Power Electronics are critical components of all electrified vehicles. Encapsulation technology can substantially improve the performance, efficiency and cost of these devices. Huntsman offers casting and impregnating resin systems for inverters, converters, electronic control units, wire harnesses, connectors, sensors and switches.
Huntsman offers a wide range of heat-conductive potting materials under our trusted ARALDITE® brand for all the electronic parts in the electrified powertrain. ARALDITE® potting resins assure mechanical and electrical protection of sensitive devices subjected to challenging environmental conditions and avoid flame propagation in case of short-circuit.
Glass transition temperature (Tg):
210°C
Thermal conductivity:
0.7 W/(m.K)
Suitable for:
Superior flow and gap filling capabilities enabling fast processing times. High Tg enabling low thermal expansion within the complete operation range. Very high thermal and chemical endurance (Class N).
Glass transition temperature (Tg):
200°C
Thermal conductivity:
0.95 W/(m.K)
Suitable for:
Highest modulus and strength between -40°C and + 180°C. Very good intra-coil impregnation. Developed for rotor potting with improved heat dissipation.
Glass transition temperature (Tg):
140°C
Thermal conductivity:
0.7 W/(m.K)
Suitable for:
Fast fill and cure times enabling fast processing. Low coefficient of thermal expansion (28·10-6 1/K). Flammability certification UL 94 V-0 (6.0 mm) and thermal endurance (Class H).
Glass transition temperature (Tg):
75°C
Thermal conductivity:
0.9 W/(m.K)
Suitable for:
Good heat conductivity and thermal endurance (Class H). Flammability certification UL 94 V-0 (3.0 mm) and HB (1.5 mm).
Glass transition temperature (Tg):
-50°C
Thermal conductivity:
1.8 W/(m.K)
Suitable for:
Polyurethane, flame retardant and halogen free systems for processing and curing at room temperature. High flexibility and low modulus, improving battery crash-safety within the entire operation range. Good adhesion to new substrates, enabling battery cells fixation and thermal management.
Our long-lasting, reliably-sealing solutions offer high flexibility and crack resistance, optimized thermal conductivity, excellent thermal endurance and improved chemical stability. They are ready for high-voltage applications (800 V) in the next generation of electric vehicles.
Huntsman offers a wide range of epoxy-based and polyurethane resins. All are fast-curing even at low temperatures, which improves production throughput and delivers cost savings.
Our chemists have long-standing expertise in developing advanced resins and hardeners. This enables us to stay current with ever more complex requirements in automotive electronics. Research and development activities are aimed at meeting the challenges of today and tomorrow.
Battery Electronics
We offer casting and impregnating resin systems for batteries and improve battery efficiency, safety, and production cost.
View Battery ElectronicsStator for E-Motor
We offer heat-conductive encapsulants for electric motors, all of which meet the highest temperature endurance requirements of car manufacturers.
View Stator for E-MotorRotor for E-Motor
Our secondary insulation materials guarantee a strong and durable fixing of rotor coils, even when operating under high rotation speeds and challenging peak temperatures.
View Rotor for E-MotorPower Electronics
Our encapsulation technology can substantially improve the performance and cost of power electronics devices and is ready for next-generation high-voltage applications.
View Power ElectronicsIgnition Coil
We produce epoxy systems specially designed to insulate high-voltage coil components, thus reducing transformer and inductor hot spots and extending reliability and lifespan.
View Ignition Coil
Discover our ARALDITE® encapsulants for electric motors, battery and power electronics.
Encapsulants for power electronics must exhibit good thermal conductivity and meet flammability certifications such as UL 94. Short cure times translate to faster processing.
ARALDITE® CW 1302 resin / ARADUR® HY 1300 hardener features good heat conductivity and thermal endurance. ARALDITE® CW 1195 resin / ARADUR® HW 1196 hardener offers fast fill and cure times to enable fast processing, as well as a low coefficient of thermal expansion.
Optimize electric vehicle performance and extend driving range with ARATHANE® thermally conductive adhesives. Newer generation EVs require high-power batteries, and ARATHANE® thermally conductive adhesives provide mechanical fixation and thermal connection, enabling effective management of the heat coming from the cells over the battery's lifetime.
