DOWTHERM® J

DOWTHERM® J

Manufacturer Dow® Chemicals
Chemical name Mixture of Isomers of an Alkylated Aromatic
CAS number 25340-17-4

DOWTHERM® J can be used in the liquid phase down to -110°F and up to 600°F. In the vapor phase, the operating range is from 181°F to 315°F. This liquid is exceptional for the most demanding heating and cooling applications for single-liquid batch processing.

DOWTHERM® J can be used in the liquid phase down to -78℃ and up to 315℃. In the vapor phase, the operating range is from 181℃ to 315℃. This liquid is exceptional for the most demanding heating and cooling applications for single-liquid batch processing.

Dowtherm® J exhibits exceptional thermal stability in both the liquid and vapor phases. DOWTHERM® J heat transfer fluid offers exceptional pumpability at low temperatures, as well as excellent thermal stability; this provides protection against unintentional overheating.

Dowtherm® J heat transfer fluid has an extremely low crystal point that can completely eliminate the need for steam heating (although ventilation ducts may still require frost protection). Dowtherm® J exhibits excellent heat transfer properties, even at very low temperatures, with a viscosity of approximately 8 cps at -73℃. DOWTHERM® J heat transfer fluid can also be used in the vapor phase.

Batch processing with DOWTHERM® J heat transfer fluid eliminates system flushing requirements that can be associated with steam and brine and steam and glycol systems. DOWTHERM® J heat transfer fluid is non-corrosive to metals and alloys commonly used in heat transfer systems, providing peace of mind regarding compatibility.

This product is intended for use in a pressurized, closed system with a nitrogen blanket and an expansion vessel.

Product specifications

View the properties, applications, and categories of DOWTHERM® J below. For technical datasheets and safety information, see the downloads.

Technical details
Chemical name Mixture of Isomers of an Alkylated Aromatic
CAS number 25340-17-4
Manufacturer Dow® Chemicals
Properties and applications
Max. bulk temperature 315°C (600°F)
Max. film temperature 315°C (600°F)
Pressure-filled systems/HTF No
Normal boiling point 181°C (358°F)
Kin. visco 40°C (mm²/s) 1,40
Kin. visco 100°C (mm²/s) 0,3
Density 20°C (kg/m³) 860
Pourpoint °C -81
Flashpoint °C 57
Categories
Markets and applications
Manufacturer: Dow® Chemicals

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