Epoxy Fiberglass Tube for Lightning Arrester
Epoxy Fiber Glass Tube is the main core of Lightning Arrester,Breaker and Mutual Inductor.
Physical and mechanical parameters of epoxy fiberglass tube
| Technical requirement | |||||
| Normal Diameter | Thickness | Length | Tolerance Allowed | ||
| inside diameter | outside diameter | Length | |||
| 3070 | 320 | 500 | ±0.3 | ±0.3 | ±1 |
| 70150 | 320 | 1000 | ±0.5 | ±0.5 | ±2 |
| 150550 | 10100 | 2800 | ±0.5 | ±0.2 | ±2 |
| Physical and mechanical parameters | Physical and mechanical parameters | ||||
| Index Name | Unit | Index | Index Name | Unit | Index |
| Density | g/cm3> | ≥1.80 | Density | g/cm3> | ≥1.80 |
| Water absorption | % | ≤0.15 | Water absorption | % | ≤0.15 |
| Intensity of curvature(circling direction) | Mpa | ≥400 | Intensity of curvature(circling direction) | Mpa | ≥400 |
| Intensity of compress | Mpa | ≥98 | Intensity of compress | Mpa | ≥98 |
| Voltage vitality on parallel layer at normal state for 5min | Kv | ≥25 | Voltage vitality on parallel layer at normal state for 5min | Kv | ≥25 |
| Voltage vitalityon vertical layer in the oil at 90 for 5min | MV/m | ≥12 | Voltage vitalityon vertical layer in the oil at 90 for 5min | MV/m | ≥12 |
Epoxy Fiberglass Tube for Lightning Arrester
