Thermal Management Fluids

Heat is the silent limiter of innovation. As data centers scale, batteries become more powerful, and electronics grow more compact, traditional cooling methods reach their limits. How do you unlock higher performance, safety, and sustainability - at the same time?

Evonik delivers the answer. With VISCOBASE® Thermal Management Fluids, we don’t just develop advanced cooling chemistries - we actively engineer and supply high-performance, sustainable fluid solutions that redefine what thermal management can achieve.

Designed for the next generation of energy, electronics, and mobility systems, VISCOBASE® enables efficient heat dissipation, enhanced system reliability, and reduced environmental impact - all in one solution.

• Exceptional Cooling Performance: Optimized viscosity and superior heat transfer characteristics for high-efficiency systems 
• Maximum Safety: High flash points and excellent dielectric properties for sensitive applications 
• Sustainable Innovation: Readily biodegradable fluids with a low product carbon footprint 
• Future-Ready Technology: Produced using cutting-edge processes like Evonik’s Rheticus technology that produces sustainable molecules with a negative carbon footprint
• Tailored Solutions: Custom formulations designed to meet your exact performance and regulatory requirements 

Solutions by Application

Data Centers & High-Performance Computing

• VISCOBASE® Thermal Management Fluids enable direct immersion cooling for servers and IT equipment, delivering superior heat removal compared to conventional air cooling systems. 
• Improve energy efficiency and reduce infrastructure footprint while supporting AI-driven and high-density computing environments.
• Enable waste heat recovery, contributing to more sustainable data center operations. 

Result: Lower operating costs, higher uptime, and scalable cooling for tomorrow’s digital infrastructure.

E-Mobility & Battery Systems

• VISCOBASE® fluids deliver efficient thermal regulation of battery cells, ensuring stable operating temperatures even under extreme load conditions. 
• Enhance battery lifetime, safety, and charging performance with dielectric immersion cooling solutions.
• Support advanced EV architectures with lightweight, space-saving cooling concepts.

Result: Longer battery life, improved safety margins, and optimized vehicle performance.

Energy Storage & Power Electronics

• Designed for high-performance energy storage systems and power electronics, VISCOBASE® fluids ensure consistent heat transfer in demanding environments. 
• Maintain system efficiency while protecting sensitive components from thermal stress.
• Ideal for renewable energy systems, grid storage, and electrification technologies.

Result: Reliable operation, reduced downtime, and extended component lifespan.

The Evonik Advantage

At Evonik, we go beyond supplying materials—we partner with you to develop tailored thermal management solutions that meet your technical and sustainability goals.

• Developed & Manufactured by Evonik: Deep expertise in thermal management and ester-based dielectric fluid chemistry
• Regulatory Confidence: Solutions aligned with global safety and environmental standards
• Sustainability Built-In: Low carbon footprint, biodegradability, and circular thinking
• Application Expertise: From concept to performance optimization, we support your journey

Cooling is no longer just a necessity - it’s a competitive advantage. With VISCOBASE® Thermal Management Fluids, you can push boundaries, improve efficiency, and build more sustainable systems.

• Explore how VISCOBASE® can elevate your application
• Contact our experts to develop your customized solution
• Start your journey toward smarter, sustainable cooling today

Evonik – Leading Beyond Chemistry. Delivering thermal management solutions that power the future.