 1.021 Dielectric constant @23°C ASTM D-924 2.61
Flash Point, ⁰C ASTM D-92 199 Average molecular weight CTM 252
Pour Point, ⁰C ASTM D-97 -5 Pseudocritical temperature, ⁰C CTM 569
Kinematic Viscosity @ 40 ⁰C ASTM D-445 30 Pseudocritical pressure, bar CTM 24
Kinematic Viscosity @ 100 ⁰C ASTM D-445 5 Carbon Residue Percent, % CTM 0.01
  • Long Fluid Life
  • Excellent Heat Transfer
  • Low Operating Pressure
  • Wide Operating Temperature Range
  • Precise Temperature Control
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