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Dowtherm G heat transfer fluid is an efficient, medium-range fluid that has a recommended use temperature of 20 °F to 680 °F.
DOWTHERM G is a stable, low pressure liquid-phase heat transfer fluid. This fluid offers the benefits of low vapor pressure with high thermal stability, as well as pumpability at moderately low temperatures. DOWTHERM G is a mixture of di- and tri-aryl compounds. Dowtherm G heat transfer fluid provides superior performance in liquid phase heat transfer systems. Dowtherm G has a recommended operating temperature between 20 °F and 675 °F.
DOWTHERM G heat transfer fluid is a highly stable, low pressure fluid. These characteristics can minimize problems that may result from accidental overheating caused by inadequate circulation, flame impingement, or improper heater firing.
Start-up and shutdown problems are minimized by Dowtherm G heat transfer fluid’s exceptional flow characteristics at low temperatures. DOWTHERM G has high flash, fire and autoignition points. Dowtherm G presents no fire hazard at ambient temperatures.
This product is to be used in a closed, pressurized system with an expansion tank and nitrogen blanket.
Dowtherm G is often utilized in processes to include: Polystyrene, Polycarbonate, Heat recovery, Offshore platforms, Refineries
Feature: Lower pressure than some other heat transfer fluids
Benefit: Improved safety, cost savings on materials of construction
Feature: High thermal stability
Benefit: Longer fluid life at extreme temperatures
Feature: High flash, fire and autoignition points
Benefit: Reduced fire hazard, improved safety
Feature: Excellent flow characteristics at low temperatures
Benefit: Reduced start-up and shutdown problems
Crystal Point: < 40°F
Flash Point, Closed Cup: 552 °F
Autoignition Temperature: 810 °F
Density at 75°F: 8.71 lb/gl
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