AURON HT-135 – Heat Transfer Fluid for Immersion Cooling

AURON HT-135 is a dielectric heat transfer fluid based on a fluorinated fluid, specifically developed for applications where electrical insulation and efficient heat transfer are critical.

The combination of low viscosity, high thermal stability, and excellent dielectric properties makes AURON HT-135 the ideal solution for immersion cooling, semiconductor manufacturing, power electronics, and industrial temperature control.

Your benefits at a glance

✔ Non-flammable
✔ No flash point
✔ Excellent dielectric properties
✔ Low viscosity for efficient heat transfer
✔ Wide operating temperature range
✔ High chemical and thermal stability
✔ Low vapor pressure
✔ Suitable for modern cooling and immersion systems

Why AURON HT-135?

Maximum cooling performance with maximum operational reliability

Modern electronics are generating ever-higher power densities.

At the same time, demands for energy efficiency, reliability, and electrical safety are increasing.

AURON HT-135 meets precisely these requirements:

• Excellent heat transfer
• Electrically insulating
• Non-flammable
• Low evaporation losses
• High chemical stability
• Long service life

This makes the fluid particularly suitable for applications where water or conventional cooling media cannot be used.

Outstanding electrical properties

AURON HT-135 was developed specifically for electrically sensitive applications.

Technical specifications:

• Dielectric breakdown strength approx. 30 kV
• Dielectric constant approx. 7.5
• Specific resistance approx. 10¹² Ω·cm

This makes the fluid ideal for the direct cooling of electrical components.

Developed for modern cooling systems

AURON HT-135 is used wherever precise temperature control and electrical insulation are required simultaneously.

• Immersion cooling of servers and data centers
• AI and high-performance computing (HPC)
• Temperature control in semiconductor manufacturing
• Cooling of power electronics
• Medical cooling systems
• Laser technology
• Industrial heat transfer applications

Optimized for immersion cooling

Immersion cooling is one of the most efficient cooling methods used in modern data centers and high-performance electronics.

Thanks to its low viscosity, AURON HT-135 enables rapid heat dissipation while offering excellent electrical insulation properties.

The advantages:

• higher energy efficiency
• lower fan power
• reduced noise
• compact design
• uniform temperature distribution

High thermal performance

AURON HT-135 supports stable and efficient cooling processes through:

• low viscosity for rapid heat transfer
• reduced evaporation losses
• wide operating temperature range
• reliable operation in closed systems

The typical recommended operating range is approximately -100 °C to +125 °C.

Safety and Environment

AURON HT-135 combines high performance with safe operation.

Properties:

• Non-flammable
• No GHS labeling required
• ODP: 0
• GWP: 42
• Rapidly biodegradable
• No hazardous materials classification under ADR, IMDG, IATA, ADN, and RID

Material Compatibility

Auron is compatible with a wide range of industrial materials.

• Aluminum
• Copper
• Stainless steel
• PE
• PP
• PTFE
• NBR

For critical applications, we generally recommend conducting a material test under actual process conditions.

Technical Data

Consulting for Your Cooling Application

Whether it’s immersion cooling, semiconductor processes, or industrial temperature control—we support you in selecting the right heat transfer fluid and guide you from the feasibility study through to series production.