Heat resistance rating: Class H
Wall thickness: ≥0.8mm
Diameter:10mm-1080mm
Length: 1000mm-3000mm
Color: Green
Support customized
If you are attractive to our products, please send us a message and we will contact you as soon as we receive it.
This product is made of fiber glass yarn impregnated with insulation glue, epoxy resin and other resins by certain proportion, and then it is rolled in wet method, dried and finally consolidated by baking. Its heat resistance level is up to class H and it also has excellent electrical and mechanical properties, chemical resistance (SF6), low dielectrical loss, no deformation or delamination. It is widely used as main insulator in dry- type transformers, load tap changers, electric reactors, lightning arrestors, SF6 inductors, etc.
| Number | Item | Unit | Value |
| 1 | Density | G/Cm3 | 1.95-2.1 |
| 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 |
| Product specification | 3520 | 380/380A | 3640/3641 | 355 | 356 | 3652 | 364 | 360 |
| PFCP22 | PFCC21/24 | EPGC21/22 | – | – | SIGC21 | BMIGC21 | EPCF52 | |
| Min Wall Thickness（mm) | 2.0 | 3.0 | ||||||
| Max Wall Thickness（mm) | 80 | 200 | 200 | 200 | 200 | 200 | 200 | – |
| Min Inside Diameter(mm) | 10 | 10 | 6 | 6 | 6 | 10 | 10 | 30 |
| Max Inside Diameter（mm) | 1200 | 600 | ||||||
| Length（mm) | 1000 | 1000/1200 | 1000-3000 | |||||
More length specifications can be customized as needed, please refer to the Epoxy Fiberglass Winding Tube mold table for details
Used in mechanical, electrical and electronic high insulation structure parts.
Used in high-performance electrical insulation requirements.
Chemical machine parts.
General machines parts and gear, generators, Pads, base, baffle.
Generator, transformer, fixture, inverter, motor
Electric insulation component.
1.Where is your factory?
Our factory is in Xuchang city, Henan province, China.
2.Can I visit your factory?
Of course, welcome to our factory.
3.Can you send me samples to test?
Yes, we offer free samples to customers and they just need to pay the freight.
4.Do you have any certificates for your products?
Yes, we have UL certificate, SGS, ISO 9001: 2008 etc.
5.What ’s your payment terms?
Usually our payment terms is 30% paid by T / T in advance and the balance paid before shipment. This is negotiable.
6.What ’s your delivery time?
It depends on the product and order quantity. Usually the delivery time is within 7-15 working days after getting deposit.
7.What ’s your main product?
We supply all kinds of insulation materials used in electrical field and most of them used in transformers and motors.
If you are interested in our products,, please send us a message and we will contact you as soon as we receive it. Email: info@ztaero.com whatsApp: +8616650273778
Time:07-05 2025
Time:07-03 2025
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