METALGUARD® E-5500

WEBA Technology offers finished low-conductivity coolants for customers who do not have access to low-conductivity deionized water and/or ethylene glycol. Glycol and glycol/water-based low-conductivity coolants not only provide efficient heat transfer and insulation they can also provide freeze protection depending on the dilution of the solution.

In the computer data storage center market, an emphasis has been placed on converting mineral-oil-based immersion fluids that insulate and cool the computer chips directly, to more heat transfer efficient, and low-conductivity inhibited glycol/water fluids. The growth in AI (artificial intelligence) and cryptocurrency mining, both requiring massive data storage and memory space, have dramatically increased the need for high-speed data processing computer servers for information storage and data calculation. METALGUARD® E-5500 can be used in these applications.

Additionally, E-5500 coolant meets ASTM D8565 which is the specification for hydrogen fuel cell coolant which has a requirement of finished coolant with ≤5 µS/cm (microsiemens/cm) in the finished product. E-5500 coolant maintains a stable, low-conductivity over long periods of time through its proprietary formulation of non-ionic corrosion inhibitors. This mechanism is essential to maintain safe operation of battery-powered vehicles in which the coolant directly contacts the battery parts, and other equipment and systems that require low-conductivity fluids.

Inhibited METALGUARD® E-5500 coolant protects aluminum, copper, brass, stainless steel, and titanium, It is compatible with most elastomers and other materials including silicon rubber, Viton, EPDM and graphite. It is not compatible with carbon steel, cast iron, or zinc/galvanized steel.

The E-5500 coolant is ready-to-use. Any non-tested deionized water for top-off, or even standard virgin glycol, may increase conductivity and reduce corrosion protection. Conventional antifreeze/coolant should never be added to E-5500, and low-conductivity coolant should never be used in internal combustion engine cooling systems. Additionally, no dye or colorant, of any type, should be added to E-5500 coolant. Even a small quantity of such ionic solutions will cause a dramatic increase in the fluid’s electrical conductivity.

Specifications

• ASTM D8566 for electric vehicles
• ASTM D8565 for fuel cell vehicles