360 epoxy fiberglass filament winding tube is made of fiberglass yarn and insulating jelly like epoxy resin. Its insulation class is H class and widely used in the main insulator of H-class dry-type transformer.
360 epoxy fiberglass filament winding tube is tube-like laminated products, which is made of fiberglass yarn impregnated with insulating jelly with different resin ratios like epoxy resin.
Can be rolled, baked and cured under heat and hot pressing with good dielectric property and mechanical property, and higher thermal resistance property. The insulation class is H class.
360 epoxy fiberglass filament winding tube, produced by using fiberglass yarn as raw material, insulating jelly with different resin ratios like epoxy resin as additive, can be mass-produced with advanced production equipment and automatic production line.
This product has the advantages of reliable quality, smooth appearance, uniform color, neat cutting ends and small thickness tolerance with strict manufacturing technology.
ZTelec Group is equipped with advanced ventilation facilities and dust-removing equipment to keep the products dry and clean.
The mechanical and electrical properties of products are superior to the similar one of other companies.
Its quality is recognized by domestic and foreign large enterprises such as Lens Technology in China and Schneider Electric and sold overseas such as European and American areas.
It is widely used as the main insulator of H-class dry-type transformer, on-load tap changers, reactors, surge arresters, SF6 instrument transformer and other products.
Executive Standard：GB-T 23100-2008 IEC61212-2006
| Number | Item | Unit | Value |
| 1 | Density | g/cm3 | 1.85-2.0 |
| 2 |
Flexural Strength at Perpendicular Lamination （Under Normal） |
MPa | 400 |
| 3 | Axial Compressive Strength | MPa | ≥150 |
| 4 |
Breakdown Voltage at Parallel Lamination （Transformer Oil at 90℃） |
Kv | ≥40 |
| 5 |
Dielectric Strength at Perpendicular Lamination （Transformer Oil at 90℃, 1mm） |
KV/mm | ≥11.6 |
| 6 | Surface Voltage Resistance after Damp | kv | ≥12 |
| 7 | Insulation Resistance after Immersion | Ω | 1.0×103 |
| 8 | Dielectric Loss Factor（50Hz） | - | ≤0.05 |
| 9 | Water Absorption | % | ≤1 |
| 10 | Partial Discharge | PC | ≤5 |
| 11 | Thermal Index | - | 180 |
| Name | Unit | Value |
| Minimum Wall Thickness | mm | 3 |
| Minimum Bore Size | mm | 30 |
| Maximum Bore Size | mm | 600 |
| Length | mm | 1000-3000 |
If you are attractive to our products, please send us a message and we will contact you as soon as we receive it. Email: info@ztelecgroup.com Whatsapp: +8615716749170
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