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