Rigid Materials
Filament Wound Fiber Glass Tube
Filament wound tube based on epoxy resin is a fiber reinforced composite material used for insulation construction parts such as bushings of high voltage electrical equipment and transformers etc.
- Diameters: 10mm – 200mm (special diameters can be discussed)
- Wall thickness: 2mm – 50mm (special thickness can be discussed).
- Max. length: 1500mm
| No. | Property | Unit | Standard |
|---|---|---|---|
| 1 | Operating temperature | °C | 130 |
| 2 | Dielectric strength | vpm | 380 |
| 3 | Dielectric constant | cycles/sec. | 51000 |
| 4 | Typical wind angle | degree from axis | 55 |
| 5 | Tensile strength | psi | 12500 |
| 6 | Compressive strength | psi | 24000 |
| 7 | Rockwell hardness | M | 105 |
Diameter Tolerance
| No. | Nominal diameter (mm) | Outside diameter tolerance (mm) | Inside diameter tolerance (mm) |
|---|---|---|---|
| 1 | 30 - 50 | ±0.2 | ±0.20 |
| 2 | 51 - 70 | ±0.25 | ±0.30 |
| 3 | 71 - 100 | ±0.30 | ±0.40 |
| 4 | 101 - 140 | ±0.50 | ±0.40 |
| 5 | 141 - 200 | ±0.50 | ±0.50 |
| 6 | 210 - 500 | ±0.80 | ±0.57 |
Length Tolerance
| No. | Nominal length (mm) | Tolerance (mm) |
|---|---|---|
| 1 | < 500 | ±1.00 |
| 2 | < 1000 | +5.0 / -0.00 |
| 3 | ≤ 2000 | +5.0 / -0.00 |