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MobilityElectrification

High heat resistance and high insulation thermosetting resin
improves functionality and reliability of electric power train.

Liquid Epoxy Resin SUMIMAC® ECR/ECH

Special material for insulation components.
Our ECR is suitable for insulation, IBGT module, Ignition-coil,  etc.

Required Characteristics and Key Technologies

High Tg and Low CTE Material - Excellent thermostability.
For high heat-resistant Power Modules and Automotive applications.

Features

Thermostability Epoxy Resin; High Tg, LowCTE

For SiC/GaN Power Modules smaller and lighter.

Features

Cast Molding Products for Power Modules; excellent insulation, heat dissipation, thermostablity and adhesion (Under development)

Liquid property

Item Condition
/Unit
Current products Newly
developed
products
ECR-2222K
/ECH-222G
ECR-1004
/ECH-4
Tg210℃
Mixing Ratio Epoxy/Hardner 100/100 100/100 100/100
Mixture Viscosity 60℃ (Pa・s) 0.5 0.5 1.5
Gel Time 150℃ (s) 300 300 400〜500

Cured product property

5 5
Item Condition
/Unit
Current products Newly
developed
products
ECR-2222K
/ECH-222G
ECR-1004
/ECH-4
Tg210℃
Curing condition 100℃/2h
+140℃/2h
100℃/2h
+140℃/2h
150℃/1h
+180℃/2h
Flexural Strength RT(MPa) 130 130 130
Flexural Modulus RT(GPa) 9 9 17
Dielectric Strength RT(kV/mm) 35 35 33
Tg TMA(℃) 125 140 210
α<Tg TMA(ppm) 40 40 15
Flammability UL94(3.2mmt) - - HB equiv.
Improved heat cycle and power cycle performance by High Tg and low CTE, especially using Tg210C product.
Above characteristic values are representative values, not guaranteed. The characteristics of the developed product are subject to change.
Applications
Ignition Coils
Power Modules

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