At high voltage, the local increase of the electric field at the sharp edges should be avoided. By using conductive tape, quality is improved and the process is simplified, as the same process applied to standard tapes can be applied.
| Property | Value |
|---|---|
| Thermal Class | F (155 °C) |
| Thickness | 0.33 mm |
| Base weight | 550 g/m2 |
| Resin content | 26% |
| Curing Conditions | 3h @ 150 °C or 5h @ 135 °C or 14h @120 °C |
| Tensile Strength after Curing, at 20 °C | 2500 N/cm per layer |
| Tensile Strength after Curing, at 155 °C | 1800 N/cm per layer |
| Specific Surface Resistance after Curing | 5-25 kΩcm/cm |
| Specific Volume Resistance | 20-500 kΩcm |
Polyglas® is a range of high quality tapes impregnated with special polysterimide resins. After finishing the process, even compared to steel, they find improved features.
| Product | Dimensions | Application /Features | Oil Filled | Dry/Cast | Traction |
|---|---|---|---|---|---|
| Polyglas P30 | 6.5 to 50 mm width 100, 200 m length | Core leg support, Bandage | X | (X) | X |
| Polyglas P30 | 6.5 to 50 mm width 100, 200 m length | Core leg support, Bandage EN45545-2 approved | X | (X) | X |
| Polyglas P30 | 50 mm width 100, 200 m length | Electrical Shielding and Mechanical Banding of Core Columns | X |