A Biobased Materials Company Advancing Phase Change Solutions
Headquartered in Minneapolis, Minnesota, PureTemp develops renewable phase change materials through rigorous science, delivering precise and dependable temperature control across a wide range of applications.
About PureTemp
Built on Science, Driven by Performance
Founded in 2007 with USDA-backed research, PureTemp developed the world’s first 100% renewable phase change material. Today, our biobased PCMs support over 200 transition temperatures between -40°C and 151°C — delivering reliable thermal control across outdoor gear, healthcare, industrial systems, and beyond. Every formulation is derived from renewable sources, is nontoxic and biodegradable, and is validated through rigorous performance testing to ensure consistent results where temperature stability matters most. This is a result of our company values:
Scientific Integrity
We develop and validate our materials through rigorous research, testing, and quality standards to ensure accuracy, consistency, and long-term reliability.
Sustainability
Our phase change materials are derived from renewable, biobased sources and are designed to be nontoxic, biodegradable, and environmentally responsible.
Reliable Performance
PureTemp materials are engineered to perform predictably across real-world conditions, supporting applications where temperature stability is critical.
White-Glove Service
As a small, highly specialized team, we work directly with every customer—responding quickly, providing hands-on support, and ensuring each solution meets exact needs.
Our Values Don't Stop at Our Lab, They Define the Partnerships Behind Our Products.
Our Partners
Collaborating with Trusted Industry Leaders
ThermoSafe
ThermoSafe is a leading global provider of temperature assurance packaging for the safe and efficient transport of pharmaceuticals, biologics, vaccines and other temperature-sensitive products. With operations in North America, Europe and Asia, ThermoSafe has a vast product offering featuring industry-leading technology that encompasses refrigerated, frozen or controlled room temperature applications. PureTemp has an exclusive and global relationship with ThermoSafe regarding the use of PureTemp PCMs in life science shipping applications. PureTemp phase-change materials have allowed ThermoSafe to significantly expand its product and solution offerings for custom and ready-engineered solutions such as Envoy, Certis, Via, and pallet shipper product lines.
Arlington Heights, IL
Stasis Energy Group
Stasis Energy Group develops advanced thermal energy storage solutions that integrate high-performance phase change materials supplied by PureTemp into commercial HVAC systems to improve energy efficiency, reduce peak electricity demand, and lower operating costs. By shifting cooling load to off-peak hours, Stasis helps buildings cut greenhouse gas emissions while supporting a cleaner, more resilient energy grid.
Rancho Cucamonga, CA
Glacier Tek
Glacier Tek offers a wide range of body cooling products powered by PureTemp phase change materials. The company has more than 20 years of experience in PCM containment. Glacier Tek’s first product, the Original Cool Vest, was among the earliest self-contained cooling vests on the market. Since then, Glacier Tek has developed a unique expertise in the encapsulation and packaging of renewable PCMs and expanded its reach into large-scale thermal energy storage.
Minneapolis, MN