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Electrolube Develops Resin to Protect Stator in E-Vehicles

Electrolube has introduced a resin solution to protect the stator for a new generation of electric vehicles.

Electrolibe The project brief required a high-performance resin material to electrically isolate the coil-ends of the stator with the ability to consistently withstand permanent contact with refrigerants.

Electrolube conducted a series of resin tests with various test specimens performing under permanent contact with a mixture of different fluids, which included oil and cooling fluid, at temperatures up to +175°C for 168 hours.

In this particular application, Electrolube’s ER2223 resin was selected due to its excellent protection against different kinds of oil and cooling fluids widely used in today’s automotive sector.

ER2223 is a highly chemically resistant epoxy potting compound that has been specifically formulated to meet the harsh operating conditions of under-hood applications in the automotive industry. It is chemically resistant to most fluids found in the engine compartment of vehicles or other mechanical applications, thereby offering superb protection to electronic components.

With an exceptionally wide operating temperature range of -40°C to +180°C, ER2223 also exhibits good resistance to thermal cycling, making it ideally suited to applications found in engine compartments.

Its low viscosity allows for easy potting of the smallest or tightly packaged components and it provides excellent adhesion to a wide range of substrates. The ER2223 resin cures in an hour at 100°C, in 4 hours at 60°C and within 24 hours at room temperature.

Overall, the ER2223 black epoxy resin has proven to be a very successful solution to fully optimize the performance of the stator in next-generation electric vehicles. Electrolube is delighted to have provided such a reliable solution that guards against chemicals so consistently well.

The increased sophistication of EV electronic systems often means they are more sensitive to contamination and adverse external environmental conditions. Moreover, as automotive electronic systems rely increasingly on their interconnection, failure in one assembly can compromise the operation of another.

Unlike aerospace applications where two or three layers of redundancy may be built into these systems, automotive designs typically must work the first time, every time, throughout the life of the product.


Aishwarya Saxena

A book geek, with creative mind, an electronics degree, and zealous for writing.Creativity is the one thing in her opinion which drove her to enter into editing field. Allured towards south Indian cuisine and culture, love to discover new cultures and their customs. Relishes in discovering new music genres.

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