Galden® HT 270

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Galden HT-270 is a heat transfer fluid. Distinguished by its high boiling point, this fluid excels in efficient heat transfer at high temperatures and low pressures. It finds widespread use in industrial applications, particularly for heat transfer and cooling in equipment and systems that demand high stability and performance under extreme temperature and pressure conditions. Notable applications include the semiconductor, electronics, and solar energy industries.

Technical data sheet

Physical

Property	Typical Value	Unit
Average Molecular Weight	1550	amu
Density	1.85	g/cm³
Kinematic Viscosity	14.0	cSt
Solubility
of air	26.0	ml gas/100 ml liquid
of water	<10.0	wppm
Surface Tension	20	dyne/cm
Vapor Pressure	<10E-2	torr

Thermal

Property	Typical Value	Unit
Boiling Point	270	°C
Heat of Vaporization - at Boiling Point	15.0	cal/g
Specific Heat Capacity (25°C)	0.23	cal/g/°C

Electrical

Property	Typical Value	Unit
Dielectric Constant	1.94
Dielectric Strength - 2.54mm gap	40	kV
Volume Resistance	610E15	ohms·cm

Optical

Property	Typical Value	Unit	Test Method
Refractive Index	1.28		ASTM D542

Additional Information

Property	Typical Value	Unit
Thermal Conductivity (25°C)	0.065	W/m°C
Coefficient of Expansion	0.001	cm³/cm³°C

Product functions

Chemical Compatibility:

Bromine Free & Chlorine Resistant: Safe for use in environments with bromine or chlorine, common in water treatment and certain manufacturing processes.
High Purity: Minimizes contamination risks in sensitive equipment.
High ESCR (Stress Crack Resist.): Withstands prolonged stress without cracking, ensuring long-lasting performance.
Sour Gas Resistant, Good Glycol Resistance, Bio-Fuel Resistant, Fuel Resistant: Compatible with various fluids encountered in industrial settings, reducing the need for specialized fluids.
Alkali Resistant, Acid Resistant, Alcohol Resistant: Withstands exposure to a wide range of chemicals, expanding its application possibilities.
Mineral/Synthetic Oil Resistant, Detergent Resistant: Compatible with lubricants and cleaning agents, simplifying maintenance procedures.

Physical Properties:

Low Moisture Absorption: Minimizes corrosion concerns in humid environments.
Dielectric Properties: Can act as an electrical insulator in certain applications.
Non-Flammable: Offers a safety advantage over flammable heat transfer fluids.
Radiotranslucent & Transparent: Allows for visual inspection of equipment internals (opacity may vary).
UV Resistant: Maintains its properties even when exposed to ultraviolet radiation.
Radiation (Gamma) Resistant (to a degree): Can withstand some level of gamma radiation exposure (refer to specific product data for details).
Good Thermal Stability & High Heat Resistant: Operates effectively at high temperatures without degradation.

Overall Benefits:

Galden® HT 270's combination of chemical compatibility, physical properties, and thermal stability makes it a valuable choice for various industrial applications, particularly in:

Semiconductor Industry: Precise temperature control for chip manufacturing.
Electronics Industry: Efficient cooling of electronic components in devices.
Solar Energy Industry: Heat transfer and cooling in solar panels and power plants.
Chemical Processing: Compatible with a wide range of chemicals for safe and efficient heat transfer.

Applications of Galden® HT 270

Electronics

Segments	Applications	End uses
Semiconductor	Fab Process Materials	Semiconductors - Electronics, Strippers And Cleaners
Semiconductor	Fab Process Materials	Solvent For Electronic Applications
Semiconductor	Fab Process Materials	Semiconductors - Fab Process Material
Semiconductor	Test & Packaging	Semicon Testing/Packaging/Others