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ESSELTHERM XL Extremely Low Temperature Heat Transfer Fluid (-120°F to 350°F)

ESSELTHERM XL Extremely Low Temperature Heat Transfer Fluid (-120°F to 350°F)

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An extremely low temperature thermal fluid engineered for precise control from -84°C (-120°F) to 177°C (350°F), with stable, non-corrosive performance across the whole range and an economical cost for near-cryogenic duty.

Used in near-cryogenic cooling and heating loops for botanical and cannabis extraction, pharmaceutical and chemical low-temperature reactors, freeze-drying and food processing, and laboratory chillers.

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

  • Operating range -84°C (-120°F) to 177°C (350°F)
  • Designed for extreme low-temperature performance
  • Flash point 63°C (145°F)
  • Stable and non-corrosive for reliable operation
  • Consistent properties across the entire temperature range
  • Economical choice for near-cryogenic applications

Specifications

Temperature ratings

Max bulk / use temperature 350°F
Max film temperature 400°F
Pour point, ASTM D445 -130°F

Safety data

Flash point, ASTM D92 145°F
Fire point, ASTM D92 158°F
Autoignition, ASTM E-659-78 527°F

Thermal properties

Thermal conductivity, -40°F / 0°F / 100°F 0.069 / 0.067 / 0.062 BTU/hr·ft·°F
Heat capacity, -40°F / 0°F / 100°F 0.445 / 0.465 / 0.518 BTU/lb·°F

Physical properties

Viscosity, ASTM D445, -40°F / 40°F / 100°F 8.68 / 2.19 / 1.25 cSt
Density, ASTM D1298, -40°F / 0°F / 100°F 50.65 / 49.74 / 47.22 lb/ft³
Vapor pressure, ASTM D2879, -40°F / 0°F / 100°F 0 / 0 / 0.03 psia
  • Brand: ESSELTHERM (distributed by SDI Chemicals)
  • Product code: ESSELTHERM XL
  • Pack size: drums and totes standard; pails and bulk tankers quoted on request
  • Documentation: TDS / SDS available on request
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