• ESSELTHERM 63 Heat Transfer Fluid (630°F) - ESSELTHERM heat transfer fluid supplied by SDI Chemicals
1 1

ESSELTHERM 63 Heat Transfer Fluid (630°F)

ESSELTHERM 63 Heat Transfer Fluid (630°F)

Sale Request for Quote
Shipping calculated at checkout.
Request for Quote

An economical, non-toxic heat transfer fluid rated to 333°C (630°F), formulated as a clean alternative to synthetic benzene-based aromatic fluids, with strong protection against oxidation at elevated temperatures.

Used in high-temperature process heating for chemical, polymer and composite manufacturing, wood and panel presses, oil and gas processing and other closed-loop thermal fluid systems that previously ran aromatic fluids.

Available to order from SDI Chemicals. Technical data sheet, SDS and compliance documentation are provided on request; freight and lead time are quoted to your destination, with flexible order quantities. Request a quote with your system volume and delivery ZIP.

Key features

  • Maximum operating temperature 333°C (630°F)
  • Clean, efficient alternative to synthetic, benzene-based thermal fluids
  • Precise and accurate temperature regulation
  • Lubricates and prolongs the life of gaskets and seals
  • Exceptional protection against sludge build-up
  • Non-toxic and non-hazardous

Specifications

Temperature ratings

Max bulk / use temperature 630°F
Max film temperature 670°F
Pour point, ASTM D445 -1°F

Safety data

Flash point, ASTM D92 444°F
Fire point, ASTM D92 472°F
Autoignition, ASTM E-659-78 692°F

Thermal properties

Thermal expansion coefficient 0.0562 %/°F
Thermal conductivity, 100°F / 212°F / 399°F / 500°F / 550°F / 630°F 0.083 / 0.081 / 0.078 / 0.076 / 0.075 / 0.073 BTU/hr·ft·°F
Heat capacity, 100°F / 212°F / 399°F / 500°F / 550°F / 630°F 0.475 / 0.524 / 0.606 / 0.650 / 0.672 / 0.707 BTU/lb·°F

Physical properties

Viscosity, ASTM D445, 40°F / 100°F / 260°F 320.56 / 46.66 / 4.15 cSt
Density, ASTM D1298, 100°F / 212°F / 399°F / 500°F / 550°F / 630°F 53.29 / 50.64 / 46.23 / 43.85 / 42.68 / 40.79 lb/ft³
Vapor pressure, ASTM D2879, 100°F / 212°F / 399°F / 500°F / 550°F / 630°F 0 / 0 / 0.06 / 0.33 / 0.71 / 2.04 psia
Distillation range, ASTM D2887, 10% / 90% 721°F / 921°F
Molecular weight 395
Specific gravity @ 60°F 0.864
  • Brand: ESSELTHERM (distributed by SDI Chemicals)
  • Product code: ESSELTHERM 63
  • Pack size: drums and totes standard; pails and bulk tankers quoted on request
  • Documentation: TDS / SDS available on request
View full details