3640 epoxy tube transformer insulation tube
3640 epoxy tube transformer insulation tube
- Light weight (25% steel, 70% aluminium).
- High strength
- It can be very durable in corrosive environments.
- Not easily deformed, scratched or ruptured
- Suitable for transparent radome and radio sleeve.
- Suitable for electrical and thermal insulation.
- Heat resistant grades are F (150 degrees), H (180 degrees), C (220 degrees), 250 degrees or more
- Flame retardant (UL94:V0.V1)
- Waterproof
- You can choose colors (light green is the natural color, other colors can be customized).
Table 1, unit (mm)
Nominal internal | Min Wall-thickness | Bore tolerance | Wall-thickness Wall-thickness |
6~30 | 3.6 | c0.30 | ±0.30 |
30~80 | 4.0 | ±0.40 | ±0.40 |
80~150 | 5.0 | ±0.50 | ±0.50 |
Nominal length and tolerance are shown in Table 2
Table 2, unit (mm)
Nominal length | Tolerance |
900 | ±5 |
490 | ±2 |
320 | ±1 |
Physical, mechanical, and dielectric properties are shown in Table 3
Table 3, unit (mm)
Number | Index name | Unit | Index |
One | Specific gravity, no less than |
| 1.40 |
Two
| Bending strength, no less than | Kgf/cm2 | 1800 |
Three | Tensile strength | Kgf/cm2 | 700 |
Four | Shear strength | Kgf/cm2 | 150 |
Five | Volume resistivity, no less than | Ω · cm |
|
Normal time |
| 1012 | |
After soaking |
| 1010 | |
Six | Parallel layer to layer insulation resistance, no less than | Ω |
|
Normal time |
| 1010 | |
After soaking |
| 107 | |
Seven | Tangent of dielectric loss angle at frequency 50Hz, no higher than |
| 0.030 |
Eight | Vertical layer to withstand voltage, at 90 + 2 degrees Celsius transformer oil, pressure 5 minutes | Kv |
|
Wall-thickness1.5mm |
| 12 | |
Wall-thickness2.0mm |
| 14 | |
Wall-thickness2.5mm |
| 16 | |
Wall-thickness3.0mm |
| 18 |
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