Galden® HT 110

What is Galden® HT 110?

Galden® HT 110 is a superior dielectric fluid, highly favored for diverse applications in the vacuum and electronics sectors. With a boiling point of 110°C and excellent thermal management properties for cooling and heat transfer at elevated temperatures, Galden® HT 110 is specifically engineered for use in the semiconductor, electronics, and solar energy industries.

Key Features of Galden® HT 110

Galden® HT 110 is a low-boiling perfluoropolyether (PFPE) heat-transfer fluid designed for systems requiring precise temperature control, electrical insulation, chemical inertness and non-flammability. Its nominal boiling point is 110°C.

Galden® HT 110 is particularly suitable for semiconductor process chillers, recirculating temperature-control units, electronic cooling systems, testing equipment and other thermal-exchange systems requiring a balance of low viscosity and reduced evaporation.

Technical data sheet of Galden® HT 110

Physical

Thermal

Electrical

Optical

Galden® HT Series Comparison

Notes: Dielectric strength is approximately 40 kV at a 2.54 mm electrode gap. Galden® HT fluids have no flash point, fire point or auto-ignition point under standard test conditions. Values shown are typical data and should not be considered guaranteed specifications.

Additional Information

Applications of Galden® HT 110

Galden® HT 110 is an inert, dielectric PFPE heat-transfer fluid with a nominal boiling point of 110°C. It occupies the middle of the low-boiling Galden® HT range, balancing low viscosity and cold-temperature circulation with lower volatility than HT 55, HT 70 and HT 80.

1. Semiconductor Process Equipment

Galden® HT 110 is widely suited to temperature-control circuits serving semiconductor fabrication equipment. Typical uses include thermal management for dry etching, chemical vapor deposition, physical vapor deposition, ion implantation and other wafer-processing operations.

Its dielectric properties, chemical inertness, low surface tension and thermal stability support accurate wafer-temperature control in equipment exposed to aggressive process conditions. Stable temperature regulation is important for process repeatability, wafer quality and equipment reliability.

2. Recirculating Chillers and Temperature-Control Units

Galden® HT 110 can be circulated through chillers and temperature-control units connected to semiconductor tools, analytical instruments and precision industrial equipment.

Compared with HT 55–HT 80, HT 110 provides a higher boiling margin and lower evaporation tendency while retaining relatively easy circulation. It is therefore useful for moderate-temperature systems that need better fluid retention than the lowest-boiling HT grades. Syensqo specifically identifies recirculating chillers as an application for Galden® HT fluids.

3. Transformer and Power-Electronics Cooling

Galden® HT 110 can provide heat removal and electrical insulation in compatible transformers, power supplies, converters and other electrical systems.

Galden® PFPE fluids have a typical dielectric strength of approximately 40 kV across a 2.54 mm gap. They are also non-flammable, making them useful where conventional conductive or combustible cooling fluids could introduce additional electrical or fire risks.

4. Supercomputer and Electronic-Equipment Cooling

Galden® PFPE fluids are used for cooling high-density computing and electronic equipment because they combine dielectric behavior, chemical stability and compatibility with many engineering materials.

HT 110 is most appropriate for systems whose required operating-temperature range matches its 110°C boiling point. Depending on the system design, it may be used in an indirect cooling circuit or in direct-contact cooling applications where the fluid remains within controlled operating limits.

5. Chemical and Pharmaceutical Process Temperature Control

Galden® HT 110 can be used in closed heat-transfer circuits serving reactors, process vessels, laboratory equipment and specialized pharmaceutical production systems.

Its chemical inertness helps minimize undesirable reactions with aggressive substances, while its non-flammability can improve process safety compared with combustible hydrocarbon heat-transfer media. Syensqo lists both chemical and pharmaceutical processing among the principal application areas for Galden® HT fluids.

Certificate of Analysis (COA) for Galden® HT 110

Frequently Asked Questions About Galden® HT 110

1. What is Galden® HT 110 used for?

Galden® HT 110 is primarily used as a dielectric heat-transfer fluid in semiconductor process equipment, recirculating chillers, transformers, computing systems and specialized chemical or pharmaceutical thermal-control circuits.

It is generally selected when the system needs a higher temperature capability and lower evaporation tendency than HT 55–HT 80, without moving to the more viscous high-boiling HT grades.

2. What is the recommended operating temperature of Galden® HT 110?

Galden® HT 110 has a nominal boiling point of 110°C. For an unpressurized single-phase circulation system, Syensqo recommends selecting a fluid whose boiling point is at least 10°C above the maximum operating temperature. This gives HT 110 a general upper guideline of approximately 100°C.

The practical lower operating limit is determined by viscosity, pump capability, flow requirements and system pressure drop—not simply by the fluid’s pour point.

3. Is Galden® HT 110 electrically insulating and non-flammable?

Yes. Galden® PFPE fluids provide a typical dielectric strength of approximately 40 kV at a 2.54 mm gap and a typical volume resistivity of 1.5 × 10¹⁵ Ω·cm.

They have no flash point, fire point or auto-ignition point under standard test conditions. These characteristics support thermal management around sensitive or energized electrical equipment.

4. Can Galden® HT 110 be used for vapor-phase soldering?

Galden® HT 110 may be used for general heat transfer or specially engineered vapor-phase heating, but it should not automatically be treated as a dedicated vapor-phase soldering fluid.

Galden® LS and HS grades are specifically manufactured for vapor-phase soldering and have tightly controlled molecular-weight distributions and vapor-temperature specifications. HT grades are primarily designed as heat-transfer fluids.