3241 Semiconductor Epoxy Glass Cloth sheet is a laminated product made of alkali-free glass cloth for electrical use impregnated with carbon black epoxy phenolic resin through hot pressing.
If you are attractive to our products, please send us a message and we will contact you as soon as we receive it.
3241 Semiconductor Epoxy Glass Cloth sheet is a laminated product made of alkali-free glass cloth for electrical use impregnated with carbon black epoxy phenolic resin through hot pressing. It has the properties of a semiconductor.
3241 semiconductor glass cloth sheet is suitable for anti-corona materials between slots of large motors, and can be used as non-metallic wear-resistant structural parts materials at high and low altitudes.It can also be used to support the structure of large motor rotors and stator rings
| Basic Information | chinese name | 3241 | |
| IEC | – | ||
| NEMA | – | ||
| Substrate | Glass fiber cloth | ||
| Resin | Epoxy | ||
| Color | black | ||
| Serial number | Detection item | unit | |
| 1 | density | g/m³ | 1.75～1.90 |
| 2 | Vertical layer bending strength (normal) | MPa | ≥300 |
| 3 | Parallel layer impact strength (simple beam method) | KJ/m2 | ≥50 |
| 4 | Vertical layer electrical strength (90 ° C transformer oil) (1 mm thick) | Kv/mm | ≥8.0 |
| 5 | Parallel layer breakdown voltage (90 ° C transformer oil) | kv | ≥35 |
| 6 | Dielectric constant (50Hz) | – | |
| 7 | Dielectric loss factor (50Hz) | – | |
| 8 | Insulation resistance after immersion | Ω | ≥1.0*108 |
| 9 | Resistance to Trace Index (PTI) | – | – |
| 10 | Flammability | – | HB40 |
| 11 | Temperature index | – | 155 |
| 12 | Water absorption 1 (1-20mm thick) | mg | 64-193 |
Package & Storage: Wrapped with packaging film and packed in pallet; horizontally placed in dry and clean room at room temperature; keep it away from moisture and fire. The storage period is 12 months.
1Pre-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?
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 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 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
Time:05-28 2025
Time:05-19 2025
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