Specification sheet of "Ultra High Power(UHP Grade)

1 TYPICAL PHYSICAL PROPERTIES (GRADE : UHP)

DIAMETER

mm

200-300

350-600

Bulk Density

gm/cc

1.66 - 1.76

1.65 - 1.75

Real Density

gm/cc

2.20 - 2.23

2.20 - 2.23

Specific Resistance

ohm-cm x 10 -4

5.0 - 7.0

5.0 - 6.0

Flexural Strength

kg / cm2

120 - 170

90 - 140

Young's Modulus

kg / cm2 x 105

1.000 - 1.400

0.800 - 1.200

Ash Content (Max.)

%

0.2

0.2

C.T.E.

x 10-7 /oC

3-8

3-8



2 CURRENT CARRYING CAPACITIES (GRADE : UHP)

NOMINAL DIAMETER

CURRENT CARRYING CAPACITIES

(mm)

(amps)

200

6500 - 11000

225

8000 - 15000

250

10000 - 17500

300

14000 - 24500

350

18000 - 32000

400

23000 - 40000

450

30000 - 51000

500

35000 - 60000

550

45000 - 70000

600

55000 - 82000