Features:
High voltage electrical tape, mainly composed of polymer materials, with a layer of isolation film. In addition to its excellent tensile performance and adaptability to the needs of rapid wrapping, this insulation adhesive tape has stable insulation and moisture resistance, chemical corrosion resistance, and can form a seamless and tight insulation layer by self melting and bonding with the wrapped material, making it suitable for waterproof edge protection of cable grade joints.
Sizes:
25mm x 0.8mm x 5m
30mm x 0.8mm x 5m
25mm x 0.8mm x 9m
30mm x 0.8mm x 9m
Technical data:
|
Item |
Unit |
Technical requirement |
Result |
|
Color |
Black |
||
|
Tensile strength |
MPa |
≥1 |
5 |
|
Elongation |
% |
≥500 |
620 |
|
Dielectric strength |
MV/m |
≥20 |
30 |
|
20℃Volume resistivity |
Ω·cm |
≥1 x 1014 |
3 x 1014 |
|
Dielectric loss factor(50Hz, 20℃) |
≤0.05 |
0.006 |
|
|
Dielectric constant (50Hz, 20℃) |
≤5.0 |
2.7 |
|
|
Self adhesion(23℃,24h) |
No looseness |
No looseness |
|
|
Heat resistant stress cracking (130℃,1h) |
No cracks |
No cracks |
|
|
Heat resistance(100℃,168h) |
No looseness, deformation, falling, cracking, surface bubbles or other phenomena |
No looseness, deformation, falling, cracking, surface bubbles or other phenomena |
Usage:
Main insulation recovery for 600-35000 volt solid dielectric cables;
When making stress cones on solid dielectric cables up to 20000 volts, the main insulation should be used;
Restoration of protective sleeves for intermediate joints and terminals;
Moisture proof sealing during electrical connections;
Cable end sealing.
Stretch the tape to three-quarters of its original width during wrapping to ensure good shape and moisture resistance.
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