Electrical Kraft Paper/Cable Paper for Insulation
Features
1. Thickness: 0.05-0.25 or customized;
2. Size: Roll shape, width 10-1260mm;
3. 100% high-quality sulfate insulating wood pulp;
4. Heat resistant:A class(105 ℃);
5. Color:Brown or original;
6. Moisture resistant.
|
Test No. |
Item |
Unit |
Qualified Data |
Test Data |
|
|
1 |
Tightness |
g/cm³ |
0.90 ± 0.05 |
0.92 |
|
|
2 |
Tensile Strength |
Vertical |
kN/m |
≥ 11.0 |
11.3 |
|
2 |
|
Horizontal |
kN/m |
≥ 5.2 |
5.28 |
|
3 |
Elongation |
Vertical |
% |
≥ 2.0 |
2.1 |
|
3 |
|
Horizontal |
% |
≥ 5.4 |
5.5 |
|
4 |
Tear Strength(horizontal) |
mN |
≥ 1020 |
1212 |
|
|
5 |
Conductivity of Water Extract |
mS/m |
≤ 8.0 |
4.2 |
|
|
6 |
Breakdown Voltage |
kV/mm |
≥ 8.0 |
8 |
|
|
7 |
Dissipation Factor |
- |
≤ 0.5 |
0.38 |
|
|
8 |
pH of Water Extract |
- |
6.5 – 8.5 |
7.5 |
|
|
9 |
Ash Content |
% |
≤ 0.7 |
0.26 |
|
|
10 |
Moisture Content |
% |
6.0 – 8.0 |
7.5 |
|
Application:
Used as a base insulation material and is impregnated with insulating oil during service. It can be used on Mutual inductor(Oil-immersed CT、Oil-immersed VT / PT、CT + VT、),Transformer, reactor, electromagnetic wire production, high-voltage porcelain, electrical equipment.
A perfect low-voltage grade insulating paper well suited for making electromagnetic wires, power cables of transformers below 35kV and other electrical equipment below 35kV mentioned above.
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