Skip to product information
1 of 1

ESSELTHERM 45 Heat Transfer Fluid (450°F)

ESSELTHERM 45 Heat Transfer Fluid (450°F)

Sale Request for Quote
Shipping calculated at checkout.

A cost-effective, thermally stable heat transfer fluid rated to 233°C (450°F) for systems that run both heating and cooling cycles. It stays pumpable down to -45°C (-49°F) and is a lower-cost alternative to synthetic and aromatic fluids.

Used in batch reactors and jacketed vessels, plastics and rubber processing, chemical and pharmaceutical process heating and cooling, and outdoor thermal-fluid systems.

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 233°C (450°F) with effective cooling performance
  • Remains pumpable down to -45°C (-49°F)
  • Precise control in both heating and cooling processes
  • Less expensive than synthetic and aromatic fluids
  • Dual-stage antioxidant system for oxidation resistance

Specifications

Temperature ratings

Max bulk / use temperature 450°F
Max film temperature 490°F
Pour point, ASTM D445 -49°F

Safety data

Flash point, ASTM D92 302°F
Fire point, ASTM D92 327°F
Autoignition, ASTM E-659-78 625°F

Thermal properties

Thermal expansion coefficient 0.0564 %/°F
Thermal conductivity, 0°F / 100°F / 250°F / 450°F 0.078 / 0.076 / 0.071 / 0.066 BTU/hr·ft·°F
Heat capacity, 0°F / 100°F / 250°F / 450°F 0.504 / 0.549 / 0.617 / 0.707 BTU/lb·°F

Physical properties

Viscosity, ASTM D445, 40°F 33.02 cSt
Density, ASTM D1298, 0°F / 100°F / 250°F / 450°F 53.6 / 51.4 / 48.0 / 43.4 lb/ft³
Vapor pressure, ASTM D2879, 0°F / 100°F / 250°F / 450°F 0 / 0 / 0.07 / 2.28 psia
Distillation range, ASTM D2887, 10% / 90% 505°F / 947°F
Molecular weight 372
  • Brand: ESSELTHERM (distributed by SDI Chemicals)
  • Product code: ESSELTHERM 45
  • Pack size: drums and totes standard; pails and bulk tankers quoted on request
  • Documentation: TDS / SDS available on request
View full details