Insulating Papers
Transformer Paper Board
Transformer paper board has good mechnical strength, higher dielectric strength, small shrinkage, good flatness, widely applied in transformers, capacitors and mutual inductors.
| Index | Unit | Value | |
| Thickness | mm | 1.0 - 4.0mm | |
| Size | mm | 1050 x 2030, 1350 x 2000 1000 x 2000, 2030 x 4200 |
|
| Density | g/cm3 | 1.1-1.35 | |
| Tensile strength | N/mm | 100-75 | |
| Moisture | % | 6 | |
| Ash | % | 1 | |
| Water extraction pH value | 6 ~ 9 | ||
| Water extraction conductivity | ms/m | 5 ~ 10 | |
| Dielectric strength | kV/mm | in oil 30 - 40 | |
| Elongation | MD TMD |
% | 3.0 4.0 |
| Shrinkage ≤ | MD TMD Vertical |
% | 0.5 0.7 5.0 |
| Standard | - | IEC641-3-1 | |
Angle ring
Can make according to drawing.
