NO

ITEM

UNIT

VALUE

1

DENSITY

g/cm3

1.70-1.90

2

MARTEN’S heat resistance (MIN)

C

200

3

FLEXURAL strength(MIN)

LW

CW

MPA

343

284

4

TENSILE strength (MIN)

LW

CW

MPA

294

216

5

BONDING strength (MIN)

N

5684

6

IMPACT  strength (MIN)

LW

CW

KJ/m2

147

98

7

SURFACE resistivity(MIN)

under normal condition

after impregnated in water

W

1.0X10¹³

1.0X10¹¹

8

VOLUME resistivity(MIN)

under normal condition

after impregnated in water

W

1.0X10¹¹

1.0X10¹¹

9

insulation resistance parallel to lamination(MIN)

under normal condition

after impregnated in water

W

1.0X10¹⁰

1.0X10⁸

10

DISSIPATION factor at 50 HZ(MAX)

0.050

11

BREAKDOWN strength prependicular to lamination)

in transformer oil at 90+/- C (MIN)

0.5 - 1.0mm

1.1-2.0mm

2.1-3.0mm

more than 3.0mm

KV/mm

22.0

20.0

18.0

18.0

12

BREAKDOWN strength parallel to lamination

in transformer oil at 90+/- 2C(MIN)

KV

30.0