Properties

Conditions

Unit

Grade

EPGC201

EPGC202

EPGC203

EPGC204

EPGC205

Flexural strength
perpendicular to
laminations

≥

A

MPa

340

340

340

340

340

E-1/150T150

—

—

170

170

170

Impact Strength
parallel to
laminations(Charpy)

≥

A

kJ/m2

33

33

33

33

50

Dielectric strength
perpendicular to
laminations
(in 90±2°C
transformer oil,
1 mm in thickness)

≥

A

kV/mm

14.2

14.2

14.2

14.2

—

Breakdown voltage
parallel to
laminations
(in 90±2°C
transformer oil)

≥

A

kV

35

35

35

35

35

Insulation
Resistance after
immersion in water

≥

D-24/23

W

5.0×1010

5.0×1010

5.0×1010

5.0×1010

1.0×1010

Of trace electrical resistance index

≥

A

—

—

—

—

—

—

Thermal endurance

≥

—

—

—

—

—

—

—

Water absorption
(1.5mm in thickness)

≤

D-24/23

mg

19

19

19

19

—

Flammability

—

Class

—

FV0

—

FV0

—

Color

—

—

Green

Green/Natural

Natural

Reference standard

IEC60893-2003GB/T1303.4-2009