TRANSFORMER OIL DUCT STRIP

ITEM

TYPICAL VALUES

MATTER OF FACT

Thickness: mm

±4%

2.5%

Width: mm

6±0.05mm

6.0-6.3mm

Length

2000mm-5+10mm

2000-1+7mm

Apparent density: g/cm3

1.15-1.25

1.2-1.25

Moisture content ,﹪

＜6.0﹪

＜6.0﹪

PH water extract:

6.0 to 8.0

6.0 - 8.0

Ash content,﹪ maximum

0.6﹪

0.51

Tensile strength Mpa

Machine direction:

Cross machine direction:

≥115

≥90

≥115

≥90

Oil absorption

≥7.0%

10.9

Shrinkage rate% MD

CMD

Thickness D

≤0.5

≤0.7

≤5

0.44

0.53

3.7

Conductivity of aqueous extract

Ms/m

≤10.0

6-8

Dielectric breakdown:（Kv/mm ）

In Air

In Oil

13

35

14-16

≥35