• ESSELTHERM SI Silicone Heat Transfer Fluid (600°F, -46°F) - ESSELTHERM heat transfer fluid supplied by SDI Chemicals
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ESSELTHERM SI Silicone Heat Transfer Fluid (600°F, -46°F)

ESSELTHERM SI Silicone Heat Transfer Fluid (600°F, -46°F)

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A silicone-based heat transfer fluid for high-oxidation and fully exposed systems, with an operating range from -46°F down to a maximum of 316°C (600°F). It is practically immune to oxidation below 204°C (400°F), non-corrosive and non-toxic.

Used in open heating and cooling baths, laboratory and pilot-plant circulators, pharmaceutical and fine-chemical reactors, and wide-range single-fluid systems that must run from deep cold to 600°F.

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 316°C (600°F)
  • Minimum operating temperature as low as -46°F
  • Strong oxidation resistance up to 204°C (400°F)
  • Suited to fully exposed systems such as open baths
  • Resists fouling for a longer service life
  • Non-corrosive and non-toxic

Specifications

Temperature ratings

Max bulk / use temperature 600°F
Max film temperature 690°F
Pour point, ASTM D445 -87°F

Safety data

Flash point, ASTM D92 615°F
Fire point, ASTM D92 636°F
Autoignition, ASTM E-659-78 818°F

Thermal properties

Thermal expansion coefficient 0.055 %/°F
Thermal conductivity, 100°F / 399°F / 500°F / 550°F 0.077 / 0.063 / 0.058 / 0.056 BTU/hr·ft·°F
Heat capacity, 100°F / 399°F / 500°F / 550°F 0.41 / 0.486 / 0.512 / 0.524 BTU/lb·°F

Physical properties

Viscosity, ASTM D445, 40°F / 100°F / 260°F 68.4 / 37.42 / 12.8 cSt
Density, ASTM D1298, 100°F / 399°F / 500°F / 550°F 59.23 / 50.6 / 47.88 / 46.44 lb/ft³
Vapor pressure, ASTM D2879, 100°F / 399°F / 500°F / 550°F 0 / 0.02 / 0.26 / 0.51 psia
Distillation range, ASTM D2887, 10% / 90% 922°F / 1255°F
  • Brand: ESSELTHERM (distributed by SDI Chemicals)
  • Product code: ESSELTHERM SI
  • Pack size: drums and totes standard; pails and bulk tankers quoted on request
  • Documentation: TDS / SDS available on request
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