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Low temperature, liquid phase, high performance silicone polymer used as a heat transfer fluid from -100 °F to 500 °F.
SYLTHERM HF heat transfer fluid is a low temperature, liquid phase heat transfer medium specially formulated from a high performance silicone polymer designed for use at a temperature range of -100 °F to 500 °F.
SYLTHERM HF fluid offers excellent thermal stability, outstanding low temperature heat transfer, as well as outstanding pumpability. SYLTHERM HF fluid provides an extra margin of safety and can reduce engineering and system costs with a closed cup flash point above 145 °F.
Essentially odorless, SYLTHERM HF is low in acute oral toxicity. It also is not listed in the U.S.A. as reportable under SARA Title III, Section 313.
SYLTHERM HF heat transfer fluid has a viscosity of only 16.7 centipoise at -100 °F. These low viscosities at low operating temperatures are critical properties because they allow for high heat transfer coefficients with low pressure drops, and low pumping horsepower.
This product is to be utilized in a closed, pressurized system, under inert gas blanket, with expansion tank.
Single fluid process heating and cooling systems in the pharmaceutical and fine chemical industries. This product may also be used in oil and gas.
Feature: SYLTHERM HF fluid offers excellent thermal stability at temperatures between -100 °F and 500 °F.
Benefit: Reduced degradation, longer fluid life.
Feature: SYLTHERM HF heat transfer fluid will not degrade to form solids or volatile compounds with substantially higher vapor pressures when operated within the recommended temperature range.
Benefit: System downtime for periodic fluid replacement and reprocessing is eliminated.
Feature: Essentially odorless, SYLTHERM HF is low in acute oral toxicity. It also is not listed in the U.S.A. as reportable under SARA Title III, Section 313.
Benefit: Safety, reduced risk.
Feature: SYLTHERM HF fluid remains in a liquid form below -100 °F.
Benefit: Many of the problems associated with cold weather startups and shutdowns are eliminated. Steam or electrical tracing is not needed, reducing cost to install and operate.
Feature: SYLTHERM HF fluid exhibits excellent viscosity characteristics at low temperatures. Benefit: For applications at a very low temperature, this makes it an efficient choice. The low viscosity of SYLTHERM HF fluid at low temperatures (only 16.7 cps at -100 °F) minimizes pressure drop and reduces pumping horsepower requirements. High heat transfer coefficients can be obtained over the fluid’s entire temperature range, allowing the user to cut process heat exchanger surface area requirements.
Viscosity: 1.9 cSt @ 77 °F
Flash Point, Closed Cup: 145 °F
Flash Point, Open Cup: 170 °F
Autoignition Temperature: 671 °F
Freeze Point: -115 °F
Density at 77 °F: 7.2 lb/gl
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