Epoxy coating powder SUMILITERESIN® ECP

ECP is coating powder for insulation based on epoxy resin.
It has high reliability, workability, good Electric properties.

Advantage

Excellent T/C, Robustness & Heat resistance.

Applications

For Bus bar
For Motor
For Electronic parts
Properties of cured material
item Condition·Unit ECP-380 ECP-401 standard powder
feature ― Heat-cycle resistance
Thermostability		 Strech/toughness
Adhesiveness with Cu		 Standard grade
Curing condition temperature × time 160 ℃ × 40min. 180 ℃ × 30min. 160 ℃ × 40min.
Tg TMA method·℃ 135 125 115
Coefficient of
linear thermal expansion		 TMA method·ppm 28 47 32
Flexural strength room temperature·Mpa 120 78 95
Bent deflection room temperature·mm 3.5 12 3.0
Shear tensile strength Cu·room temperature·Mpa 13 20 13
Flame Resistance UL94 ― Equivalent V-0
(t=3mm)		 ―
Dielectric breakdown voltage room temperature·kV/mm 40 26 32
Heat-cycle resistance -40 ℃ ⇔150 ℃
t=0.5mm
Coated TP(Cu)		 2500 cycles ― 500 cycles

These are representative values, not specification.

Heat-cycle resistance
Flexural test