No

Parameter                                                                    

Unit       

Specification

1

Density(at 20±2)

g/cm³

2.0

2

Water absorbtion rate (at20±2,24h)

%

0.05

3

Tensile strength

Mpa

1690

4

Bending strength

Mpa

1100

5

Dry penetration test

Min

50

6

Water difussion test(1%nacl,boiling for 100h 12kv/1min)

μA

<10

7

Shearing strength along laminals

Mpa

50

8

Volume resistivity(140,96h)

Ω.M

10¹⁰

9

DC withstand voltage(10min)

kV

50

10

Lightning surge withstand voltage(100kv,10mm)

times

5

11

Bending strength at heating conditions

Mpa/150

350

12

Stress corrosion (1 mol/1hno3,at 67% stress)

h

7200

13

Torsion strength

Mpa

800