Heat resistance rating: Class E
Wall thickness: ≥2mm
Density: 1.2-1.3 g/cm3
Color: Brown
Size: d≤Ф50 Ф50-100 d≥Ф100 d≤Ф50 2mm Ф50-100 d≥Ф100 customize
If you are attractive to our products, please send us a message and we will contact you as soon as we receive it.
phenolic cotton cloth tube is tube-like laminated products, which is made of special cotton cloth impregnated with phenolic resin, and then rolled, baked and cured under heat and hot pressing.
It has excellent radial tensile strength, good mechanical strength and low water absorption. The insulation class is E class and the main color is coffee.
phenolic cotton cloth tube, produced by Xujue Electrical using phenolic resin as raw material, can be mass-produced with advanced production equipment and automatic production line.
This product has the advantages of reliable quality, uniform color and neat cutting ends with strict manufacturing technology.
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.
Executive Standard：JB-T3172-1999(3520) GB-T5132-2009 IEC61212-2006
| Number | Item | Unit | Value |
| 1 | Density | g/cm3 | 1.2-1.3 |
| 2 | Flexural Strength at Perpendicular Lamination （Under Normal） |
MPa | ≥138 |
| 3 | Axial Compressive Strength | MPa | ≥118 |
| 4 | Dielectric Strength at Perpendicular Lamination （Transformer Oil at 90℃） |
KV/mm | ≥3.5 |
| （Wall Thickness:3.0mm, Bore Size:20mm） | |||
| 5 | Water Absorption (3mm) | % | ≤5 |
| 6 | Thermal Index | – | 120 |
| Name | Unit | Value |
| Minimum Wall Thickness | mm | 2 |
| Maximum Wall Thickness | mm | 200 |
| Minimum Bore Size | mm | 10 |
| Maximum Bore Size | mm | 1200 |
| Length | mm | 1000 |
Xujue Electrical is a professional manufacturer of phenolic cotton cloth tubes, which can be customized according to your needs
XUJUE ELECTRICAL is a professional manufacturer of high-quality electrical insulation materials, integrating the research and development, production and sales of electrical and electrical insulation materials. It has more than 65 years of manufacturing experience. The production capacity and market share of insulation materials are ranked top three in the industry, and special insulation materials are ranked first. Products are exported to Europe, America, Southeast Asia and other countries and regions.
If you need to know more about phenolic resin sheets and other insulation materials product information and quotations, please contact us, we can mail you samples for your testing
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 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:09-09 2025
Time:08-19 2025
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