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ESSELTHERM L Low Temperature Heat Transfer Fluid (-20°F to 437°F)

ESSELTHERM L Low Temperature Heat Transfer Fluid (-20°F to 437°F)

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A low-temperature thermal fluid for heating and cooling duty that stays pumpable down to -29°C (-20°F) without heat tracing and operates up to 225°C (437°F). It runs cleaner for extended service life and is disposable with other waste oils.

Used in outdoor and unheated thermal-fluid installations, batch processing with alternating heating and cooling, chillers and process coolers, and pharmaceutical and chemical pilot plants.

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 225°C (437°F) with excellent cooling capability
  • Pumpable at temperatures as low as -29°C (-20°F), no heat tracing required
  • Handles both heating and cooling cycles efficiently
  • Ideal for outdoor heating and cooling applications
  • Operates cleaner for an extended service life
  • Easily disposable alongside other waste oils

Specifications

Temperature ratings

Max bulk / use temperature 437°F
Max film temperature 467°F
Pour point, ASTM D445 -72°F

Safety data

Flash point, ASTM D92 329°F
Fire point, ASTM D92 369°F
Autoignition, ASTM E-659-78 473°F

Thermal properties

Thermal expansion coefficient 0.0564 %/°F
Thermal conductivity, 100°F / 399°F 0.084 / 0.076 BTU/hr·ft·°F
Heat capacity, 100°F / 399°F 0.518 / 0.654 BTU/lb·°F

Physical properties

Viscosity, ASTM D445, 40°F / 100°F 29.64 / 8.51 cSt
Density, ASTM D1298, 100°F / 399°F 50.31 / 43.29 lb/ft³
Vapor pressure, ASTM D2879, 100°F / 399°F 0 / 0.87 psia
Distillation range, ASTM D2887, 10% / 90% 616°F / 750°F
Molecular weight 395
Specific gravity @ 60°F 0.854
  • Brand: ESSELTHERM (distributed by SDI Chemicals)
  • Product code: ESSELTHERM L
  • Pack size: drums and totes standard; pails and bulk tankers quoted on request
  • Documentation: TDS / SDS available on request
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