Contraction tape
Contraction tape
The heat-shrinkable tape is woven from special high-shrinkage polyester fiber yarn, which has certain chemical resistance and insulation performance. Used as lashing insulation material for transformers, motors and electrical appliances.
technical parameter
|
Number |
Index name |
UNIT |
Index Value |
|
1 |
Number of segments per roll |
|
Each tape is allowed to consist of two sections, and each section is not less than 5m in length. |
|
2 |
broken line limit |
|
There should be no single break of more than 200mm and double break of more than 30mm. |
|
3 |
Stains/spot |
|
Should be free of oil and rust |
|
4 |
Hole |
|
should be no joints of warp and weft or more than 3 holes in parallel |
|
5 |
Shrinkage |
% |
≥35 |
|
6 |
Tensile Strength |
N/10mm |
≥200 |
|
7 |
Volume resistivity |
Ω·m |
≥3×107 |
|
8 |
Power frequency dielectric strength |
|
There should be no breakdown and flashover at 50Hz 1KV 1min |