About Eastman

Eastman has been a leading company in advanced materials and specialty additives for over a century, providing ingredients that are integral to many everyday products. Among our diverse portfolio, we have established ourselves as a global leader in heat transfer fluids. Our flagship product, Therminol® heat transfer fluid, has a legacy that spans more than 60 years.

Close-up of a specialty additive being processed pooling onto a reflective surface.

Focus on what matters

As a leading global provider of heat transfer and aviation fluids, lubricants, amine additives, and solvents, Eastman partners closely with customers to enhance the operational efficiency and safety of thermal fluid systems. Our mission is to drive innovation and proactively address the challenges of a dynamic marketplace, unlocking new opportunities, fostering growth, and delivering market-evolving solutions.

Therminol — the world’s top-selling synthetic heat transfer fluid — embodies our commitment to innovation, safety and sustainability. Specifically engineered for the indirect transfer of process heat, Therminol offers precise temperature control tailored to meet the demands of both single and multistation heat-using systems. Manufactured across four continents and trusted in over 15,000 systems worldwide, these high-performance, heat-stable fluids are supported by more than 60 years of industry expertise and dedicated technical support, ensuring reliable and efficient thermal management for a wide range of industrial applications.

Support materials in your language

For design professionals (EPCs, design engineers, OEMs), Eastman provides resources like system design assistance, guides, seminars and case studies. For engineers and facility managers, we offer support services that include initial start-up help, safety and operational training, a technical hotline, fluid analysis, and assistance with fluid discharge and refill.

HTF solutions you need

Therminol is made by Eastman, a global innovation company with a long history of running operations reliably and providing excellent customer service. Therminol is the top-selling synthetic heat transfer fluid in the world with manufacturing facilities on four continents.

Therminol fluids are designed to provide precise temperature control in a variety of applications. Across all temperature ranges, our solutions safeguard system reliability and stability. When used correctly, they provide years of trouble-free service with minimum downtime.

These high-performance fluids are backed by expert technical support and a strong foundation built from more than 60 years of industry experience. This is the Therminol advantage. Our commitment to customer relationships and partnerships allows us to understand your changing heat transfer needs.

Whether through our Total Lifecycle Care™ program or the innovative solutions that have come from our product development and in-service testing labs, the Therminol team will continue to help your business succeed.

High-performance portfolio

Eastman offers a family of Therminol heat-stable fluids developed for indirect transfer of process heat. Our fluids can meet the operating needs of nearly any single or multistation process heat system. Therminol is used in more than 15,000 systems across the world. Available in various formulations across all temperature operating ranges, Therminol provides proven performance, superior product life and worry-free fluid maintenance.

Therminol fluids offer proven solutions for mitigating and managing temperature for a variety of applications, including:

Hydrocarbon processing
Alternative energy and technologies
Plastics processing
Chemical processing
Food and beverage processing
Heat processing
Heat transfer system maintenance

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Strong foundations

Eastman Therminol heat transfer fluids have provided high performance and stability in systems since 1963. From processing oil and gas in the coldest climates to maximizing sunlight harvest in a concentrated solar power array, our solutions perform in the most demanding conditions.

The Therminol team has expertise in chemical, hydrocarbon and plastics processing. Our in-depth knowledge of system design, component suppliers, and fluid degradation and mitigation strategies gives us the flexibility to adjust to market and technology changes as they happen. Our rigorous quality control program ensures formulation consistency worldwide, and Eastman’s global footprint also provides improved responsiveness to local demand.

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Expert technical support

Therminol fluids safeguard system reliability and stability. When used correctly, they provide years of trouble-free service.

But it’s our people that help engineers and floor managers keep their cool. That expert technical support steers our Total Lifecycle Care™ program. Designed to support customers throughout system's life cycle, this comprehensive program includes sample analysis, system design support, operational training, safety awareness training, startup assistance, and fluid flushing and refill.

All systems go

A lot must go right for industrial systems to work properly. Much of that depends on the fluid in the system. To avoid unnecessary downtime, trust Therminol fluids.

Engineers and maintenance managers turn to Therminol to keep their processes running. Therminol high-performance fluids are backed by expert technical support.

A man in safety gear examines equipment.