Base Material:Epoxy resin + Fiber glass
Color:Green/yellow/red/black/white
Thickness:0.1mm – 300mm
Regular size:1020x1220mm,1020x2040mm,1220x2440mm;
Density 1.97g/cm3 – 2.2 g/cm3
If you are attractive to our products, please send us a message and we will contact you as soon as we receive it.
3250 Epoxy Fiberglass Sheet is a laminated product made of chemically treated electrical alkali-free glass fiber cloth as the base material and high Tg epoxy resin as the adhesive through hot pressing. It has high mechanical strength at high temperature and good electrical performance stability under high humidity. It is a H-class heat-resistant insulation material.
3250 Epoxy Fiberglass Sheet is suitable for various large-scale generator sets, high-voltage electrical appliances, rail transportation, electronic communications and other fields.
NO. | ITEM | UNIT | INDEX VALUE | |||
1 | Density | g/cm³ | 1.8-2.0 | |||
2 | Water absorption Rate | % | ≤0.5 | |||
3 | Vertical bending strength | Normal | Lengthway | MPa | ≥450 | |
Horizontal | ≥380 | |||||
180±5℃ | Lengthway | ≥250 | ||||
Horizontal | ≥190 | |||||
4 | Impact strength (charpy type) | No gap | Lengthway | KJ/m² | ≥180 | |
Horizontal | ≥137 | |||||
5 | Compression strength | Lengthway | MPa | ≥500 | ||
Horizontal | ≥250 | |||||
6 | Tensile strength | Lengthway | MPa | ≥320 | ||
Horizontal | ≥300 | |||||
7 | Vertical electric strength (in oil of 90℃±2℃) |
1mm | KV/mm | ≥17.0 | ||
2mm | ≥14.9 | |||||
3mm | ≥13.8 | |||||
8 | Parallel breakdown voltage(1 min in oil of 90℃±2℃) | KV | ≥40 | |||
9 | Dielectric dissiption factor(50Hz) | – | ≤0.04 | |||
10 | Parrallel Insulation Resistance | Normal | Ω | ≥1.0×1012 | ||
After soaking for 24hours | ≥1.0×1010 |
1.Pre-sales service
We offer 1V1 personal service and our professionals will provide you with technical guidance and free samples.
2. After sales service
Our staff will communicate with you on a regular basis and any insulation issues can be consulted in a timely manner.
3. Product Service
We offer product size customization and product processing services.
1. Is ZTELEC a manufacturer of 3250 Epoxy Fiberglass Sheet?
A: ZTELEC is a Chinese manufacturer of insulating materials and was founded in 1958.
2. Do you support custom?
A: We can customize the products according to customer needs and support the processing parts.
3. Is the sample of 3250 Epoxy Fiberglass Sheet free?
A: Our samples are free, but require the customer to bear the shipping costs.
4. Is there a spot?
A: Our warehouse maintains stocks of 3250 Epoxy Fiberglass Sheet throughout the year and some sizes can be shipped within a week.
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