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Electrical Insulating Flexible Crepe Paper Tube
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Description
Made of electrical grade insulation crepe kraft paper.
Features:
1.Standard length is 1000mm, 1500mm, 1800mm, 2000mm.
2.Different inner diameter and outer diameter can be offered by customers’ requirement.
Advantage:
They can be bent under extreme conditions without collapsing.
Application:
1. Used as sleeves for interconnection of terminals.
2.Used in the oil-type transformers with higher rate of absorption of oil to ensure higher dielectric strength compared to conventional SRBP tubes.
Technical data for crepe tube
|
ITEM |
TYPICAL VALUES |
RESULT |
|
| Thickness: mm
（crepe paper single layer） |
0.35±0.05 0.45±0.05 |
0.334 (0.337,0.332,0.332) |
0.447 (0.452,0.448,0.442) |
| Length : mm |
±20mm |
1005-1015 |
1005-1015 |
| Inner diameter: |
±5% |
+（0-4）% |
+（0-4）% |
| Outer diameter: |
±5% |
+（0-4）% |
+（0-4）% |
| Apparent density: g/cm3（Base paper） |
0.75 to 0.85 |
0.82 |
0.79 |
| Moisture content ,﹪ |
6.0 to 10.0﹪ |
7.1 |
6.8 |
| PH water extract: |
6.0 to 8.0 |
7.5 |
7.5 |
| Ash content,﹪ maximum |
1﹪ |
0.43 |
0.43 |
| Tensile strength, MD
CMD |
＞1.3KN/M ＞1.96KN/M |
1.56KN/M 1.90KN/M |
2.13KN/M 2.83KN/M |
| Crepe rate % |
＞ 50% |
62% |
73% |
| Conductivity of aqueous extract:
(Base paper)Ms/m |
≤8.0 |
4.05 |
4.05 |
| Dielectric breakdown: crepe paper
（volts/single layer, dry test） |
1000 |
1250 (1250,1250,1250) |
1477 (1400,1550,1480) |
