Laminated sheets based on epoxy resins and woven glass cloth .

Laminate type

Composition

Operating temperature range, оС

Applications and distinguishing characteristics

Dimensions

EP GC 201

Woven glass cloth,

epoxy resins

from - 65 to + 155

Mechanical, electrical and electronic applications. Extremely high mechanical strength at moderate temperature. Very good stability of electrical properties in high humidity.

Sheets size:

(1040 х 2440) ±20 mm

(1020 х 1220) ±20 mm

Thickness:

EP GC 201 - 0,35-100 mm

EP GC 203 - 0,35-100 mm

EP GC 308 - 0,35-100 mm

EP GC 202 - 1,5-100 mm

EP GC 202

from - 65 to + 140

Similar to type EP GC 201. Low flammability.

EP GC 203
(G-11 - 155°C)

from - 65 to + 155

Similar to type EP GC 201. High mechanical strength at elevated temperature

EP GC 308
(G-11 - 180°C)

from - 65 to + 180

Similar to type EP GC 203, but with improved thermal endurance properties

PROPERTIES

IEC 60893-3-2

EP GC 201

EP GC 202

EP GC 203
(G-11 - 155°C)

EP GC 308
(G-11 - 180°C)

Property

Test method

Unit

Minimum
or
maximum

Values

Requirement

Typical

Requirement

Typical

Requirement

Typical

Requirement

Typical

Flexural strength

ISO 178

MPa

minimum

340

450

340

400

340*

460

340*

460

Charpy impact strength parallel to laminations

ISO 179-1

ISO 179-2

kJ/m2

minimum

33

80

33

80

33

80

33

80

Izod impact strength parallel to laminations

ISO 180

kJ/m2

minimum

34

80

34

80

34

80

35

80

Electrical strength at 90°C in oil perpendicular to laminations (Thickness =3,0 mm)

IEC 60243-1

kV/mm

 

minimum

10.2

16

10.2

16

10.2

16

10.2

16

Breakdown voltage at 90°C in oil parallel to laminations

IEC 60243-1

kV

minimum

35

40

35

40

35

40

35

40

Insulating resistance after immersion in water

IEC 60167

MΏ

minimum

5×104

7,5×105

5×104

1×105

5×104

5×105

5×104

5×105

Thermal endurance

IEC 60216-1

ISO 178

TI

minimum

-

-

-

-

-

-

180

180

Flammability

IEC 60695-11-10

Category

-

-

VO

VO

-

-

-

-

Water absorption (Thickness =1,5 mm)

ISO 62

mg

maximum

19

8,0

19

6,0

19

7

19

7

* Flexural strength measured at 150°C±3 K after 1h at 150°C±3 K not to be less than 50% of the specified value.

Listed in the table are informational. On this basis, claims for quality can not be justified.