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Criticality of Chemical Compatibility in Liquid Cooling

Liquid cooling of electronics is being utilized in a wide range of applications and environments from high-performance computing, datacenters, 5G, EV fast charging, and medical equipment to lasers. The liquid cooling systems for these applications can be closed-loop, single-phase immersion, two-phase immersion or direct-to-chip cooling systems. Regardless, component material compatibility is critical to performance. Thinking holistically when specifying components is important as the fluid selected essentially “connects” all components and subcomponents in the wetted loop.

A variety of subsystems and components make up the architecture that is critical to the successful and reliable operation of any cooling system. Each system component has the potential for interaction with other component materials. Therefore, materials’ interactions and dependencies must be considered. Interestingly, system operating issues or red flags may manifest in highly engineered parts such as quick disconnects (QDs.) As avoiding leaks is so critical, understanding materials of construction and their potential interactions is paramount.

• Coolant options range from water, ethylene glycols, mineral oils to refrigerants and dielectrics – each with varying cost and toxicity
• Metal alloy components and sub components can pose risk per galvanic potential
• Polymers and elastomers are commonly used and offer many benefits but fluid compatibility is key to avoid leaching or structural and dimensional changes

Company Profile

CPC is a leading provider of quick disconnect couplings (QDs), fittings and connectors for liquid cooling of electronics. CPC connection solutions improve the overall functionality and design of the equipment and processes in which they are used. Special product features include precise hose barbs for superior grip, patented designs to avoid drips and an ergonomic, easy-to-use, push-button thumb latch for quick connecting and disconnecting. CPC’s purpose-built Everis® liquid cooling connecters are specified by leading manufacturers. Engineered for reliability, CPC Everis® quick disconnects are used in a variety of thermal management liquid cooling applications where security of sensitive electronics is a consideration including data centers, medical equipment, edge computing, lasers, 5G, and EV fast charging, among others. CPC innovates on the leading edge of what is possible and collaborates to develop the best solution for each customer.

Founded in St. Paul, Minnesota in 1978, CPC has more than 500 employees, operations in the U.S.A. (Minnesota), Germany and China, sales offices in ten countries, and more than 200 distributor partners around the globe. CPC is a Dover Company.

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