3640 Epoxy Phenolic Glass Fiber Cloth Laminated Tube
Product Description
3640 Epoxy Phenolic Glass Fiber Cloth Laminated Tube is a high-grade, heavy-duty electrical insulation component manufactured from alkali-free glass fiber cloth impregnated with a specialized epoxy phenolic resin binder. Engineered for extreme operating conditions, it delivers exceptional mechanical strength and unparalleled electrical stability, even when exposed to high-humidity environments.
This premium composite tube is specifically designed to withstand high-temperature electric arcs, making it an excellent choice for protective partitioning and insulating structures in high-performance motors and heavy electrical machinery.
1, Structure (composition): alkali-free glass fiber cloth for electrical engineering, epoxy phenolic resin;
2, Performance (summary): high mechanical strength and good electrical stability in high humidity environment;
3, Application (purpose): used as the partition board of the electrical parts of the motor under the action of high temperature arc, and can also be used in the place with higher temperature;
4, Minimum inner diameter ɸ10; maximum outer diameter ɸ800; minimum wall thickness: 2mm;
|
No. |
Indicator |
Unit |
Index value |
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|
1 |
Density |
g/cm3 |
≥1.40 |
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|
2 |
Bending strength |
Mpa |
≥160 |
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|
3 |
Compression strength |
Mpa |
≥50.0 |
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|
4 |
Shearing strength |
Mpa |
≥12 |
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|
5 |
Volume resistivity |
Normal state |
Ω.m |
≥1.0 x 1010 |
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|
After 24 hours of immersion |
≥1.0 x 108 |
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|
6 |
Insulation resistance |
Normal state |
Ω |
≥1.0 x 1010 |
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|
After 24 hours of immersion |
≥1.0 x 107 |
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|
7 |
Dielectric loss factor 50Hz |
|
≤0.030 |
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|
8 |
Vertical layer withstand voltage (90°C±2°C / 5min in transformer oil) |
Wall thickness |
|
kV |
Inner diameter 6~25mm |
Inner diameter ≥ 26mm |
|
1.5mm |
7 |
12 |
||||
|
2.0mm |
10 |
14 |
||||
|
2.5mm |
13 |
16 |
||||
|
3.0mm |
15 |
18 |
||||
|
9 |
Parallel layer withstand voltage (20°C ±5°C / 5min in transformer oil) |
kV |
25 |
|||
|
10 |
Surface withstand voltage (5min in normal air 24 hours after exposure to moisture) |
kV |
12 |
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